WO2016095992A1 - Orientation de trafic entre un réseau local sans fil domestique et un réseau cellulaire par andsf - Google Patents

Orientation de trafic entre un réseau local sans fil domestique et un réseau cellulaire par andsf Download PDF

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Publication number
WO2016095992A1
WO2016095992A1 PCT/EP2014/078273 EP2014078273W WO2016095992A1 WO 2016095992 A1 WO2016095992 A1 WO 2016095992A1 EP 2014078273 W EP2014078273 W EP 2014078273W WO 2016095992 A1 WO2016095992 A1 WO 2016095992A1
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WIPO (PCT)
Prior art keywords
network
access
policy
communication
steering
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PCT/EP2014/078273
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English (en)
Inventor
Jari Pekka MUSTAJÄRVI
Gyorgy Tamas Wolfner
Janne Petteri Tervonen
Gabor Ungvari
Anders Jan Olof KÅLL
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Nokia Solutions And Networks Oy
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Priority to PCT/EP2014/078273 priority Critical patent/WO2016095992A1/fr
Publication of WO2016095992A1 publication Critical patent/WO2016095992A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection

Definitions

  • the present invention relates to apparatuses, methods, systems, computer programs, computer program products and computer-readable media usable for controlling a communication wherein traffic steering is conducted.
  • ANDSF access network detection and selection function
  • ANQP access network query protocol
  • APN access point name
  • BS base station
  • CPU central processing unit
  • IARP inter-APN routing policy
  • IFOM IP flow mobility
  • IP Internet protocol
  • ISMP inter-system mobility policy
  • ISRP inter-system routing policy
  • LTE-A LTE Advanced
  • MNC mobile network code
  • PDN packet data network
  • PLMN public land mobile network
  • RAN radio access network
  • VNF virtual network function
  • WLAN wireless local area network
  • Embodiments of the present invention are related to a communication system in which a procedure can be implemented for steering data traffic via different communication networks in a communication between the networks and a communication element, such as a UE.
  • an apparatus comprising at least one processing circuitry, and at least one memory for storing instructions to be executed by the processing circuitry, wherein the at least one memory and the instructions are configured to, with the at least one processing circuitry, cause the apparatus at least: to prepare policy information related to traffic steering of data traffic, the policy information including an indication of preference of at least one specific network access over other network accesses for steering at least a part of the data traffic, wherein the at least one preferred specific network access is to be used as preferred target for steering a matching part of the data traffic and is related to a home wireless local area network of a service provider providing an active routing policy including the policy information, and to provide the policy information to a communication element being connected.
  • a method comprising preparing policy information related to traffic steering of data traffic, the policy information including an indication of preference of at least one specific network access over other network accesses for steering at least a part of the data traffic, wherein the at least one preferred specific network access is to be used as preferred target for steering a matching part of the data traffic and is related to a home wireless local area network of a service provider providing an active routing policy including the policy information, and providing the policy information to a communication element being connected.
  • these examples may include one or more of the following features:
  • the policy information may include a plurality of network access included in a list forming the indication of preference of the specific network accesses;
  • the indication of preference of at least one specific network access may indicate at least one the home wireless local area network of a service provider providing an active routing policy, a partner wireless local area network of a provider having a partnership with a provider of the home wireless local area network, and a cellular mobile communication access network, wherein an order of the specific network accesses may represent an order of preference;
  • the policy information may be prepared in the form of a management object of an access network detection and selection function, wherein the indication may be defined in or may represent a subnode of a routing policy node of the management object;
  • the indication may be included in a flow distribution container related to one of a for-flow-based traffic steering policy, a for-service-based traffic steering policy and a non-seamless wireless local area network offload traffic steering policy;
  • the indication may be included as at least one of a validity condition in a routing criteria node, and at least one value defining an access technology in a routing rules node;
  • the above processings may be implemented in a communication network control element configured to act as an access network detection and selection function server of the home network of the subscriber of the communication element or of a network being visited by the communication element, wherein the communication element may include at least one of a terminal device or user equipment;
  • an apparatus comprising at least one processing circuitry, and at least one memory for storing instructions to be executed by the processing circuitry, wherein the at least one memory and the instructions are configured to, with the at least one processing circuitry, cause the apparatus at least: to obtain policy information related to traffic steering of data traffic, the policy information including an indication of preference of at least one specific network access over other network accesses for steering at least a part of the data traffic, wherein the at least one preferred specific network access is to be used as preferred target for steering a matching part of the data traffic and is related to a home wireless local area network of a service provider providing an active routing policy including the policy information, and to execute a communication control considering the policy information, wherein the communication control comprises detecting that the specific network access related to the home wireless local area network of the service provider providing the active routing policy is to be preferred for at least a part of a current data traffic, determining, on the basis of the detection result, whether the preferred specific network access is available and can be
  • a method comprising obtaining policy information related to traffic steering of data traffic, the policy information including an indication of preference of at least one specific network access over other network accesses for steering at least a part of the data traffic, wherein the at least one preferred specific network access is to be used as preferred target for steering a matching part of the data traffic and is related to a home wireless local area network of a service provider providing an active routing policy including the policy information, and executing a communication control considering the policy information, wherein the communication control comprises detecting that the specific network access related to the home wireless local area network of the service provider providing the active routing policy is to be preferred for at least a part of a current data traffic, determining, on the basis of the detection result, whether the preferred specific network access is available and can be used for communication, and in case the preferred specific network access is available, steering a matching part of the data traffic via the preferred specific network access.
  • these examples may include one or more of the following features:
  • the communication control may further comprise in case the preferred specific network access is not available for communication, steering the data traffic via another network access;
  • the policy information may include a plurality of network accesses included in a list forming the indication of preference of the specific network access, wherein the other network access may be part of the list;
  • the indication of preference of at least one specific network access over other network accesses may indicate at least one of the home wireless local area network of a service provider providing an active routing policy, a partner wireless local area network of a provider having a partnership with a provider of the home wireless local area network, and a cellular mobile communication access network, wherein an order of the specific network accesses may represent an order of preference;
  • the policy information may be obtained in the form of a management object of an access network detection and selection function, wherein the indication may be defined in or may represent a subnode of a routing policy node of the management object;
  • the indication may be included in a flow distribution container related to one of a for-flow-based traffic steering policy, a for-service-based traffic steering policy and a non-seamless wireless local area network offload traffic steering policy;
  • the indication may be included as at least one of a validity condition in a routing criteria node, and at least one value defining an access technology in a routing rules node;
  • the above processing may be implemented in a communication element including at least one of a terminal device or user equipment, wherein the policy information is obtained from a communication network control element configured to act as an access network detection and selection function server of the home network of the subscriber of the communication element or of a network being visited by the communication element.
  • a communication network control element configured to act as an access network detection and selection function server of the home network of the subscriber of the communication element or of a network being visited by the communication element.
  • a computer program product for a computer including software code portions for performing the steps of the above defined methods, when said product is run on the computer.
  • the computer program product may include a computer-readable medium on which said software code portions are stored.
  • the computer program product may be directly loadable into the internal memory of the computer and/or transmittable via a network by means of at least one of upload, download and push procedures.
  • Fig. 1 shows a diagram illustrating a general architecture of a communication system where some examples of embodiments are implementable
  • Fig. 2 shows a signaling diagram illustrating a data exchange between network elements according to some examples of embodiments
  • Fig. 3 shows a diagram illustrating a management object structure for managing a communication control according to some examples of embodiments
  • Fig. 4 shows a diagram illustrating a management object structure for managing a communication control according to some examples of embodiments
  • Fig. 5 shows a diagram illustrating a management object structure for managing a communication control according to some examples of embodiments
  • Fig. 6 shows a diagram illustrating a management object structure for managing a communication control according to some examples of embodiments
  • Fig. 7 shows a diagram illustrating a management object structure for managing a communication control according to some examples of embodiments
  • Fig. 8 shows a diagram illustrating a table of values included in a management object structure for managing a communication control according to some examples of embodiments
  • Fig. 9 shows a diagram illustrating a management object structure for managing a communication control according to some examples of embodiments.
  • Fig. 10 shows a flow chart of a processing conducted in a communication network control element or function according to some examples of embodiments
  • Fig. 1 1 shows a flow chart of a processing conducted in a communication element or function according to some examples of embodiments
  • Fig. 12 shows a diagram of a network element acting as a communication network control element or function according to some examples of embodiments
  • Fig. 13 shows a diagram of a network element acting as a communication element or function according to some examples of embodiments.
  • communication networks e.g. of wire based communication networks, such as the Integrated Services Digital Network (ISDN), DSL, or wireless communication networks, such as the cdma2000 (code division multiple access) system, cellular 3rd generation (3G) like the Universal Mobile Telecommunications System (UMTS), fourth generation (4G) communication networks or enhanced communication networks based e.g. on LTE or LTE-A, fifth generation (5G) communication networks, cellular 2nd generation (2G) communication networks like the Global System for Mobile communications (GSM), the General Packet Radio
  • GPRS Global System
  • EDGE Enhanced Data Rates for Global Evolution
  • WLAN Wireless Local Area Network
  • WiMAX Worldwide Interoperability for Microwave Access
  • 3GPP 3rd Generation Partnership Project
  • Telecoms & Internet converged Services & Protocols for Advanced Networks TISPAN
  • ITU International Telecommunication Union
  • 3GPP2 3rd Generation Partnership Project 2
  • IETF Internet Engineering Task Force
  • IEEE Institutee of Electrical and Electronics Engineers
  • WiMAX Forum the like are working on standards or specifications for telecommunication network and access environments.
  • Embodiments as well as principles described below are applicable in connection with any communication element or terminal device, network element, relay node, server, node, corresponding component, and/or to any communication system or any combination of different communication systems that support required functionalities.
  • the communication systems may be any one or any combination of a fixed communication system, a wireless communication system or a communication system utilizing both fixed networks and wireless networks.
  • a radio access architecture based on 3GPP standards, such as a third generation or fourth generation (like LTE or LTE-A) communication network, and one or more wireless local area networks (WLAN), without restricting the embodiments to such architectures, however.
  • a radio access architecture based on 3GPP standards, such as a third generation or fourth generation (like LTE or LTE-A) communication network, and one or more wireless local area networks (WLAN), without restricting the embodiments to such architectures, however.
  • WLAN wireless local area networks
  • WiFi worldwide interoperability for microwave access
  • WiMAX Bluetooth®
  • PCS personal communications services
  • ZigBee® wideband code division multiple access
  • WCDMA wideband code division multiple access
  • UWB ultra- wideband
  • a basic system architecture of a communication system may include an architecture of one or more communication networks including a wired or wireless access network subsystem and a core network.
  • Such an architecture may include one or more communication network control elements, access network elements, radio access network elements, access service network gateways or base transceiver stations, such as a base station (BS), an access point (AP) or an eNB, which control a respective coverage area or cell(s) and with which one or more communication elements, user devices or terminal devices, such as a UE, or another device having a similar function, such as a modem chipset, a chip, a module etc., which can also be part of an element, function or application capable of conducting a communication, such as a UE, an element or function usable in a machine-to-machine communication architecture, or attached as a separate element to such an element, function or application capable of conducting a communication, or the like, are capable to communicate via one or more channels for transmitting several types of data.
  • core network elements such as a base
  • a communication network may also be able to communicate with other networks, such as a public switched telephone network or the Internet.
  • the communication network may also be able to support the usage of cloud services. It should be appreciated that network elements of an access system, of a core network etc., and/or respective functionalities may be implemented by using any node, host, server, access node or entity etc. being suitable for such a usage.
  • network elements such as communication elements, like a UE, access network elements, communication network control elements, like an
  • nodes or network elements may include several means, modules, units, components, etc. (not shown) which are required for control, processing and/or communication/signaling functionality.
  • Such means, modules, units and components may include, for example, one or more processors or processor units including one or more processing portions for executing instructions and/or programs and/or for processing data, storage or memory units or means for storing instructions, programs and/or data, for serving as a work area of the processor or processing portion and the like (e.g.
  • ROM read only memory
  • RAM read only memory
  • EEPROM electrically erasable programmable read only memory
  • input or interface means for inputting data and instructions by software e.g. floppy disc, CD-ROM, EEPROM, and the like
  • a user interface for providing monitor and manipulation possibilities to a user e.g. a screen, a keyboard and the like
  • other interface or means for establishing links and/or connections under the control of the processor unit or portion e.g. wired and wireless interface means, radio interface means including e.g. an antenna unit or the like, means for forming a radio communication part etc.
  • respective means forming an interface, such as a radio communication part can be also located on a remote site (e.g. a radio head or a radio station etc.).
  • processing portions should not be only considered to represent physical portions of one or more processors, but may also be considered as a logical division of the referred processing tasks performed by one or more processors. It should be appreciated that according to some examples, a so-called “liquid” or flexible network concept may be employed where the operations and functionalities of a communication network control element, network function, or of another entity of the communication network, may be performed in different entities or functions, such as in a node, host or server, in a flexible manner. In other words, a "division of labor" between involved network elements, functions or entities may vary case by case.
  • cellular wireless or mobile communication systems such as 3GPP based networks using standardized mobile wireless access technologies such as LTE and 3g coexist with other wireless communication systems, such as WLAN mobile wireless access based on IEEE standard 802.1 1 or the like.
  • a plurality of terminal devices such as UEs ort he like are equipped with a plurality of different wireless (radio) interfaces and are able to communicate for example, via 3GPP RAT, WLAN radio interface, or the like .
  • Network operators are interested to increase quality and quantity of communications using their networks. On possibility to achieve this is, for example, to use additional access technology, e.g. of unlicensed spectrum, so as to increase capacity and coverage to their current network, e.g. of a 3GPP based network.
  • additional access technology e.g. of unlicensed spectrum
  • 3GPP based network e.g. of a 3GPP based network.
  • corresponding measures are demanded also by users/subscribers since they expect proper service all the time and at any place. Therefore, solutions are to be provided how operators are able to implement and control access to other networks such as Wi-Fi based or the like, for their purposes.
  • an access network discovery and selection function which is an entity within a packet core network (e.g. EPC) of a 3GPP based network.
  • the purpose of mechanisms such as ANDSF is to assist the UE to discover e.g. non- 3GPP based access networks - such as Wi-Fi, WiMAX etc., so as be used for data communications in addition to 3GPP access networks.
  • non- 3GPP based access networks such as Wi-Fi, WiMAX etc.
  • WLAN usage by users on 3GPP operator domain can be controlled.
  • rules for policing the connection to these networks are provided. That is, for example, a 3GPP operator provides a function for guiding through discovery and selection process of access networks, for example, ANDSF guidance to corresponding (e.g. ANDSF capable) UEs, and the UEs can implement network selection, e.g. WLAN selection, based on ANDSF network selection rules.
  • information are provided which are used for controlling traffic steering at the UE, e.g. for deciding which access network among e.g. 3GPP and WLAN networks is to be used, which may be also based on ANDSF policies.
  • rules policies
  • some bulk data could be provided via WLAN while sensitive data is delivered via 3GPP.
  • other parameters can be considered, such as network coverage and service availability, and also operator value proposition can be considered, e.g. what networks are most efficient for the user or what are cheapest for the operator.
  • a variety of information can be provided by a mechanism such as ANDSF to a UE.
  • network selections rules for a UE with no more than one active access network connection e.g., either LTE or Wi-Fi
  • network selection rules for a UE with potentially more than one active access network connection e.g., both LTE and Wi-Fi
  • such a UE may employ IP flow mobility, multiple-access PDN connectivity or non-seamless Wi-Fi offload according to operator policy and/or user/operator preferences.
  • discovery information can be provided, such as a list of networks that may be available in the vicinity of the UE and information assisting the UE to expedite the connection to these networks
  • FIG. 1 a diagram illustrating a general architecture of a communication system is shown where some examples of embodiments are implementable. It is to be noted that the structure indicated in Fig. 1 shows only those devices, network elements and links which are useful for understanding principles underlying some examples of embodiments of the invention. As also known by those skilled in the art there may be several other network elements or devices involved in a communication in the communication system which are omitted here for the sake of simplicity.
  • a communication network which forms a general basis of the example of a communication system according to some examples of embodiments.
  • a (wireless) communication network based for example on a 3GPP specification is provided.
  • at least one additional communication network using another access technology, such as a WLAN is present in the communication area.
  • a communication element such as a Wi-Fi element
  • UE e.g. of a subscriber which represents one terminal point of a communication, i.e. from which UL data packets are transmitted and to which DL data packets are sent.
  • Reference sign 20 denotes a communication network control element, such as a server or the like, which provides an access network discovery and selection functionality, such as an ANDSF server, and to which the UE 10 is connectable for exchanging data.
  • the ANDSF server 20 may be part of a home network of the subscriber of UE 10, i.e. a home (H-) ANDSF server, or part of a network being visited by the UE 10, in which case it is referred to as a visited (V-)ANDSF server.
  • Rules or policies may be provided by both types of ANDSF server to the UE 10, wherein in case rules or policies of both types are available, specific settings for prioritizing one of them (e.g.
  • the H-ANDSF server 20 may be provided, e.g. statically set in the UE or by dynamic provisioning of corresponding settings.
  • the UE 10 is capable of communicating with a plurality of network types, such as a 3GPP based network represented by a cell 2000 (see dashed line in Fig. 1 ) and a Wi-Fi based network, such as a home WLAN 2100 or another WLAN 2200.
  • a communication connection with at least one corresponding access node or base station, such as an AP, a router, an eNB etc. is established, e.g. by procedures which are known to those skilled in the art and thus not discussed in further detail.
  • WLAN networks can be present: for example, so- called residential, venue, enterprise, community, municipal, commercial etc. WLANs are implemented.
  • network operators such as 3GPP network operators, may deploy their own WLAN networks (also referred to as home WLAN) and provide their customers access to the network. If e.g. the 3GPP operator manages his own WLAN network then the operator has a better possibility to control quality etc. Furthermore, as soon as the home WLAN is installed, costs can be controlled.
  • the term "home WLAN” is to be understood as representing an access network, such as a wireless local area network, which is provided or operated by a communication network operator from which active policies are received. That is, when a policy provider, e.g. via an ANDSF server, provides the rules to be followed by the UE in the communication control/traffic steering (i.e. active rules), the communication network which is considered by the policy provider as its home network is the network operating/providing the home WLAN.
  • the "home WLAN” is the WLAN of the PLMN providing the active policy rules (e.g. ISRP rules).
  • the network is the home PLMN or a visited PLMN, wherein the policy provider is then e.g.
  • the home WLAN is of the home PLMN e.g. when the UE/subscriber is roaming to a visited PLMN, in case the UE shall follow rules of the home PLMN while roaming.
  • the home WLAN is the WLAN of the visited PLMN, for example.
  • home WLAN can be seen as a service provider (i.e. policy provider) operated WLAN.
  • a home WLAN As an alternative to a home WLAN, it is possible to establish a partnership with other existing WLAN players so as to form a so-called partner WLAN, for example for limiting costs for installation.
  • partner WLAN i.e. non-service provider operated networks or other WLAN
  • Fig. 2 shows a signaling diagram illustrating a procedure for exchanging data, such as rules or policies, between the UE 10 and the ANDSF server 20.
  • a connection between the ANDSF server 20 and the UE 10 is established.
  • a corresponding connection can be established via a 3GPP access connection or a trusted/non-trusted non-3GPP IP access or via any Internet access.
  • the ANDSF server 20 V-ANDSF server and/or H-ANDSF server
  • traffic steering policies and the like are sent to the UE 10 in order to enable the UE 10 to make decisions regarding which access network can be/is to be used for (part of) data traffic and how the data traffic is to be steered.
  • the provision of information in S20 may be initiated, for example, by the ANDSF server 20, or in reply to a request for corresponding information from the UE 10 (which is indicated in S15), for example in the case that the UE 10 intends to conduct a discover operation for neighboring access networks with the assistance of the network.
  • the UE 10 uses the received information related to rules and policies regarding the usage of other networks to the UE 10 for deciding which access network is to be selected for data traffic and how the data traffic is to be steered. For example, the UE 10 selects the most preferable available access network for inter-system mobility based on the inter-system mobility policies and user preferences. A corresponding communication control is then conducted for transmitting the data traffic via the selected access networks.
  • the UE 10 can be provided with requested information or information being different to requested ANDSF information during the same ANDSF session.
  • ANDSF For selecting an access network for data traffic, ANDSF or the like enables a UE to choose any available network, including at least one of a cellular network (e.g. GPP access network), a home network (e.g. home WLAN) or another equivalent network over 3 rd party networks (e.g. partner WLAN network).
  • a cellular network e.g. GPP access network
  • a home network e.g. home WLAN
  • 3 rd party networks e.g. partner WLAN network
  • applications running on the UE 10 may not be aware of this. That is, without further measures, when it decides which network interface is to be used for traffic (i.e. an application) (traffic steering), the UE 10 only chooses between connected WLAN and 3GPP interfaces. That is, considering an approach like ANDSF, an access network (e.g. a specific type thereof like WiFi network, 3GPP network, WCDMA network) is selected (connected to) by a device like the UE and then traffic steering is done by using any of the connected
  • a control mechanism is provided by means of which it is possible that, for example for specific flows or parts of data traffic, one or more specific access networks are considered in traffic steering. That is, for example in case a network operator prefers that certain (kind of) traffic is communicated e.g. only via home WLAN networks over 3GPP network and not partner (or other) WLAN networks (globally or in specific locations), e.g. due to business, security or technical reasons, a control procedure is implemented according to examples of embodiments allowing an accurate control leading to a proper use of such networks. For example, according to some examples of embodiments, it is possible to choose between a home WLAN network or a partner WLAN network or 3GPP specific radio accesses (LTE, WCDMA, etc.) for specific traffic by using ANDSF traffic steering policies.
  • an access network discovery and selection mechanism such as ANDSF
  • ANDSF is used to control traffic routing in a UE in an improved manner, so that it is possible to consider, for steering or routing certain traffic of flows, a specific network access, such as a home WLAN network or the like which is operated by a 'home' operator of the active (ANDSF) policy provider or by some partner.
  • a specific network access such as a home WLAN network or the like which is operated by a 'home' operator of the active (ANDSF) policy provider or by some partner.
  • an operator A provides traffic steering policies, e.g. by means of ANDSF policies, for the UE
  • WLAN networks indicated as belonging to operator A e.g. in a domain name ANQP
  • network access In the following the term “network access”, “access network type”, “wireless local area network” etc. are used for defining one or more communication technologies, methods or elements by means of which a communication element like a UE is able to communicate with another party or network, wherein different communication technologies are applicable.
  • information provided by e.g. the ANDSF server allows identifying of the home WLAN as a target for traffic steering decision.
  • traffic steering can be done in an improved manner separated from any generic WLAN, so that steering preference like Lhome WLAN, 2.LTE, 3. other WLANs, 4. WCDMA or the like can be considered.
  • information like traffic steering policies is used to indicate a list of prioritized network accesses.
  • the prioritized network accesses comprises home WLAN or the like, as defined above, and one of the selected network accesses is the home WLAN (i.e. it is available and can be used), traffic steering is conducted so as to use the home WLAN. Otherwise, in case home WLAN is not available, different network accesses being less or equally prioritized like the home WLAN network in the traffic steering policy (information) are considered correspondingly.
  • One example control procedure may thus include, for example, that a UE selects (at least one) WLAN network being available, wherein here one or both of a home or partner or other WLAN network can be selected. Based on the operator policy, it is possible to actually set e.g. for specific traffic (application, flow or the like) whether a cellular (e.g. 3GPP type) network is to be chosen in a traffic steering procedure in favor of e.g. partner Wi-Fi networks or home Wi-Fi network.
  • a cellular (e.g. 3GPP type) network is to be chosen in a traffic steering procedure in favor of e.g. partner Wi-Fi networks or home Wi-Fi network.
  • specific traffic can be assigned either to home WLAN, partner WLAN or some 3GPP access network, wherein an operator may defined a correspondent preference order in the rules or policies. That is, after a WLAN network selection, it is checked what WLAN network was selected; depending on whether the selected WLAN is the home WLAN or another WLAN (e.g. partner WLAN), traffic steering is decided in a manner as defined in a corresponding rule being active. Consequently, traffic can be routed differently, for example by indicating that 3GPP bearer is preferred before partner WLAN, or the like.
  • ANDSF is presented, for example, as an OMA DM managed object (MO) which is, for example, an XML object and consists of relevant parameters for intersystem mobility policy- and access network discovery information that can be managed by the ANDSF.
  • MO OMA DM managed object
  • the ANDSF server 20 communicates with the UE 10 over a reference point in order to synchronize of the OMA DM MO specific to the ANDSF.
  • Fig. 3 shows a diagram illustrating a management object structure for managing a communication control according to some examples of embodiments.
  • the ANDSF MO 300 comprises several leaves and nodes used to manage, for example, inter-system mobility policy 310, a node indicating a UE location 320, inter-system routing policy (ISRP) 330 and inter-APN routing policy (IARP) 340.
  • ISRP inter-system routing policy
  • IARP inter-APN routing policy
  • the ANDSF MO 300 may comprise additional nodes or rules which are omitted here for the sake of illustration, for example, rule selection information, access network discovery information, home operator preference policy and the like.
  • the policy node 310 i.e. ISMP
  • the UE location node 320 is used to indicate the position of the UE (updated e.g.
  • the ISRP node 330 is used to indicate how to distribute traffic among available accesses when the UE is capable to connect to the EPC through multiple accesses (i.e. the UE is configured for a for flow based control, a for service based control, a non-seamless WLAN offload or any combination thereof).
  • the IARP node 340 is used to indicate which traffic should be routed across different PDN connections and which traffic should be non-seamlessly offloaded to WLAN. It is to be noted that in the following an empty node indicates a node which is present in the ANDSF MO with no internal node or leaf object(s) being present therein.
  • instances of the respective rules which may consists of one or more flow distribution containers, are e.g. ⁇ X>/ISRP/ ⁇ X> (for ISRP), ⁇ X>/IARP/ ⁇ X> (for IARP), etc., wherein a flow distribution container may denotes a node ⁇ X>/ISRP/ ⁇ X>/ForFlowBased etc.
  • the ANDSF MO 300 may define validity areas, position of the UE and availability of access networks in terms of geographical coordinates (e.g. GPS based coordinates).
  • each of the nodes depicted in Fig. 3 may have a set of one or more rules (or subnodes).
  • the rule being applied is referred to as the 'active' rule.
  • the rules have a number of validity conditions (e.g. current access technology and location) where one or more may be present and set to a value.
  • the rules also have a number of results (e.g. preferred access technology and restricted access technology) to be used whenever a rule is 'active'.
  • Fig. 4 indicates further details of the ISRP node 330 which comprises a set of one or more ISRP rules (it is to be noted that Fig. 4 shows only a subset of possible examples of rules/nodes which can be part of ISRP node 330).
  • Reference sign 331 indicates an address element ( ⁇ X>) to be added for obtaining the respective further instances (see above).
  • ISRP rules contain an indication on traffic distribution for UEs that are configured for IFOM, MAPCON or non-seamless WLAN offload. That is, node 332 ,for flow based' (IFOM service), node 333 ,for service based' (MAPCON) and node 334 ,for non- seamless offload' (for non-seamless WLAN offload) are contained.
  • the node 332 (for flow based) is used, for example, to steer traffic between WLAN and 3GPP nodes.
  • the node 333 (for service based) is used, for example, to distribute traffic between WLAN and 3GPP nodes based on APN.
  • the node 333 (for non-seamless offload) is used, for example, to guide traffic (e.g. directly to the Internet) from the WLAN without routing the traffic to any EPC interface.
  • the ISRP rule 330 may have a PLMN leaf and an optional Roaming leaf for determining if an ISRP rule is valid, for example.
  • the 'active' ISRP rule For example, at any point in time, there is at most one ISRP rule used for routing (referred to as the 'active' ISRP rule). There can be multiple valid ISRP rules at the same time.
  • a UE evaluates only the supported flow distribution containers of the 'active' ISRP rule.
  • a flow distribution container can have one or more flow distribution rules.
  • node 333 it is possible to classify traffic for APN by using instructions provided under rules indicated in IARP node 334, which is illustrated in Fig. 5.
  • the IARP node 340 comprises a set of one or more IARP rules (it is to be noted that Fig. 5 shows only a subset of possible examples of rules/nodes which can be part of IARP node 340).
  • Reference sign 341 indicates an address element
  • the IARP rules contain an indication on traffic distribution for UEs that selects an APN associated with an existing PDN connection or non-seamless WLAN offload for routing the traffic matching specific IP flows. That is, node 342 ,for inter APN routing' (IFOM service), and node 343 (similar to node 334) ,for non-seamless offload' (for non- seamless WLAN offload) are contained. Furthermore, the IARP rule 340 may have a PLMN leaf and an optional Roaming leaf for determining if an IARP rule is valid, for example.
  • IARP rule For example, at any point in time, there is at most one IARP rule used for routing (referred to as the 'active' IARP rule). There can be multiple valid IARP rules at the same time. As described above, by using rules like those indicated the nodes 332 (for flow based),
  • Fig. 6 shows a diagram illustrating further details of the MO structure for managing a communication control according to some examples of embodiments. Specifically, Fig. 6 shows details regarding the 'for flow based' node 332.
  • the flow distribution container of the 'for flow based' node 332 comprises a set of one or more flow distribution rules (it is to be noted that Fig. 6 shows only a subset of possible examples of rules/nodes which can be part of node 332).
  • Reference signs 332a, 332c, 332e, 332j indicate an address element ( ⁇ X>) to be added for obtaining the respective instances (see above).
  • Node 332b indicates the flow description for a particular flow distribution rule.
  • a flow distribution rule as depicted in the example of Fig. 6 has a validity condition defined by the routing criteria node 332d.
  • the validity of the flow distribution rule takes into account, for example, Validity Area 332f, Time Of Day 332g, RAN Validity Condition 332h and corresponding references (not shown).
  • each existing non-empty node has to match in order to make the rule valid.
  • a flow distribution rule without any validity conditions is considered valid, i.e. validity condition is fulfilled.
  • a flow distribution rule may be applied only if the validity condition is fulfilled and if the flow distribution rule is contained by the 'active' rule.
  • the flow distribution rule has a number of results (e.g. preferred access technology or restricted access technology) defined in the routing rule node 332i to be used whenever the flow distribution rule is applied.
  • results e.g. preferred access technology or restricted access technology
  • Each flow distribution rule has also a mandatory node identifying the data traffic (e.g. based on IP flow description of the sent traffic) to which the results contained in routing rule node 332i apply.
  • the routing rule node 332i defines traffic steering decision for matching traffic.
  • a prioritized list of preferred access technology nodes 332k is provided.
  • the access technology type comprises values being related to the home WLAN network and/or the partner WLAN network.
  • a value 'HomeWLAN' and/or a value 'PartnerWLAN' is included into the access technology type list 332k.
  • a communication device such as the UE is configured to recognize home operated WLAN networks (home WLAN), for example, on the basis of a domain name ANQP element that the Wi-Fi network will provide to the UE on request (e.g. as defined in Wi-Fi Alliance Hotspot2 Technical Specification).
  • the UE is configured to create a home domain name from an identifier, e.g. the PLMN identifier of a policy rule, such as an ISRP rule, which the UE is following (i.e. an active ISRP rule or the like).
  • a formula like 'wlan.mnc ⁇ MNC>.mcc ⁇ MCC>.3gppnetwork.org' is used.
  • a PLMN identifier consists of MCC and MNC components. If a MNC length is 2 digits, then MNC may be prepended with additional ⁇ ' digit to comply with a ⁇ MNC> rule which has to have 3 digits. MCC is always 3 digits.
  • the home domain name being created in this way is compared to domain names received from the WLAN network. In case the home domain name is present (suffix match) in any of the received domain names, then the UE is in home WLAN network.
  • information related to policies may include fields for identifying other home domain suffixes.
  • the home domain name may refer to a visited PLMN or to a home PLMN, which depends, for example, on the fact whose rules (e.g. ANDSF ISRP rule) is active.
  • a corresponding structure is also usable in connection with the 'for service based' node 333.
  • Fig. 7 shows a diagram illustrating further details of the MO structure for managing a communication control according to some examples of embodiments. Specifically, Fig. 7 shows details regarding the 'for service based' node 333. As shown in Fig. 7, the flow distribution container of the 'for service based' node 333 comprises a set of one or more flow distribution rules (it is to be noted that Fig. 7 shows only a subset of possible examples of rules/nodes which can be part of node 333). Reference signs 333a, 333c, 332h indicate an address element ( ⁇ X>) to be added for obtaining the respective instances (see above).
  • the APN leaf indicates the APN for which a particular flow distribution rule is valid.
  • a flow distribution rule as depicted in the example of Fig. 7 has a validity condition defined by the routing criteria node 333b.
  • the validity of the flow distribution rule takes into account, for example, Validity Area 333d, Time Of Day 333e, RAN Validity Condition 333f and corresponding references (not shown).
  • the flow distribution rule of Fig. 7 has a number of results (e.g. preferred access technology or restricted access technology) defined in the routing rule node 333g to be used whenever the flow distribution rule is applied.
  • results e.g. preferred access technology or restricted access technology
  • Each flow distribution rule has also a mandatory node identifying the data traffic (e.g. based on APN associated with the sent traffic) to which the results contained in routing rule node 333g apply.
  • rule priority In addition to conditions, results and IP flow description, there is a rule priority that shall be set for each flow distribution rule.
  • the rule priority is encoded in rule priority leaf, and it enables the UE to determine which flow distribution rule, out of potentially several matching flow distribution rules, of the 'active' ISRP rule, it should apply to an IP flow matching the data traffic description of the multiple flow distribution rules.
  • the routing rule node 333g defines traffic steering decision for matching traffic. Specifically, according to examples of embodiments, a prioritized list of preferred access technology nodes 333i is provided.
  • the access technology type comprises values being related to the home WLAN network and/or the partner WLAN network.
  • a value 'HomeWLAN' and/or a value 'PartnerWLAN' is included into the access technology type list 333i.
  • a recognition of a home operated WLAN network by the UE may be executed as described above in connection with Fig. 6, for example.
  • Fig. 8 shows a diagram illustrating a table of values included in the MO structure for managing a communication control according to some examples of embodiments. Specifically, Fig. 8 shows an example of a list related of an access technology type 332k or 333i described above.
  • a value 1 indicates as the access technology type to be used for traffic steering a 3GPP access.
  • a value 3 indicates as the access technology type to be used for traffic steering an
  • a value 4 indicates as the access technology type to be used for traffic steering an (arbitrary) WiMAX access.
  • a value 5 indicates as the access technology type to be used for traffic steering a specific type of WLAN access, for example a home WLAN access.
  • a value 6 indicates as the access technology type to be used for traffic steering another (specific) WLAN access, for example a partner WLAN access.
  • Values 0, 2 and 7 to 255 are, for example, reserved values.
  • Fig. 9 shows a diagram illustrating further details of the MO structure for managing a communication control according to some examples of embodiments. Specifically, Fig.
  • the flow distribution container of the 'for non-seamless offload' node 334 (or 343) comprises a set of one or more flow distribution rules (it is to be noted that Fig. 9 shows only a subset of possible examples of rules/nodes which can be part of node 334).
  • Reference signs 334a, 334c, 334e, 334k indicate an address element ( ⁇ X>) to be added for obtaining the respective instances (see above).
  • Node 334b indicates the flow description for a particular flow distribution rule.
  • a flow distribution rule as depicted in the example of Fig. 9 has a validity condition defined by the routing criteria node 334d.
  • the validity of the flow distribution rule takes into account, for example, Validity Area 334g, Time Of Day 334h, RAN Validity Condition 334i and corresponding references (not shown).
  • a further validity condition is added. For example, a node 334f 'Home WLAN' is included under the routing criteria node 334d.
  • the node 334f may not have any value; that is, the presence of the node 334f in the policies provided to the UE 10 is an indication that non-seamless offloading is executed only when selected WLAN is home WLAN, for example.
  • the flow distribution rule has a number of results (e.g. preferred access technology or restricted access technology) defined in the routing rule node 334j to be used whenever the flow distribution rule is applied.
  • results e.g. preferred access technology or restricted access technology
  • Each flow distribution rule has also a mandatory node identifying the data traffic (e.g. based on APN associated with the sent traffic or IP flow description of the sent traffic) to which the results contained in routing rule node 334j apply.
  • a rule priority that shall be set for each flow distribution rule.
  • the rule priority is encoded in rule priority leaf, and it enables the UE to determine which flow distribution rule, out of potentially several matching flow distribution rules shall be applied to an IP flow matching the data traffic description of the multiple flow distribution rules.
  • the routing rule 334j is set to be in line with e.g. routing rule nodes
  • Fig. 10 shows a flow chart of a processing conducted in a communication network control element, such as an ANDSF server, according to some examples of embodiments.
  • a communication network control element such as an ANDSF server
  • the example according to Fig. 10 is related to a control procedure conducted by a communication network control element, function or node acting as a Home or Visited ANDSF server 20 (or 25) in the communication network as depicted e.g. in Fig. 1 .
  • policy information related to traffic steering of data traffic from a communication element like UE 10 is prepared, wherein the policy information includes an indication of preference of at least one specific network access over other network accesses for steering at least a part of the data traffic, wherein the at least one preferred specific network access is to be used as preferred target for steering a matching part of the data traffic and is related to a home wireless local area network of a service provider providing an active routing policy including the policy information (such as a home WLAN of a PLMN providing active traffic routing rules, such as ISRP rule).
  • the policy information includes a plurality of network access included in a list forming the indication of preference of the specific network accesses.
  • the indication of preference of at least one specific network access indicates at least one the home wireless local area network of a service provider providing an active routing policy, a partner wireless local area network of a provider having a partnership with a provider of the home wireless local area network, and a cellular mobile communication access network (such as a 3GPP network), wherein an order of the specific network accesses represents an order of preference
  • the policy information is prepared in the form of a management object (MO) of an access network detection and selection function (e.g. ANDSF), wherein the indication is defined in or represents a subnode of a routing policy node of the management object.
  • MO management object
  • ANDSF access network detection and selection function
  • the indication is included in a flow distribution container related to one of a for-flow-based traffic steering policy, a for-service-based traffic steering policy and a non-seamless wireless local area network offload traffic steering policy.
  • the indication is included as at least one of a validity condition in a routing criteria node, and at least one value defining an access technology in a routing rules node.
  • the policy information is provided to a communication element (e.g. UE 10) being connected.
  • a communication element e.g. UE
  • Fig. 1 1 shows a flow chart of a processing conducted in a communication element, such as UE 10, according to some examples of embodiments.
  • the example according to Fig. 1 1 is related to a control procedure conducted by the communication element, function or node acting as the UE 10 in the communication network as depicted e.g. in Fig. 1 . ln S200, policy information related to traffic steering of data traffic is obtained and processed.
  • the policy information includes an indication of preference of at least one specific network access over other network accesses for steering at least a part of the data traffic.
  • the at least one preferred specific network access is to be used as preferred target for steering a matching part of the data traffic and is related to a home wireless local area network of a service provider providing an active routing policy including the policy information (such as a home WLAN of a PLMN providing active traffic routing rules, such as ISRP rule).
  • the indication of preference of at least one specific network access over other network accesses indicates at least one of the home WLAN of a service provider providing an active routing policy, a partner wireless local area network of a provider having a partnership with a provider of the home WLAN, and a cellular mobile communication access network (such as a 3GPP based network), wherein an order of the specific network accesses represents an order of preference.
  • the policy information is obtained in the form of a management object (MO) of an access network detection and selection function (e.g. ANDSF), wherein the indication is defined in or represents a subnode of a routing policy node of the management object.
  • MO management object
  • ANDSF access network detection and selection function
  • the indication is included in a flow distribution container related to one of a for-flow-based traffic steering policy, a for- service-based traffic steering policy and a non-seamless wireless local area network offload traffic steering policy.
  • the indication is included as at least one of a validity condition in a routing criteria node, and at least one value defining an access technology in a routing rules node.
  • a communication control considering the policy information is conducted for data communication.
  • the communication control comprises detecting that the specific network access related to the home WLAN of the service provider providing the active routing policy is to be preferred for at least a part of a current data traffic (i.e.
  • an application or data traffic has to use the home WLAN, for example). Then, it is determine, on the basis of the detection result, whether the preferred specific network access is available and can be used for communication (i.e., for example, whether a selected network access, such as a WLAN, is the home WLAN indicated in the rules).
  • a traffic steering as part of the communication control in S210 is conducted. That is, a matching part of the data traffic is steered via the preferred specific network access.
  • the local area network of the specific provider is to be used from the processing of the policy information.
  • the local area network of the specific provider is determined to be usable, steering of a matching part of the data traffic by using the local area network of the specific provider is conducted. Otherwise, remaining network accesses being equally or less highly prioritized in the traffic steering policies (e.g. a list) are considered for traffic steering decision.
  • the policy information may include a plurality of network accesses included in a list forming the indication of preference of the specific network access, wherein the other network access is part of the list.
  • Fig. 12 shows a diagram of a communication network control element according to some examples of embodiments, which is configured to implement a control procedure as described in connection with some of the examples of embodiments.
  • the communication network control element like the ANDSF server 20, which is shown in Fig. 12, may include further elements or functions besides those described herein below.
  • the element or node may be also another device or function having a similar task, such as a chipset, a chip, a module, an application etc., which can also be part of a communication network control element or attached as a separate element to a communication network control element, or the like.
  • each block and any combination thereof may be implemented by various means or their combinations, such as hardware, software, firmware, one or more processors and/or circuitry.
  • the communication network control element shown in Fig. 12 may include a processing circuitry, a processing function, a control unit or a processor 21 , such as a CPU or the like, which is suitable for executing instructions given by programs or the like related to the control procedure.
  • the processor 21 may include one or more processing portions or functions dedicated to specific processing as described below, or the processing may be run in a single processor or processing function. Portions for executing such specific processing may be also provided as discrete elements or within one or more further processors, processing functions or processing portions, such as in one physical processor like a CPU or in one or more physical or virtual entities, for example.
  • Reference signs 22 and 23 denote transceiver or input/output (I/O) units or functions (interfaces) connected to the processor or processing function 21 .
  • the I/O units 22 may be used for communicating with a communication element, such as the UE 10.
  • the I/O units 23 may be used for communicating with a core network or the like.
  • the I/O units 22 and 23 may be a combined unit including communication equipment towards several network elements, or may include a distributed structure with a plurality of different interfaces for different network elements.
  • Reference sign 24 denotes a memory usable, for example, for storing data and programs to be executed by the processor or processing function 21 and/or as a working storage of the processor or processing function 21 . It is to be noted that the memory 24 may be implemented by using one or more memory portions of the same or different type of memory.
  • the processor or processing function 21 is configured to execute processing related to the above described control procedure.
  • the processor or processing circuitry or function 21 includes one or more of the following sub-portions.
  • Sub-portion 210 is a processing portion which is usable for preparing policy information.
  • the portion 210 may be configured to perform processing according to S100 of Fig. 10.
  • the processor or processing circuitry or function 21 may include a sub- portion 21 1 usable as a portion for providing the policy information.
  • the portion 21 1 may be configured to perform a processing according to S210 of Fig. 10.
  • Fig. 13 shows a diagram of a communication element according to some examples of embodiments, which is configured to implement a control procedure as described in connection with some of the examples of embodiments.
  • the communication element may include further elements or functions besides those described herein below.
  • the element or node may be also another device or function having a similar task, such as a chipset, a chip, a module, an application etc., which can also be part of a communication element or attached as a separate element to a communication element, or the like.
  • each block and any combination thereof may be implemented by various means or their combinations, such as hardware, software, firmware, one or more processors and/or circuitry.
  • the communication element shown in Fig. 13 may include a processing circuitry, a processing function, a control unit or a processor 1 1 , such as a CPU or the like, which is suitable for executing instructions given by programs or the like related to the control procedure.
  • the processor 1 1 may include one or more processing portions or functions dedicated to specific processing as described below, or the processing may be run in a single processor or processing function. Portions for executing such specific processing may be also provided as discrete elements or within one or more further processors, processing functions or processing portions, such as in one physical processor like a CPU or in one or more physical or virtual entities, for example.
  • Reference sign 12 denotes transceiver or input/output (I/O) units or functions (interfaces) connected to the processor or processing function 1 1 .
  • the I/O units 12 may be used for communicating with a communication network control element, such as an
  • the I/O units 12 may be a combined unit including communication equipment towards several network elements, or may include a distributed structure with a plurality of different interfaces for different network elements.
  • Reference sign 14 denotes a memory usable, for example, for storing data and programs to be executed by the processor or processing function 1 1 and/or as a working storage of the processor or processing function 1 1 . It is to be noted that the memory 14 may be implemented by using one or more memory portions of the same or different type of memory.
  • the processor or processing function 1 1 is configured to execute processing related to the above described control procedure.
  • the processor or processing circuitry or function 1 1 1 includes one or more of the following sub-portions.
  • Sub-portion 1 10 is a processing portion which is usable for obtaining and processing policy information. The portion 1 10 may be configured to perform processing according to
  • the processor or processing circuitry or function 1 1 may include a sub-portion 1 1 1 usable as a portion for conducting a communication control and/or traffic steering.
  • the portion 1 1 1 may be configured to perform a processing according to at least one of S210 and S220 of Fig. 1 1 .
  • the above defined apparatus may further comprise means for conducting at least one of the processings defined in the above described methods, for example a method according that described in connection with Fig 10.
  • an apparatus comprising means for preparing policy information related to traffic steering of data traffic, the policy information including an indication of preference of at least one specific network access over other network accesses for steering at least a part of the data traffic, wherein the at least one preferred specific network access is to be used as preferred target for steering a matching part of the data traffic and is related to a home wireless local area network of a service provider providing an active routing policy including the policy information, and means for providing the policy information to a communication element being connected.
  • the above defined apparatus may further comprise means for conducting at least one of the processings defined in the above described methods, for example a method according that described in connection with Fig 10.
  • an apparatus comprising means for obtaining policy information related to traffic steering of data traffic, the policy information including an indication of preference of at least one specific network access over other network accesses for steering at least a part of the data traffic, wherein the at least one preferred specific network access is to be used as preferred target for steering a matching part of the data traffic and is related to a home wireless local area network of a service provider providing an active routing policy including the policy information, and means for executing a communication control considering the policy information, wherein the communication control comprises detecting that the specific network access related to the home wireless local area network of the service provider providing the active routing policy is to be preferred for at least a part of a current data traffic, determining, on the basis of the detection result, whether the preferred specific network access is available and can be used for communication, and in case the preferred specific network access is available, steering a matching part of the data traffic via the preferred specific network access.
  • the above defined apparatus may further comprise means for conducting at least one of the processings defined in the above described methods, for example a method according that described in connection with Fig 1 1 .
  • an access technology via which traffic is transferred to and from a network element may be any suitable present or future technology, such as WLAN (Wireless Local Area Network
  • a user device also called UE, user equipment, user terminal, terminal device, etc.
  • UE user equipment
  • user terminal device illustrates one type of an apparatus to which resources on the air interface may be allocated and assigned, and thus any feature described herein with a user equipment may be implemented with a corresponding apparatus, such as a relay node.
  • a relay node is a layer 3 relay (self-backhauling relay) towards a base station or eNB.
  • the user device typically refers to a portable computing device that includes wireless mobile communication devices operating with or without a subscriber identification module (SIM), including, but not limited to, the following types of devices: a mobile station (mobile phone), smart phone, personal digital assistant (PDA), handset, device using a wireless modem (alarm or measurement device, etc.), laptop and/or touch screen computer, tablet, game console, notebook, and multimedia device.
  • SIM subscriber identification module
  • a user device may also be a nearly exclusive uplink only device, of which an example is a camera or video camera loading images or video clips to a network, or a nearly exclusive downlink only device, such as a portable video player.
  • a device may be regarded as an apparatus or as an assembly of more than one apparatus, whether functionally in cooperation with each other or functionally independently of each other but in a same device housing.
  • - embodiments suitable to be implemented as software code or portions of it and being run using a processor or processing function are software code independent and can be specified using any known or future developed programming language, such as a high-level programming language, such as objective-C, C, C++, C#, Java, Python, Javascript, other scripting languages etc., or a low-level programming language, such as a machine language, or an assembler.
  • a high-level programming language such as objective-C, C, C++, C#, Java, Python, Javascript, other scripting languages etc.
  • a low-level programming language such as a machine language, or an assembler.
  • - implementation of embodiments is hardware independent and may be implemented using any known or future developed hardware technology or any hybrids of these, such as a microprocessor or CPU (Central Processing Unit), MOS (Metal Oxide Semiconductor), CMOS (Complementary MOS), BiMOS (Bipolar MOS), BiCMOS (Bipolar CMOS), ECL (Emitter Coupled Logic), and/or TTL (Transistor-Transistor
  • CPU Central Processing Unit
  • MOS Metal Oxide Semiconductor
  • CMOS Complementary MOS
  • BiMOS Bipolar MOS
  • BiCMOS BiCMOS
  • ECL Emitter Coupled Logic
  • TTL Transistor-Transistor
  • - embodiments may be implemented as individual devices, apparatuses, units, means or functions, or in a distributed fashion, for example, one or more processors or processing functions may be used or shared in the processing, or one or more processing sections or processing portions may be used and shared in the processing, wherein one physical processor or more than one physical processor may be used for implementing one or more processing portions dedicated to specific processing as described,
  • an apparatus may be implemented by a semiconductor chip, a chipset, or a (hardware) module including such chip or chipset;
  • ASIC Application Specific IC
  • FPGA Field-programmable Gate Arrays
  • CPLD Complex Programmable Logic Device
  • DSP Digital Signal Processor
  • - embodiments may also be implemented as computer program products, including a computer usable medium having a computer readable program code embodied therein, the computer readable program code adapted to execute a process as described in embodiments, wherein the computer usable medium may be a non-transitory medium.

Abstract

La présente invention concerne un appareil comprenant au moins un ensemble de circuits de traitement, et au moins une mémoire permettant de mémoriser des instructions devant être exécutées par l'ensemble de circuits de traitement, ladite mémoire et les instructions étant configurées pour, conjointement avec ledit ensemble de circuits de traitement, amener l'appareil au moins à : obtenir des informations de politique associées à une orientation de trafic de trafic de données, les informations de politique comprenant une indication de préférence d'au moins un accès à un réseau spécifique par rapport à des accès à d'autres réseaux en vue d'orienter au moins une partie du trafic de données, ledit accès au réseau spécifique préféré étant destiné à être utilisé en tant que cible préférée pour orienter une partie correspondante du trafic de données et étant associé à un réseau local sans fil domestique d'un fournisseur de services fournissant une politique d'acheminement actif comprenant les informations de politique; et exécuter une commande de communication tenant compte des informations de politique, la commande de communication consistant à détecter que l'accès au réseau spécifique associé au réseau local sans fil domestique du fournisseur de services fournissant la politique d'acheminement actif doit être préféré pour au moins une partie d'un trafic de données actuel, à déterminer, sur la base du résultat de détection, si l'accès au réseau spécifique préféré est disponible et peut être utilisé pour une communication, et, dans le cas où l'accès au réseau spécifique préféré est disponible, à orienter une partie correspondante du trafic de données par l'intermédiaire du type de réseau d'accès spécifique préféré.
PCT/EP2014/078273 2014-12-17 2014-12-17 Orientation de trafic entre un réseau local sans fil domestique et un réseau cellulaire par andsf WO2016095992A1 (fr)

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