WO2004032474A1 - Unite de commande integree - Google Patents

Unite de commande integree Download PDF

Info

Publication number
WO2004032474A1
WO2004032474A1 PCT/DE2003/002797 DE0302797W WO2004032474A1 WO 2004032474 A1 WO2004032474 A1 WO 2004032474A1 DE 0302797 W DE0302797 W DE 0302797W WO 2004032474 A1 WO2004032474 A1 WO 2004032474A1
Authority
WO
WIPO (PCT)
Prior art keywords
network
protocol
module
control unit
services
Prior art date
Application number
PCT/DE2003/002797
Other languages
German (de)
English (en)
Inventor
Klaus-Josef Kunte
Thomas Hanna
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2004032474A1 publication Critical patent/WO2004032474A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1033—Signalling gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1023—Media gateways
    • H04L65/103—Media gateways in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1033—Signalling gateways
    • H04L65/104—Signalling gateways in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1043—Gateway controllers, e.g. media gateway control protocol [MGCP] controllers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08—Protocols for interworking; Protocol conversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13104—Central control, computer control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13106—Microprocessor, CPU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13196—Connection circuit/link/trunk/junction, bridge, router, gateway
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204—Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13389—LAN, internet

Definitions

  • the invention relates to an integrated control unit according to the preamble of patent claim 1.
  • adaptation units For the mutual exchange of information between packet-oriented networks with different transmission protocols, adaptation units are known, which are also referred to in the technical field as an 'interworking unit'.
  • transmission protocol is used in the following for communication protocols between terminals arranged in the packet-oriented network above a transport or connection level.
  • Such a transmission protocol is designed, for example, in accordance with the known 'H.323' or 'SIP' standards.
  • SIP Session Initiation Protocol
  • IETF Internet Engineering Task Force
  • the H.323 standard is an international ITU-T standard (International Telecommunication Union - Telecommunication Standardization Sector) for voice, data and video communication over packet-oriented networks, which ensures interoperability of the manufacturer's products with one another.
  • ITU-T International Telecommunication Union - Telecommunication Standardization Sector
  • a communication computer unit is arranged in each of these packet-oriented networks, also referred to in the technical field as 'protocol server'.
  • a log server has a network-side interface that is used to exchange packet-oriented data for end devices and / or protocol servers of the same protocol type.
  • the said adaptation unit - interworking unit - is used to convert messages from a first packet-oriented network to a second packet-oriented network that has a different transmission protocol.
  • the adaptation unit is arranged between the first and second networks. Due to this form of connection, the adaptation unit is also called 'gateway' in the professional world. There are both protocol and signaling gateways.
  • a gateway is a hardware and / or
  • Protocol servers and the respective network is arranged.
  • FIG. 2 The prior art is illustrated below with the aid of the drawing, FIG. 2.
  • FIG. 2 shows a first network DM1, which exchanges data with a second network DM2 via an adaptation unit IWU.
  • the first or second network DM1, DM2 is a respective first or second database '
  • the two databases DB1, DB2 can be synchronized with one another via synchronization means (not shown) using synchronization information SYNC.
  • the adapter unit IWU connecting the two networks DM1, DM2 is connected to the first network DM1 via this network DM1 assigned first protocol server GK connected.
  • this first protocol server GK is also called 'gatekeeper'. 5
  • the adaptation unit IWU is connected to the second network DM2 via a second protocol server PRX.
  • the second protocol server PRX assigned to the second network DM2 is also called 'proxy' in the terminology of the SIP standard.
  • infrastructure means IST are arranged, which are present, for example, in the form of distributed computer units, network means, mass storage means, etc.
  • 35 le certain applications APP or services SVC are limited to the first network DM1, since corresponding control messages calling these services SVC or applications APP cannot be translated into the second network DM2 by the adaptation unit IWU. For this reason, corresponding applications APP and services SVC must be implemented separately in the second network DM2 with regard to the transmission protocol used there and with a different scope of functions.
  • L5 adaptation unit IWU communicating with the respective gateways GK, PRX is not provided. This often results in redundant storage or maintenance of the data in the respective database DB1, DB2, with synchronization of the data exclusively with proprietary and frequently error-prone
  • the protocol servers GK, PRX communicating with the adaptation unit IWU each act as the end point of a communication connection and provide evidence for this communication task
  • This communication connection results in a consumption of resources, above all in the occupancy of a logical communication interface, also called 'port' in the professional world.
  • Data transmission via the respective protocol server
  • PRX mainly takes place via so-called reserved ports, also known as 'well-defined ports' in the professional world.
  • reserved ports also known as 'well-defined ports' in the professional world.
  • the communication protocol unit (not shown) containing the respective protocol server GK, PRX is no longer possible for further applications of these well-defined ports.
  • the protocol server PRX ('SIP Proxy') and the adaptation unit IWU ('Gateway') are implemented on this - not shown - the 5 infrastructure means IST of the second communication network DM2 assigned - communication computer unit not technically feasible.
  • Another aspect of a disadvantageous resource allocation is that for an application APP initiated by the first network DM1 and to be executed in the second network DM2, a large number of control or confirmation messages must be exchanged, the messages in and between the packet-oriented networks DM1, DM2 exchanged data packets L5 cause a high occupancy of transmission means in the networks DM1, DM2.
  • data packets are always transported with a network-dependent delay, which additionally slows down the execution of services SVC or applications APP in the other network DM2, DM1.
  • the object of the invention is to provide means in whose applications the above problems are avoided.
  • an integrated control unit with modular gateway modules and with protocol-independent application and service modules controls terminal devices in several networks that support different transmission protocols.
  • Control and signaling data are controlled in the modular gateway modules under the control of an expansion module controller via the gateway. exchanging data, ie data packets encoded in a corresponding transmission protocol.
  • a particular advantage of the control unit according to the invention is the integration of the protocol-independent gateway module in a host computer environment, on which applications and services are also available. This enables defined application interfaces, which make it easy to add other modular, protocol-independent gateway devices.
  • the integrated solution eliminates special devices in the respective network, e.g. a route determination - also called routing in the professional world - or protocol implementation mechanisms between the connected networks.
  • control unit according to the invention is that there is no synchronization of control and signaling messages exchanged between network-external applications or services, since all operations within the computer system of the control unit have a defined processing time - often also referred to as 'real-time processing' - be carried out.
  • a database arranged in the control device for storing and retrieving data of the applications and services makes the provision and maintenance of databases assigned to the individual networks superfluous.
  • Another advantage is the simple maintenance of the data contained in this database, which do not have to be synchronized between two networks.
  • FIG. 1 a structural diagram for the schematic representation of a connection of networks to a control unit
  • FIG. 3 a structural diagram for the schematic representation of functional units of the control unit.
  • FIG. 1 shows a control unit ICG with a first, a second and a third gateway module GW1, GW2, GW3.
  • the gateway modules GW1, GW2, GW3 are connected to a respective network DM1, DM2, DM3.
  • the networks DM1, DM2, DM3 are not necessarily topologically and physically separate networks DM1, DM2, DM3. Rather, a separation of these networks DM1, DM2, DM3 serves to illustrate the picture and is therefore not to be understood physically.
  • the networks DM1, DM2, DM3 are rather to be understood as different 'logical' networks DM1, DM2, DM3 with mutually identical communication protocols in an otherwise common network with heterogeneous communication protocols.
  • the gateway modules GW1, GW2, GW3 each exchange data with infrastructure means IST within the control unit ICG, which are available, for example, in the form of distributed computer units, network means, mass storage devices, etc. With the aid of these infrastructure means IST, services SVC or applications APP are implemented within the control unit ICG.
  • An example of a service SVC is, for example, an 'instant messaging service' which carries out a transmission of text messages.
  • SVC Session Initiation Protocol
  • An example of a service SVC is, for example, an 'instant messaging service' which carries out a transmission of text messages.
  • call data acquisition is necessary, which is an example of an executable application APP.
  • Data to be stored via the infrastructure means IST are stored in a central database DB arranged within the control unit ICG.
  • Versions relating to network DM1 apply analogously to the second network DM2.
  • control unit ICG shown as a system unit in the exemplary embodiment can also be implemented with distributed system components, using known technologies for communication in distributed systems such as, for example, 'Corba' (Common Object Request Broker Architecture), or the Microsoft 'COM' (Component Object Model) or '.Net' technologies.
  • each gateway module GW1, GW2, GW3 can also be implemented as an independent computing unit; the database DB can also be implemented on a mass storage device connected via a network (not shown).
  • control unit according to FIG. 3 is explained in more detail below with further reference to functional units of FIG. 1.
  • FIG. 3 shows software and / or hardware units of the integrated control unit ICG, which are designed in a modular architecture.
  • the connection method of the integrated control Unit ICG to the networks DM1, DM2, DM3 is identical to the description above.
  • FIG. 3 shows the individual functional components of the integrated communication unit ICG.
  • This comprises a protocol server based on the SIP transmission protocol, the first gateway module GW1, shown in dash-dot lines, consisting of a protocol module PRM, a state machine SM, a static routing module SR, an expansion module controller EMM and a domain name determination service module DNS.
  • Further components of the integrated communication unit ICG correspond to the components described in FIG. 1, namely the second or third gateway module GW2, GW3 and the database DB, the application module APP and the service module SVC.
  • the interface to the first network DM1 is formed by a functional unit Winsock WSO.
  • the term 'Winsock' denotes a logical interface for IP implementations ('Internet Protocol') of the 'Windows' operating system family from Microsoft Corp.
  • the Internet Protocol is used on a transport level to transmit the data packets in the first network DM1.
  • the transmission protocol SIP lying in the first network is in principle independent of the transport protocol used.
  • the Winsock WSO extracts from incoming data packets - cf. 3 in the left-hand area of FIG. 3 - a piece of useful information and transfers it in the form of so-called datagrams to the (SIP) protocol module PRM.
  • the protocol module PRM uses the parser module PRS to assign text information contained in the SIP datagrams to logical commands or status information or status information, which are transferred to the state machine SM - also called 'state machine' in the technical field.
  • the state machine communicates information with the expansion module controller EMM using the so-called 'static routing' module SR.
  • This static routing module SR defines processing sequences which are subject to a fixed sequence, for example an interaction of the form 'request-confirmation-data transmission'.
  • the EMM expansion module controller coordinates the transmission of data packets and transfers them - cf. Down arrow in the right area of Fig. 3 - corresponding information to the protocol module PRM. Such transmission processes may also be carried out with a flow definition with the participation of the static routing module SR.
  • the data packet may be transferred to the domain name determination service module DNS.
  • Domain name discovery services are also referred to in the professional world as 'DNS Query' (Domain Name Service).
  • a transmission module TM arranged in the protocol module finally generates a SIP datagram to be sent from the information transmitted and transfers it to the Winsock WSO, which encapsulates the SIP datagram in a data packet and sends it to the first network DM1.
  • the expansion module controller EMM communicates with the aforementioned functional units and coordinates the implementation of the data to be exchanged when services or applications are executed in the respective network DM1, DM2, DM3 through the gateway module assigned to the respective network DM1, DM2, DM3 GW1, GW2, GW3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne une unité de commande intégrée (ICG) servant à commander des terminaux dans un réseau (DM1) à commutation par paquets, raccordé par l'intermédiaire d'un premier module passerelle (GW1) à l'unité de commande intégrée (ICG), selon un premier protocole de transmission, et servant à mettre à disposition des applications et des services. L'unité de commande (ICG) présente au moins un deuxième module passerelle (GW2) servant à communiquer avec un deuxième réseau (DM2) associé. Les applications et services prévus pour le premier réseau (DM1) sont mis à disposition par l'intermédiaire du deuxième module passerelle (GW2) selon un deuxième protocole de transmission. L'unité de commande (ICG) présente en outre au moins un module d'applications (APP) et un module de services (SVC) servant à mettre à disposition des applications et des services, quel que soit le protocole, ainsi qu'au moins une commande de module d'extension (EMM) servant à commander une conversion alternée de données de commande et/ou de signalisation des applications et des services en données à échanger par l'intermédiaire du deuxième module passerelle (GW2).
PCT/DE2003/002797 2002-09-30 2003-08-21 Unite de commande integree WO2004032474A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10245643.7 2002-09-30
DE10245643A DE10245643A1 (de) 2002-09-30 2002-09-30 Integrierte Steuereinheit

Publications (1)

Publication Number Publication Date
WO2004032474A1 true WO2004032474A1 (fr) 2004-04-15

Family

ID=32010006

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2003/002797 WO2004032474A1 (fr) 2002-09-30 2003-08-21 Unite de commande integree

Country Status (2)

Country Link
DE (1) DE10245643A1 (fr)
WO (1) WO2004032474A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1753198A1 (fr) * 2005-08-09 2007-02-14 Alcatel Architecture de réseau de voix sur IP

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002028047A2 (fr) * 2000-09-29 2002-04-04 Telefonaktiebolaget Lm Ericsson (Publ) Serveur d'appel generique et procede de conversion de protocoles de signalement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002028047A2 (fr) * 2000-09-29 2002-04-04 Telefonaktiebolaget Lm Ericsson (Publ) Serveur d'appel generique et procede de conversion de protocoles de signalement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LAKSHMI-RATAN R A: "THE LUCENT TECHNOLOGIES SOFTSWITCH - REALIZING THE PROMISE OF CONVERGENCE", BELL LABS TECHNICAL JOURNAL, vol. 4, no. 2, April 1999 (1999-04-01) - June 1999 (1999-06-01), pages 174 - 195, XP000851517, ISSN: 1089-7089 *

Also Published As

Publication number Publication date
DE10245643A1 (de) 2004-04-15

Similar Documents

Publication Publication Date Title
EP1193919B1 (fr) Procédé pour établir une connection entre un terminal d'un réseau de communication et une destination de connection externe au réseau, et dispositifs pour la réalisation du procédé
DE10245330A1 (de) Softwareschalter der verteilte Firewalls für eine Lastteilung von Internet-Telefonie-Verkehr in einem IP-Netz verwendet
EP1492300A1 (fr) Procédé et arrangement pour l'accès à un premier terminal d'un premier réseau de transmissions depuis un noeud de communication d'un deuxième réseau de transmissions
EP1211878A2 (fr) Méthode et appareil de renvoi d'appel par un représentant dans un système de communication
WO2005020535A1 (fr) Procede, produit logiciel et dispositifs pour signaler la modification de liaisons sur voie porteuse au moyen du protocole sip
EP1491032A1 (fr) Commande d'une liaison de communication vocale dans un reseau de communication a commutation par paquets entre differents dispositifs de communication associes a des domaines
EP1714473A1 (fr) Etablissement d'une liaison multimedia de transmission par paquets au moyen d'un systeme de reponse vocale interactif
WO2010034499A2 (fr) Procédé et dispositif de conversion d'adresse bidirectionnelle dans des flux de données à commande sip entre des terminaux de traitement de données ipv4 et ipv6
WO2005027487A1 (fr) Interfonctionnement de protocoles dans des reseaux multimedia hybrides
DE60029105T2 (de) Ip - basiertes fernsprechsystem
EP1525756A1 (fr) Passerelle media permettant de fournir les services pstn/isdn dans des reseaux de la prochaine generation
EP1418729B1 (fr) Procédé et ensemble permettant de communiquer entre un réseau orienté à connexion et plusieurs domaines de réseaux VoIP
EP1307026A1 (fr) Modification d'information d'adresse à l'aide de routeurs NAT et NAPT dans le cas d'une transmission séparée des données et des informations de signalisation
WO2002023828A1 (fr) Procede pour etablir des liaisons avec des qualites de service predefinies dans un reseau de communication oriente paquet, a l'aide d'un gestionnaire de ressources
EP1430688B1 (fr) Unite de connexion de reseaux et systeme de communication pour liaisons de communication en temps reel
DE60314255T2 (de) Signalisierung einer trägerverbindung in einer verteilten architektur
EP1623559B1 (fr) Procede d'echange de donnees entre des elements de reseau dans des reseaux a differentes zones d'adresse
EP1547345A1 (fr) Systeme de transmission de donnees, ordinateur, procede de transmission de donnees pour l'exploitation parallele de ressources privees et reposant sur des normes
WO2004032474A1 (fr) Unite de commande integree
EP1292075B1 (fr) Méthode de direction d'itinéraire de paquets
EP1658719A1 (fr) Procede pour commander des reseaux d'acces d'abonnes a haute disponibilite au moyen d'un central oriente paquets
EP1536610A2 (fr) Procédé pour la transmission de données dans un système de communication
DE102006030591A1 (de) Verfahren zur Verwaltung von Kommunikationsverbindungen
EP1513312B1 (fr) Téléphonie Vidéo multimédia
EP1521486A2 (fr) Dispositif et méthode pour le contrôle de connexions de communications

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): CA CN US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase