CN102238743A - Multiplex bearer management method and device - Google Patents
Multiplex bearer management method and device Download PDFInfo
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- CN102238743A CN102238743A CN2010101730179A CN201010173017A CN102238743A CN 102238743 A CN102238743 A CN 102238743A CN 2010101730179 A CN2010101730179 A CN 2010101730179A CN 201010173017 A CN201010173017 A CN 201010173017A CN 102238743 A CN102238743 A CN 102238743A
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Abstract
The embodiment of the invention discloses a multiplex bearer management method and device. The multiplex bearer management method comprises the following steps of: acquiring a service quality requirement of a service data flow; and adding the service data flow into a transmission queue of a corresponding dedicated bearer when the existence of the dedicated bearer meeting the service quality requirement of the service data flow is determined and a filter of a transmission flow template related to the dedicated bearer is matched with the service data flow. According to the multiplex bearer management method provided by the invention, the service quality requirement information of the service data flow can be acquired from the service data flow when communication service is carried out by utilizing a radio terminal based on mobile communication; dedicated bearers of different service qualities can be automatically selected according to a preset mapping relation; and the service data flow is added into the transmission queue of the corresponding dedicated bearer through the filter in the transmission flow template and further the support of communication service of different quality requirements is realized by utilizing radio bearers with different service qualities.
Description
Technical field
The present invention relates to the field moving communicating field, more particularly, relate to a kind of multichannel load bearing management method and device.
Background technology
Along with popularizing of Internet network, use such as TCP/IP such as the program request/broadcasting of audio/video, voip phone, interactive games and to appear in a large number in our life.These use for the quality of service requirement of network data transmission and traditional web browsing/down load application different.Audio/video data stream such as voip phone requires lower transmission delay, then admits of certain error rate for data integrity.This mainly is to hear that speech has a little noise or distortion because the user of VoIP can tolerate, but generally is difficult to accept for long speech pause.The technology of so increasing TCP/IP application requirements wireless data transmission can satisfy various transmission service quality.
Have multiple multimedia services such as data that strict service quality (QOS) guarantees, voice, image, video and are one of significant challenge that present mobile communication system faces.For the service quality of various multimedia services, 3GPP has introduced grouped data and has carried treatment mechanism more, is the service that the user provides various differentiation with the assurance.
In Long Term Evolution (LTE, Long Term Evolution), introduced the notion of default bearer (Default EPS) and dedicated bearer (Dedicated EPS) in the packet data bearers.Can support " IP is forever online " function by introducing default bearer, and dedicated bearer can satisfy the business with different service quality requirement.
During existing TCP/IP used, especially on computers, all by same Data Radio Bearer transmission, promptly all TCP/IP applied business data all were to share the bandwidth of same radio bearer to the applied business data flow.
By research to prior art, the inventor finds: during existing TCP/IP uses, the multichannel dedicated bearer technology that the applied business data can't directly use LTE to support with different service quality, and then can't directly utilize different radio to carry to support the communication service of different quality requirement.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of multichannel load bearing management method and device, to realize making in the existing TCP/IP application, the multichannel dedicated bearer technology that the applied business data can use LTE to support automatically with different service quality, and then realize utilizing the different radio carrying to support different communication service quality.
For achieving the above object, technical scheme provided by the invention is as follows:
A kind of multichannel load bearing management method comprises:
Obtain the quality of service requirement of business data flow;
When determining to exist the dedicated bearer that satisfies described business data flow quality of service requirement, and when the filter of the delivery flow rate template of described dedicated bearer association and described business data flow coupling, described business data flow is added in the transmit queue of corresponding dedicated bearer.
Preferably, this method also comprises:
When not having the dedicated bearer that satisfies described business data flow quality of service requirement, create corresponding dedicated bearer according to the quality of service requirement of described business data flow; The success back increases the new delivery flow rate template of creating in the set of delivery flow rate template; Described business data flow is added in the transmit queue of the corresponding dedicated bearer of being created.
Preferably, this method also comprises:
When the filter of the delivery flow rate template of described dedicated bearer association and described business data flow do not match, initiate the dedicated bearer modification process, the success back adds the filter that is complementary with described business data flow in described delivery flow rate template; Described business data flow is added in the transmit queue of amended dedicated bearer.
Preferably, the quality of service requirement of described business data flow comprises:
The priority value of the link layer 802.1P that carries in the outer attribute of the priority value of the network layer that the IP header carries in the business data flow and IP message band.
Preferably, the described quality of service requirement that obtains business data flow comprises:
Judge the precedence information that whether comprises link layer 802.1P in the outer attribute information of band of IP message of business data flow, if, obtain the priority value of the link layer 802.1P that comprises in the outer attribute information of band of IP message of described business data flow, otherwise, when the IP of business data flow header comprises the network layer precedence information, obtain the priority value of the network layer that the IP header of described business data flow comprises.
Preferably, when the IP of business data flow header does not comprise the network layer precedence information, described business data flow is put into the transmit queue of default bearer.
Preferably, the described quality of service requirement that obtains business data flow comprises:
Whether the IP header of judging business data flow comprises the network layer precedence information, if, obtain the priority value of the network layer that the IP header of described business data flow comprises, otherwise, when comprising the precedence information of link layer 802.1P in the attribute information outside the band of the IP of business data flow message, obtain the priority value of the link layer 802.1P that comprises in the outer attribute information of band of IP message of described business data flow.
Preferably, when not comprising the precedence information of link layer 802.1P in the attribute information outside the band of the IP of business data flow message, described business data flow is put into the transmit queue of default bearer.
Preferably, described definite existence dedicated bearer of satisfying described business data flow quality of service requirement comprises:
According to the mapping relations that preset, when the priority value of the priority value of the QCI value of the QoS parameter of current dedicated bearer and described network layer or link layer 802.1P is corresponding, determine to satisfy the dedicated bearer of described business data flow quality of service requirement.
Preferably, after the described transmit queue of described business data flow being put into corresponding dedicated bearer, also comprise:
According to the business data flow in the transmit queue of priority orders transmission dedicated bearer.
The present invention also provides a kind of multichannel bearer management device, comprising:
Acquiring unit, determining unit, matching unit, the first target determining unit and business datum stream processing unit;
Described acquiring unit is used to obtain the quality of service requirement of business data flow;
Described determining unit is used to determine whether to exist the dedicated bearer that satisfies described business data flow quality of service requirement;
Described matching unit, be used to judge described dedicated bearer association the delivery flow rate template filter whether with described business data flow coupling;
The first target determining unit, be used for satisfying the dedicated bearer of described business data flow quality of service requirement when existence, and when the filter of the delivery flow rate template of described dedicated bearer association and described business data flow coupling, determine that described dedicated bearer is the target-specific carrying;
Described business datum stream processing unit is used for described business data flow is added the transmit queue that target-specific is carried.
Preferably, this device also comprises:
The second target determining unit is used for creating corresponding dedicated bearer according to the quality of service requirement of described business data flow when not having the dedicated bearer that satisfies described business data flow quality of service requirement; The success back increases the new delivery flow rate template of creating in the delivery flow rate template set of the new dedicated bearer correspondence of creating, and determines that the dedicated bearer of being created is the target-specific carrying.
Preferably, this device also comprises:
The 3rd target determining unit, be used for when the filter of the delivery flow rate template of described dedicated bearer association and described business data flow do not match, revise existing dedicated bearer according to the quality of service requirement of described business data flow, in the delivery flow rate template of described amended dedicated bearer correspondence, add the filter that is complementary with described business data flow, and determine that amended dedicated bearer is the target-specific carrying.
Preferably, the quality of service requirement of described business data flow comprises: the priority value of the link layer 802.1P that the outer attribute of the priority value of the network layer that the IP header carries in the business data flow and IP message band carries.
Preferably, described determining unit, be used for according to the mapping relations that preset, whether the QCI value of the QoS parameter by judging current dedicated bearer is corresponding with the priority value of the priority value of described network layer or link layer 802.1P, determines whether to exist the dedicated bearer that satisfies described business data flow quality of service requirement.
Preferably, this device also comprises: first judging unit and second judging unit;
Described first judging unit is used for judging whether the outer attribute information of band of the IP message of business data flow comprises the precedence information of link layer 802.1P;
Described second judging unit is used to judge whether the IP header of business data flow comprises the precedence information of network layer;
Described acquiring unit is used for obtaining the priority value of the link layer 802.1P that the outer attribute information of band of the IP message of business data flow comprises, or obtains the priority value of the network layer that the IP header of business data flow comprises.
Preferably, described business datum stream processing unit, be used for not comprising the precedence information of link layer 802.1P when the outer attribute information of the band of the IP message of business data flow, and when the IP header of business data flow does not comprise the priority value of network layer, described business data flow is put into the transmit queue of default bearer.
Preferably, this device also comprises:
The business data flow transmitting element is used for the business data flow according to the transmit queue of priority orders transmission dedicated bearer.
Use the technical scheme that the embodiment of the invention provided, can be so that when utilizing wireless terminal based on mobile communication to communicate business, can from business data flow, obtain its quality of service requirement information, select the dedicated bearer of different service quality automatically according to default mapping relations, and business data flow added in the transmit queue of corresponding dedicated bearer by filter, and then realized utilizing the radio bearer of different service quality to support the communication service that different quality requires.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The flow chart of a kind of multichannel load bearing management method that Fig. 1 provides for the embodiment of the invention;
Another flow chart of the multichannel load bearing management method that Fig. 2 provides for the embodiment of the invention;
The flow chart that obtains the business data flow quality of service method that Fig. 3 provides for the embodiment of the invention;
The another kind of flow chart of the multichannel load bearing management method that Fig. 4 provides for the embodiment of the invention;
The structural representation of a kind of multichannel bearer management device that Fig. 5 provides for the embodiment of the invention;
Another structural representation of the multichannel bearer management device that Fig. 6 provides for the embodiment of the invention;
The another kind of structural representation of the multichannel bearer management device that Fig. 7 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
At first the English that may use in the embodiment of the invention is write a Chinese character in simplified form and described.
LTE:Long Term Evolution, Long Term Evolution.
QOS:Quality Of Service, service quality.
QCI:QOS Class Identifier, the quality of service class sign.
DSCP:Differentiated Services Code Point, differentiated services code points.
UE:User Equipment, subscriber equipment.
COS:Class of Service, the grade of service.
TOS:Terms of Service, terms of service.
SPI:Security Parameter Index, Security Parameter Index.
IETF:The Internet Engineering Task Force, the Internet engineering duty group.
During existing TCP/IP used, all by same Data Radio Bearer transmission, promptly all TCP/IP applied business data all were to share the bandwidth of same radio bearer to the applied business data flow.Therefore the multichannel dedicated bearer technology that has caused the applied business data can't directly use LTE to support with different service quality, and then can't directly utilize different radio to carry to support the communication service of different quality.
In LTE, introduced the notion of default EPS carrying (Default EPS) and dedicated bearer (Dedicated EPS) in the packet data bearers.Can support " IP is forever online " function by introducing default EPS carrying, and special-purpose EPS carrying can be satisfied the business with different specific QOS requirements.End side carrying level QOS parameter comprises QCI, GBR, maximum bit rate (MBR) etc.The QOS parameter of radio bearer is embodied on the QCI value.
In general terminal is set up one with a packet data network PDN and is connected, and a default bearer and a plurality of dedicated bearer can be arranged under this connection.A dedicated bearer and a grouped data flow template (TFT) are associated, and a TFT can comprise a plurality of packet filters.The TFT that is attached to a plurality of dedicated bearers under the same PDN connection can form a TFT set.
In LTE, the EPS bearing identification all have the set of one or more business data flows of same bearer rank QOS between UE and packet data gateway (PDN-GW).The delivery flow rate template is the set of grouped data IP filter (Packet filter), a data IP filter in the corresponding delivery flow rate template of each business data flow (TFT), each EPS bearing association the uplink Traffic Profile of UE and the downlink transfer Traffic Profile of packet data gateway (PDN-GW).UE is tied to an EPS carrying by UL TFT with a uplink business data stream, if comprise a plurality of ascending packet data IP filters among the UL-TFT, then a plurality of business data flows can use identical EPS carrying.The UE side is transmitted business datum by UL-TFT in the EPS of correspondence carrying, and network side transmits business datum by DL TFT in the EPS of correspondence carrying.
The business data flow of application layer can be selected to transmit from different radio bearers after filtering by the delivery flow rate template.Determined the mapping relations of the QOS of the QOS of TCP/IP applied business data flow and dedicated bearer, just can realize business data flow is routed on the corresponding dedicated bearer in conjunction with the filter in the delivery flow rate template again.
Embodiment one:
Referring to shown in Figure 1, the multichannel load bearing management method flow chart for present embodiment provided may further comprise the steps:
S101 obtains the quality of service requirement of business data flow;
Can distinguish the quality of service requirement of different business data flow according to the mark of the priority of TCP/IP applied business data flow.Differential service model based on IETF, IP message in the applied business data flow is divided into different priority class, priority class information is comprised in the head or the outer attribute of band of IP message, the priority value of the priority class information map network layer that comprises of the head of IP wherein, the priority value of the priority class information respective links layer 802.1P that comprises in the outer attribute of the band of IP message.
The quality of service requirement of the business data flow described in the embodiment of the invention, comprise the priority value of the network layer that business data flow carries and the priority value of link layer 802.1P, in actual applications can be with the priority value of network layer quality of service requirement as business data flow, also can be with the priority value of link layer 802.1P quality of service requirement as business data flow.
In addition, the quality of service requirement of business data flow can also be provided with by self defined interface cause user, the LTE terminal can be obtained the quality of service requirement of business data flow by described self defined interface, select or create corresponding dedicated bearer then according to described quality of service requirement, the situation that comprises quality of service requirement in its implementation and the business data flow roughly the same repeats no more.The embodiment of the invention describes as quality of service requirement information with the precedence information that comprises in the business data flow.
S102, when determining to exist the dedicated bearer that satisfies described business data flow quality of service requirement, and when the filter of the delivery flow rate template of described dedicated bearer association and described business data flow coupling, described business data flow is added in the transmit queue of corresponding dedicated bearer.
The service quality of special-purpose carrying is not on all four among the quality of service requirement of business data flow and the LTE, therefore in order to select to use different dedicated bearers, can between the two, set in advance a kind of mapping relations according to the quality of service requirement of TCP/IP applied business data flow.According to the mapping relations of the QCI value of the QoS parameter of the value of the priority of the value of default network layer priority and link layer 802.1P and dedicated bearer, whether the QCI value of determining current dedicated bearer is corresponding with the value of the priority of the value of the network layer priority of the business data flow that gets access to or link layer 802.1P.
The delivery flow rate template is the set of grouped data IP filter, and the attribute of the filter that wherein comprises can have a plurality of.Can be several combination of attributes in the filter, but these combinations of attributes have certain limitation.The business datum flow filter of IPV4 is determined according to IPV4 address, source, source port, destination interface, transport protocol type, TOS.Use the business datum flow filter of IPSEC to determine according to IPV4 address, source, transport protocol type, IPSEC Security Parameter Index SPI, TOS.The SPI Security Parameter Index is one 32 a value, is used for identifying that the specific Security Association that is used for handle packet.Just be used for unidirectional IPSEC passage of unique definition.The business datum flow filter of IPV6 is determined according to IPV6 address, source and stream label.The IPV6 stream label is used to identify the bag that belongs to same Business Stream, and all bags in the same stream have identical stream label.
The information that comprises by business data flow can judge current all dedicated bearer association the delivery flow rate template filter whether with described business data flow coupling, have only to exist the filter of coupling just described business data flow can be routed in the transmit queue of corresponding dedicated bearer.
In addition, the multichannel load bearing management method that present embodiment provided after described business data flow is put into the transmit queue of corresponding dedicated bearer, can further include:
According to the business data flow in the transmit queue of priority orders transmission dedicated bearer.The business datum of high priority can preferentially be sent out away from dedicated bearer.
The multichannel load bearing management method that present embodiment provided, can be according to quality of service requirement information that comprises among the business data flow and default mapping relations, select the dedicated bearer of different service quality automatically, and business data flow added in the transmit queue of corresponding dedicated bearer by filter, and then realized utilizing the radio bearer of different service quality to support the communication service that different quality requires.
Embodiment two:
When not having the dedicated bearer that satisfies described business data flow quality of service requirement, the multichannel load bearing management method that the embodiment of the invention provides can also comprise: when not having the dedicated bearer that satisfies described business data flow quality of service requirement, create corresponding dedicated bearer according to the quality of service requirement of described business data flow; The success back increases the new delivery flow rate template of creating in the set of delivery flow rate template; Described business data flow is added in the transmit queue of the corresponding dedicated bearer of being created.
Satisfy the dedicated bearer of described business data flow quality of service requirement when existence, but when the filter of the delivery flow rate template of described dedicated bearer association and described business data flow do not match, the multichannel load bearing management method that the embodiment of the invention provides can also comprise: current dedicated bearer satisfies described business data flow quality of service requirement, and when the filter of the delivery flow rate template of described dedicated bearer association and described business data flow do not match, initiate the dedicated bearer modification process, in described delivery flow rate template, add the filter that is complementary with described business data flow; Described business data flow is added in the transmit queue of amended dedicated bearer.
Referring to shown in Figure 2, another flow chart of the multichannel load bearing management method that provides for the embodiment of the invention, this method may further comprise the steps:
S201 obtains the quality of service requirement of business data flow;
S202 judges whether to exist the dedicated bearer that satisfies described business data flow service quality, if, execution in step S203, otherwise, execution in step S205;
S203 judges whether the filter of the delivery flow rate template of described dedicated bearer association mates with described business data flow, if, execution in step S206, otherwise, execution in step S204;
S204 initiates the dedicated bearer modification process, and the success back adds the filter that is complementary with affiliated business data flow in described delivery flow rate template, and execution in step S206;
S205 creates dedicated bearer according to the quality of service requirement of described business data flow, increases new delivery flow rate template in the set of delivery flow rate template;
S206 adds described business data flow in the transmit queue of corresponding dedicated bearer.
The method that provides among the multichannel load bearing management method that present embodiment provided and the embodiment one is compared, can be when not having the dedicated bearer that satisfies described business data flow quality of service requirement, or the filter of the delivery flow rate template of dedicated bearer association and described business data flow be not when matching, by management to dedicated bearer and delivery flow rate template, the business data flow that requires for different service quality provides corresponding dedicated bearer, realized utilizing the different radio carrying to support the requirement of different communication service quality, and enlarged the range of application of multichannel load bearing management method, improved application flexibility.
Embodiment three:
The priority of the network layer that the quality of service requirement of the business data flow described in the embodiment of the invention can carry for the IP header, also the link layer 802.1P priority that can carry for the outer attribute of the band of IP message.Corresponding, the method for the described quality of service requirement that obtains business data flow can for:
Judge the precedence information that whether comprises link layer 802.1P in the outer attribute information of band of IP message of business data flow, if, obtain the priority value of the link layer 802.1P that comprises in the outer attribute information of band of IP message of described business data flow, otherwise, when the IP of business data flow header comprises the network layer precedence information, obtain the priority value of the network layer that the IP header of described business data flow comprises.
With reference to shown in Figure 3, a kind of method flow diagram that obtains the business data flow quality of service requirement for the embodiment of the invention provides may further comprise the steps:
S301 judges the precedence information that whether comprises link layer 802.1P in the outer attribute information of band of IP message of business data flow, if, execution in step S302 then, otherwise, execution in step S303;
S302 obtains the priority value of the link layer 802.1P that comprises in the outer attribute information of band of IP message of described business data flow;
The priority of the 802.1P of link layer is by the COS value representation of 3 bits in the middle of the 802.1Q TCI label, and span is 0-7, and one has eight kinds of priority; Limit priority is 7, is applied to key network traffics; Priority 6 and 5 is mainly used in the delay-sensitive application program, as interactive video and voice; Priority 4 to 1 is mainly used in the controlled load application program, as streamed multimedia and key service traffics; Priority 0 is default value, enables default value under the situation that other priority value is not set automatically.
Obtaining the quality of service requirement that comprises in the outer attribute information of band of IP message of described business data flow described in this step, is the COS value of 3 bits in the outer attribute 802.1Q TCI label of band that obtains the IP message.
S303 judges whether the IP header of business data flow comprises the precedence information of network layer, if, execution in step S304;
Whether there is the information of specific fields by the IP header of judging business data flow, can obtains the precedence information whether this IP message comprises network layer, and then can obtain described business data flow and whether comprise quality of service requirement.
S304 obtains the priority value of the network layer that comprises in the IP header of described business data flow.
The priority of network layer, the information representation of carrying in the TOS field by the IP head in IPV4, the TOS field has 8 bits, and first three bit is represented IP precedence, span 0-7, and then four bits are represented TOS priority, span 0-15; In IPV6, represent, account for 8 bits, indication IPv6 data streaming service classification or priority by traffic class field.Redefined the TOS territory of IP header among the RFC2474, be called the DS territory, wherein the first six bit definitions is the DSCP priority in DS territory, and span is 0-63.The described quality of service requirement that comprises in the IP header of described business data flow that obtains is the value of obtaining above-mentioned specific fields.
In actual applications, also can preferentially obtain the quality of service requirement of the precedence information of network layer, when not having the precedence information of network layer, obtain the precedence information of link layer 802.1P again as business data flow.Its specific implementation method is as follows:
Whether the IP header of judging business data flow comprises the network layer precedence information, if, obtain the priority value of the network layer that the IP header of described business data flow comprises, otherwise, when comprising the precedence information of link layer 802.1P in the attribute information outside the band of the IP of business data flow message, obtain the priority value of the link layer 802.1P that comprises in the outer attribute information of band of IP message of described business data flow.
If neither comprise the precedence information of link layer 802.1P in the business data flow, the precedence information that does not also comprise network layer, illustrate that then this business data flow does not have quality of service requirement, then the current business data flow can be put into the transmit queue and the transmission of default bearer.
Certainly, the quality of service requirement of business data flow can also be provided with by self defined interface cause user, the LTE terminal can be obtained the quality of service requirement of business data flow by described self defined interface, select or create corresponding dedicated bearer then according to described quality of service requirement, the situation that comprises quality of service requirement in its implementation and the business data flow roughly the same repeats no more.
The multichannel load bearing management method that present embodiment provided, can be according to the priority value of the link layer 802.1P that comprises in the outer attribute information of the band of the IP message of business data flow, or the priority value of the network layer that comprises in the IP header, determine the quality of service requirement information of described business data flow, select the dedicated bearer of different service quality automatically, and then realized utilizing the radio bearer of different service quality to support the communication service that different quality requires.
Embodiment four:
Below in conjunction with a concrete application example, the technical scheme of the inventive method embodiment is described:
With wireless network card TCP/IP applied business data are sent with the form of IP message by radio bearer and to be example, there is different priority in TCP/IP applied business data, promptly the service quality to radio bearer has different demands, but all applied business data all are to share the bandwidth of a radio bearer in the prior art, the multichannel dedicated bearer technology with different service quality that can't directly use LTE to support promptly can't be utilized different radio to carry and satisfy the demand of TCP/IP applied business data to service quality.
Present embodiment provides a kind of multichannel load bearing management method for this reason, and referring to shown in Figure 4, the schematic flow sheet for this method may further comprise the steps:
S401, wireless network card start connection network is done and is adhered to;
Wireless network card gets access to the IP address of network allocation in attaching process, and sets up default bearer and dedicated bearer, and the service quality of described default bearer is determined according to the network side subscription data.
S402 receives the business data flow that application program sends;
Wireless network card receives the TCP/IP applied business data that application program sends.
S403 judges the precedence information that whether comprises link layer 802.1P in the outer attribute information of band of IP message, if, execution in step S404 then, otherwise, execution in step S405;
S404 obtains the priority value of link layer 802.1P, forwards step S408 to;
S405 judges whether carry the network layer precedence information in the IP header, if, execution in step S406 then, otherwise, execution in step S407;
S406 obtains the network layer priority value that the IP header carries, and forwards step S408 to;
S407, the transmission troop and the transmission of the current business data flow being put into default bearer;
S408 obtains the quality of service information of current all dedicated bearers of having set up;
S409 judges whether to exist the dedicated bearer that satisfies current business data flow quality of service requirement, if, execution in step S410 then, otherwise, execution in step S412;
Judge according to default mapping relations whether the priority value of the 802.1P that gets access to or the priority value that the IP header carries be corresponding with the QCI value of current dedicated bearer.
S410, judge current dedicated bearer association the delivery flow rate template filter whether with current business data flow coupling, if, execution in step S413 then, otherwise, execution in step S411;
S411 initiates the dedicated bearer modification process, and the success back adds the filter that flows to coupling with described business datum in described service traffics control template;
S412 creates corresponding dedicated bearer according to the quality of service requirement of described business data flow, after the success, increases the new delivery flow rate template of creating in described delivery flow rate template set;
S413 puts into described business data flow the transmit queue of corresponding dedicated bearer;
S414 sends business data flow in the described transmit queue according to the priority orders of dedicated bearer.
The multichannel load bearing management method that present embodiment provided, can be stored in the form of software program in the WLAN Device Driver, WLAN Device Driver just can be according to the quality of service requirement information that comprises among the business data flow like this, select the dedicated bearer of different service quality automatically, and then realize utilizing the radio bearer of different service quality to support the communication service that different quality requires.
Description by above method embodiment, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out all or part of step of the described method of each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as read-only memory (ROM), random-access memory (ram), magnetic disc or CD.
Embodiment five:
Corresponding to top method embodiment, the embodiment of the invention also provides a kind of multichannel bearer management device, and referring to shown in Figure 5, the structural representation for this device comprises:
Acquiring unit 501, determining unit 502, matching unit 503, the first goal verification unit 504 and business datum stream processing unit 505;
Described acquiring unit 501 is used to obtain the quality of service requirement of business data flow;
Described determining unit 502 is used to determine whether to exist the dedicated bearer that satisfies described business data flow quality of service requirement;
The service quality of special-purpose carrying is not on all four among the quality of service requirement of business data flow and the LTE, therefore in order to select to use different dedicated bearers, can between the two, a kind of mapping relations be set preliminary election according to the quality of service requirement of TCP/IP applied business data flow; Can determine whether to exist the dedicated bearer that satisfies described business data flow quality of service requirement according to described mapping relations then.
Described matching unit 503, be used to judge described dedicated bearer association the delivery flow rate template filter whether with described business data flow coupling;
The information that comprises by business data flow can judge current all dedicated bearer association the delivery flow rate template filter whether with described business data flow coupling, have only to exist the filter of coupling just described business data flow can be routed in the transmit queue of corresponding dedicated bearer.
The described first target determining unit 504, be used for satisfying the dedicated bearer of described business data flow quality of service requirement when existence, and when the filter of the delivery flow rate template of described dedicated bearer association and described business data flow coupling, determine that described dedicated bearer is the target-specific carrying;
Described business datum stream processing unit 505 is used for described business data flow is added the transmit queue that described target-specific is carried.
In addition, this device of multichannel bearer management device of providing of the embodiment of the invention can also comprise:
Business data flow transmitting element 506 is used for the business data flow according to the transmit queue of priority orders transmission dedicated bearer.
The multichannel bearer management device that present embodiment provided, can be according to quality of service requirement information that comprises among the business data flow and default mapping relations, select the dedicated bearer of different service quality automatically, and business data flow added in the transmit queue of selected dedicated bearer by filter, and then realized utilizing the radio bearer of different service quality to support the communication service that different quality requires.
Embodiment six:
For current when not having the dedicated bearer that satisfies described business data flow quality of service requirement, realization utilizes the radio bearer of different service quality to support the communication service that different quality requires, the multichannel bearer management device that the embodiment of the invention provided, shown in the structural representation that provides referring to Fig. 6, can also comprise:
The second target determining unit 507 is used for creating corresponding dedicated bearer according to the quality of service requirement of described business data flow when not having the dedicated bearer that satisfies described business data flow quality of service requirement; The success back increases the new delivery flow rate template of creating in the delivery flow rate template set of the new dedicated bearer correspondence of creating, and determines that the new dedicated bearer of creating is the target-specific carrying.
In addition, the dedicated bearer of described business data flow quality of service requirement is satisfied in current existence, but when the filter of the delivery flow rate template of this dedicated bearer association and described business data flow do not match, for described business data flow being routed in the transmit queue of this dedicated bearer, described multichannel bearer management device can also comprise:
The 3rd target determining unit 508, be used for when the filter of the delivery flow rate template of described dedicated bearer association and described business data flow do not match, revise existing dedicated bearer according to the quality of service requirement of described business data flow, in the delivery flow rate template of described amended dedicated bearer correspondence, add the filter that is complementary with described business data flow, and determine that amended dedicated bearer is the target-specific carrying.
Wherein, the described second target determining unit 507 can comprise dedicated bearer administrative unit and delivery flow rate Template Manager unit; Described dedicated bearer administrative unit is used for when not having the dedicated bearer that satisfies described business data flow quality of service requirement, creates corresponding new dedicated bearer according to the quality of service requirement of described business data flow; Described delivery flow rate Template Manager unit is used for after the dedicated bearer administrative unit is created new dedicated bearer, increases the new delivery flow rate template of creating in the delivery flow rate template set of dedicated bearer correspondence.
Described the 3rd target determining unit 508 of stating also can comprise dedicated bearer administrative unit and delivery flow rate Template Manager unit; Described dedicated bearer administrative unit is used for revising existing dedicated bearer according to the quality of service requirement of described business data flow; Described delivery flow rate Template Manager unit is used for after the dedicated bearer administrative unit is revised existing dedicated bearer, adds the filter that is complementary with described business data flow in the delivery flow rate template of described amended dedicated bearer correspondence.
The multichannel bearer management device that present embodiment provides, can be when not having the dedicated bearer that satisfies described business data flow quality of service requirement, or the filter of the delivery flow rate template of dedicated bearer association and described business data flow be not when matching, by management to dedicated bearer and delivery flow rate template, the business data flow that requires for different service quality provides corresponding dedicated bearer, realize utilizing the different radio carrying to support the requirement of different communication service quality, and enlarged the range of application of described multichannel bearer management device.
Embodiment seven:
Can distinguish the quality of service requirement of different business data flow according to the mark of the priority of TCP/IP applied business data flow.Differential service model based on IETF, IP message in the applied business data flow is divided into different priority class, priority class information is comprised in the head or the outer attribute of band of IP message, the priority value of the priority class information map network layer that comprises of the head of IP wherein, the priority value of the priority class information respective links layer 802.1P that comprises in the outer attribute of the band of IP message.The quality of service requirement of business data flow described in the embodiment of the invention comprises: the priority value of the link layer 802.1P that the outer attribute of the priority value of the network layer that the IP header carries in the business data flow and IP message band carries.
The service quality of special-purpose carrying is not on all four among the quality of service requirement of business data flow and the LTE, therefore in order to select to use different dedicated bearers, can between the two, set in advance a kind of mapping relations according to the quality of service requirement of TCP/IP applied business data flow.According to the mapping relations of the QCI value of the QoS parameter of the priority value of default network layer priority value and link layer 802.1P and dedicated bearer, whether the QCI value of determining current dedicated bearer is corresponding with the priority value of the network layer priority value of the business data flow that gets access to or link layer 802.1P.
Therefore, described determining unit 502, be used for according to the mapping relations that preset, whether the QCI value of the QoS parameter by judging current dedicated bearer is corresponding with the priority value of the priority value of described network layer or link layer 802.1P, determines whether to exist the dedicated bearer that satisfies described business data flow quality of service requirement.
Corresponding, in order to obtain the quality of service requirement of business data flow, the multichannel bearer management device that the embodiment of the invention provided shown in the structural representation of Fig. 7, can further include: the first judging unit 509a and the second judging unit 509b;
The described first judging unit 509a is used for judging whether the outer attribute information of band of the IP message of business data flow comprises the precedence information of link layer 802.1P;
The described second judging unit 509b is used to judge whether the IP header of business data flow comprises the priority value of network layer;
Described acquiring unit 501 is used for obtaining the priority value of the link layer 802.1P that the outer attribute information of band of the IP message of business data flow comprises, or obtains the priority value of the network layer that the IP header of business data flow comprises.
Concrete, described acquiring unit 501 is used for obtaining the priority value of described link layer 802.1P when attribute information comprises the precedence information of link layer 802.1P outside the band of the IP of business data flow message; The precedence information that in attribute information outside the band of the IP of business data flow message, does not comprise link layer 802.1P, and the IP header of business data flow obtains the priority value of described network layer when comprising the priority value of network layer.
In actual applications, also can preferentially obtain the quality of service requirement of the priority value of network layer, when not having the precedence information of network layer, obtain the priority value of link layer 802.1P again as business data flow.Therefore, described first judging unit 509a and the described second judging unit 509b can be according to application demands, the position that exchange is provided with.
Corresponding, described acquiring unit 501 can also be used for, and when the IP of business data flow header comprises the network layer precedence information, obtains the priority value of the network layer that the IP header of described business data flow comprises; When the IP of business data flow header does not comprise the network layer precedence information, and when comprising the precedence information of link layer 802.1P in the outer attribute information of the band of the IP message of business data flow, obtain the priority value of described link layer 802.1P.
The priority value that in attribute information outside the band of the IP of business data flow message, does not comprise link layer 802.1P, and when the IP header of business data flow does not comprise the priority value of network layer, business datum stream processing unit 505 described in the embodiment of the invention is used for described business data flow is put into the transmit queue of default bearer.
The multichannel bearer management device that present embodiment provided, can be deployed in the network interface card of computer, also can be deployed in the application processor of smart mobile phone, even also can be deployed to the MODEM side, this device can obtain the quality of service requirement information that comprises among the business data flow, select the dedicated bearer of different service quality automatically according to default mapping relations, and business data flow added in the transmit queue of corresponding dedicated bearer by the filter in the delivery flow rate template, and then realized utilizing the radio bearer of different service quality to support the communication service that different quality requires.
For device or system embodiment, because it is substantially corresponding to method embodiment, so relevant part gets final product referring to the part explanation of method embodiment.Device described above or system embodiment only are schematic, wherein said unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, promptly can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select wherein some or all of module to realize the purpose of present embodiment scheme according to the actual needs.Those of ordinary skills promptly can understand and implement under the situation of not paying creative work.
Multichannel load bearing management method and device that the embodiment of the invention provided; with the LTE network is that applied environment describes; those skilled in the art are under the situation of not making creative work; technical scheme provided by the invention is applied to the technical scheme that obtains in 3G network or other network after accommodation, all belongs to the scope of protection of the invention.
In several embodiment that the application provided, should be understood that, disclosed system, apparatus and method not surpassing in the application's the spirit and scope, can realize in other way.Current embodiment is a kind of exemplary example, should be as restriction, and given particular content should in no way limit the application's purpose.For example, the division of described unit or subelement only is that a kind of logic function is divided, and during actual the realization other dividing mode can be arranged, and for example a plurality of unit or a plurality of subelement combine.In addition, a plurality of unit can or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.
In addition, institute's descriptive system, the schematic diagram of apparatus and method and different embodiment, in the scope that does not exceed the application, can with other system, module, technology or method in conjunction with or integrated.Another point, the shown or coupling each other discussed or directly to be coupled or to communicate to connect can be by some interfaces, the indirect coupling of device or unit or communicate to connect can be electrically, machinery or other form.
The above only is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (18)
1. a multichannel load bearing management method is characterized in that, comprising:
Obtain the quality of service requirement of business data flow;
When determining to exist the dedicated bearer that satisfies described business data flow quality of service requirement, and when the filter of the delivery flow rate template of described dedicated bearer association and described business data flow coupling, described business data flow is added in the transmit queue of corresponding dedicated bearer.
2. multichannel load bearing management method as claimed in claim 1 is characterized in that, also comprises:
When not having the dedicated bearer that satisfies described business data flow quality of service requirement, create corresponding dedicated bearer according to the quality of service requirement of described business data flow; The success back increases the new delivery flow rate template of creating in the set of delivery flow rate template; Described business data flow is added in the transmit queue of the corresponding dedicated bearer of being created.
3. multichannel load bearing management method as claimed in claim 1 is characterized in that, also comprises:
When the filter of the delivery flow rate template of described dedicated bearer association and described business data flow do not match, initiate the dedicated bearer modification process, the success back adds the filter that is complementary with described business data flow in described delivery flow rate template; Described business data flow is added in the transmit queue of amended dedicated bearer.
4. multichannel load bearing management method as claimed in claim 1 is characterized in that, the quality of service requirement of described business data flow comprises:
The priority value of the link layer 802.1P that carries in the outer attribute of the priority value of the network layer that the IP header carries in the business data flow and IP message band.
5. multichannel load bearing management method as claimed in claim 4 is characterized in that, the described quality of service requirement that obtains business data flow comprises:
Judge the precedence information that whether comprises link layer 802.1P in the outer attribute information of band of IP message of business data flow, if, obtain the priority value of the link layer 802.1P that comprises in the outer attribute information of band of IP message of described business data flow, otherwise, when the IP of business data flow header comprises the network layer precedence information, obtain the priority value of the network layer that the IP header of described business data flow comprises.
6. multichannel load bearing management method as claimed in claim 5 is characterized in that, when the IP of business data flow header does not comprise the network layer precedence information, described business data flow is put into the transmit queue of default bearer.
7. multichannel load bearing management method as claimed in claim 4 is characterized in that, the described quality of service requirement that obtains business data flow comprises:
Whether the IP header of judging business data flow comprises the network layer precedence information, if, obtain the priority value of the network layer that the IP header of described business data flow comprises, otherwise, when comprising the precedence information of link layer 802.1P in the attribute information outside the band of the IP of business data flow message, obtain the priority value of the link layer 802.1P that comprises in the outer attribute information of band of IP message of described business data flow.
8. method as claimed in claim 7 is characterized in that, when not comprising the precedence information of link layer 802.1P in the attribute information outside the band of the IP of business data flow message, described business data flow is put into the transmit queue of default bearer.
9. multichannel load bearing management method as claimed in claim 4 is characterized in that, the dedicated bearer that described business data flow quality of service requirement is satisfied in described definite existence comprises:
According to the mapping relations that preset, when the priority value of the priority value of the QCI value of the QoS parameter of current dedicated bearer and described network layer or link layer 802.1P is corresponding, determine to satisfy the dedicated bearer of described business data flow quality of service requirement.
10. multichannel load bearing management method as claimed in claim 1, its feature with, after the described transmit queue of described business data flow being put into corresponding dedicated bearer, also comprise:
According to the business data flow in the transmit queue of priority orders transmission dedicated bearer.
11. a multichannel bearer management device is characterized in that, comprising:
Acquiring unit, determining unit, matching unit, the first target determining unit and business datum stream processing unit;
Described acquiring unit is used to obtain the quality of service requirement of business data flow;
Described determining unit is used to determine whether to exist the dedicated bearer that satisfies described business data flow quality of service requirement;
Described matching unit, be used to judge described dedicated bearer association the delivery flow rate template filter whether with described business data flow coupling;
The first target determining unit, be used for satisfying the dedicated bearer of described business data flow quality of service requirement when existence, and when the filter of the delivery flow rate template of described dedicated bearer association and described business data flow coupling, determine that described dedicated bearer is the target-specific carrying;
Described business datum stream processing unit is used for described business data flow is added the transmit queue that target-specific is carried.
12. multichannel bearer management device as claimed in claim 11 is characterized in that, also comprises:
The second target determining unit is used for creating corresponding dedicated bearer according to the quality of service requirement of described business data flow when not having the dedicated bearer that satisfies described business data flow quality of service requirement; The success back increases the new delivery flow rate template of creating in the delivery flow rate template set of the new dedicated bearer correspondence of creating, and determines that the dedicated bearer of being created is the target-specific carrying.
13. multichannel bearer management device as claimed in claim 11 is characterized in that, also comprises:
The 3rd target determining unit, be used for when the filter of the delivery flow rate template of described dedicated bearer association and described business data flow do not match, revise existing dedicated bearer according to the quality of service requirement of described business data flow, in the delivery flow rate template of described amended dedicated bearer correspondence, add the filter that is complementary with described business data flow, and determine that amended dedicated bearer is the target-specific carrying.
14. multichannel bearer management device as claimed in claim 11 is characterized in that:
The quality of service requirement of described business data flow comprises: the priority value of the link layer 802.1P that the outer attribute of the priority value of the network layer that the IP header carries in the business data flow and IP message band carries.
15. multichannel bearer management device as claimed in claim 14 is characterized in that:
Described determining unit, be used for according to the mapping relations that preset, whether the QCI value of the QoS parameter by judging current dedicated bearer is corresponding with the priority value of the priority value of described network layer or link layer 802.1P, determines whether to exist the dedicated bearer that satisfies described business data flow quality of service requirement.
16. multichannel bearer management device as claimed in claim 14 is characterized in that:
This device also comprises: first judging unit and second judging unit;
Described first judging unit is used for judging whether the outer attribute information of band of the IP message of business data flow comprises the precedence information of link layer 802.1P;
Described second judging unit is used to judge whether the IP header of business data flow comprises the precedence information of network layer;
Described acquiring unit is used for obtaining the priority value of the link layer 802.1P that the outer attribute information of band of the IP message of business data flow comprises, or obtains the priority value of the network layer that the IP header of business data flow comprises.
17. multichannel bearer management device as claimed in claim 16 is characterized in that:
Described business datum stream processing unit, be used for not comprising the precedence information of link layer 802.1P when the outer attribute information of the band of the IP message of business data flow, and when the IP header of business data flow does not comprise the priority value of network layer, described business data flow is put into the transmit queue of default bearer.
18. multichannel bearer management device as claimed in claim 11 is characterized in that this device also comprises:
The business data flow transmitting element is used for the business data flow according to the transmit queue of priority orders transmission dedicated bearer.
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| CN2010101730179A CN102238743A (en) | 2010-05-05 | 2010-05-05 | Multiplex bearer management method and device |
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| CN2010101730179A CN102238743A (en) | 2010-05-05 | 2010-05-05 | Multiplex bearer management method and device |
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Application publication date: 20111109 |