CN101610240B - Method and network device for associating service information with IP-CAN session information - Google Patents
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Abstract
The invention discloses a method and a network device for associating service information with IP-CAN session information. The method comprises the following steps: receiving an application layer session which carries the service information; and carrying identification information in a message for transmitting the service information, wherein the identification information is used for associating the service information and the IP-CAN session information. The network device comprises a receiving module and a sending module, wherein the receiving module is used for receiving the application layer session which carries the service information, the sending module is used for carrying the identification information in the message for transmitting the service information, and the identification information is used for associating the service information and the IP-CAN session information. Through the embodiment of the invention, under the condition of roaming, an HPCRF can know the association between the service information and the IP-CAN session information, so that the HPCRF can accurately generate a PCC strategy.
Description
Technical field
The present invention relates to networking technology area, the method that especially a kind of business information is related with the IP-CAN session information and the network equipment.
Background technology
IP network can provide diversified business, such as multimedia call service, file downloading service, web page browsing business etc., different business has different requirements to service quality (Quality of Service, QoS), and is also different to the requirement of charging aspect.3rd Generation Partnership Project (3
RdGeneration Partnership Project, 3GPP) in strategy and charging control (Policy andCharging Control, PCC) framework of definition can satisfy different QoS control and charging demand.
In the 3GPP PCC framework, subscriber equipment (User Equipment, UE) be communicated with access network (IP Connectivity Access Network by setting up IP, IP-CAN) (the PacketData Network of session connection Packet Data Network, PDN), when setting up the IP-CAN session, PDN is UE distributing IP address, each IP-CAN session can be unique definite by IP address and/or the UE sign of PDN sign and UE, the PDN sign can be Access Point Name word (Access Point Name, APN), i.e. IP-CAN session can be determined by APN+ (the IP address of UE and/or UE sign) is unique.PDN Gateway (Gateway, GW) with policy control and charging regulation function entity (Policy Control and Charging Rules Function, PCRF) set up the Gx session between, be used for the transmission IP-CAN session information corresponding with this Gx session; Application level function entity (Application Function, AF) is set up AF session transmissions business information with PCRF simultaneously.PCRF formulates the PCC strategy according to business information with the IP-CAN session information related with business information.Under existing non-roaming scene, only has a PCRF in the framework, AF directly and this PCRF contact, PCRF can obtain the PDN sign corresponding with this AF session, when setting up simultaneously the AF session, each AF session needs the IP address of corresponding UE sign and/or UE, therefore PCRF can identify according to PDN+(the IP address of UE sign and/or UE) unique definite AF session, and, according to above-mentioned analysis, each IP-CAN session also can identify by PDN+and (the IP address of UE and/or UE sign) is unique to be determined, just can realize the related of AF session and IP-CAN session according to PDN sign+(the IP address of UE sign and/or UE) like this, and then PCRF can be tactful according to business information and IP-CAN session information formulation PCC that the AF session that is associated provides.Yet, under roaming scence, comprise two PCRF in the 3GPP PCC framework, one is ownership place PCRF (HPCRF), another is visited place PCRF (VPCRF), and the business information that the related AF session of HPCRF needs provides and IP-CAN session information are to carry out the PCC policy development.Because AF is direct and VPCRF contacts, VPCRF can know that PDN sign corresponding to AF session reaches and the IP-CAN session of AF session association, but carry out the HPCRF of PCC policy development and AF not in one network, HPCRF can not determine the PDN sign of AF session, only can not uniquely determine an AF session according to the IP address of UE sign and/or UE, therefore can not realize the related of AF session and IP-CAN session.
The inventor finds prior art in realizing process of the present invention there are the following problems at least: prior art only provides the related of business information that the AF session under the non-roaming scene provides and IP-CAN session information, does not solve the related question of the HPCRF business information that session provides to AF and IP-CAN session information under the roaming scence.
Summary of the invention
The embodiment of the invention provides a kind of business information method related with the IP-CAN session information and the network equipment, and the business information under the realization roaming scence is related with the IP-CAN session information.
The embodiment of the invention provides a kind of business information the method related with the IP-CAN session information, comprising:
Receive application layer conversation, carry business information in the described application layer conversation;
Carry identification information in the message of the described business information of transmission, described identification information is used for related described business information and is communicated with access network IP-CAN session information with IP.
The embodiment of the invention also provides a kind of network equipment, comprising:
Receiver module is used for receiving application layer conversation, carries business information in the described application layer conversation;
Sending module is used for carrying identification information in the message of the described business information of transmission, and described identification information is used for related described business information and IP-CAN session information.
As shown from the above technical solution, the embodiment of the invention is by carrying the identification information for associated services information and IP-CAN session information in the message of transport service information, can realize that business information is related with the IP-CAN session information, and then can under roaming scence, make HPCRF formulate corresponding PCC strategy according to business information and the IP-CAN session information of association.
Description of drawings
Fig. 1 is business information of the present invention schematic network structure corresponding to method related with the IP-CAN session information;
Fig. 2 is the schematic flow sheet of the business information of the present invention embodiment of the method related with the IP-CAN session information one;
Fig. 3 is the schematic flow sheet of the business information of the present invention embodiment of the method related with the IP-CAN session information two;
Fig. 4 is the schematic flow sheet of the business information of the present invention embodiment of the method related with the IP-CAN session information three;
Fig. 5 is the schematic flow sheet of the business information of the present invention embodiment of the method related with the IP-CAN session information four;
Fig. 6 is the schematic flow sheet of the business information of the present invention embodiment of the method related with the IP-CAN session information five;
Fig. 7 is the structural representation of network equipment embodiment one of the present invention;
Fig. 8 is the structural representation of network equipment embodiment two of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Fig. 1 is business information of the present invention schematic network structure corresponding to method related with the IP-CAN session information.Referring to Fig. 1, under roaming scence, PCRF comprises ownership place PCRF (HPCRF) 11 and visited place PCRF (VPCRF) 12, UE14 and PDN set up the IP-CAN session, transmit the IP-CAN session information by PDN GW13 to VPCRF12, AF15 and VPCRF12 set up the AF session, and business information is provided.VPCRF12 is transferred to HPCRF11 by the S9 interface with the business information that IP-CAN session information and AF session provide, and HPCRF11 formulates the PCC strategy according to the IP-CAN session information of the business information in the AF session and associated.The following examples are take network configuration shown in this Fig and the network equipment as example.
Transmit the business information that a plurality of IP-CAN session informations and a plurality of AF session provide in the prior art in the S9 interface, accurately generate strategy in order to make HPCRF, need associated services information and IP-CAN session information.
Fig. 2 is the schematic flow sheet of the business information of the present invention embodiment of the method related with the IP-CAN session information one, and this embodiment comprises:
Step 21:VPCRF receives the AF session that AF sends, and carries business information in this AF session.
Step 22:VPCRF sends message to HPCRF, carries business information and identification information in this message, and this identification information is used for associated services information and IP-CAN session.Wherein, this identification information can be to determine behind VPCRF associated services information and the IP-CAN session information, in this case, HPCRF can directly obtain the business information related with the IP-CAN session information, perhaps, HPCRF can be according to this identification information associated services information and IP-CAN session information.
Present embodiment is by carrying the identification information for associated services information and IP-CAN session information in the message of transport service information, can make HPCRF determine the incidence relation of business information and IP-CAN session information, can accurately formulate the PCC strategy according to this incidence relation.
Fig. 3 is the schematic flow sheet of the business information of the present invention embodiment of the method related with the IP-CAN session information two, and this embodiment comprises:
Step 31:UE transmits the IP-CAN session information by PDN GW to VPCRF.When UE and PDN set up the IP-CAN session, PDN GW was UE distributing IP address, and for the UE by same PDN access, the IP address of UE is different.Therefore can uniquely determine an IP-CAN session by PDN sign+(the IP address of UE is or/and the UE sign), APN+ (the IP address of UE is or/and the UE sign) also can uniquely determine a UE simultaneously, i.e. IP-CAN session, UE and APN+ (the IP address of UE is or/and the UE sign) are mutually one to one.
Step 32:VPCRF will be transmitted to HPCRF from the IP-CAN session information of PDN GW.Store simultaneously the session information of each IP-CAN session among the VRCPF.
Wherein, step 31-32 is prior art, can process with reference to prior art.
Step 33:AF and VPCRF set up the AF session, wherein carry business information.
Step 34:VPCRF determines and the IP-CAN session of AF session association according to the IP-CAN session information of storage, obtains the network identity (take APN as example) in the IP-CAN session that is associated, and this network identity is added in the message of transport service information.For example, add a property value parameter (Attribute Value Parameter, AVP)-Called-Station-ID in this message, this AVP is used for carrying APN.Be that VPCRF passes through APN associated services information and IP-CAN session information.
Step 35:VPCRF will carry the transmission of messages of business information and APN to HPCRF.Therefore, HPCRF can obtain business information and the IP-CAN session information related with this business information, can formulate the PCC strategy according to business information and the IP-CAN session of association.
Present embodiment is by obtaining the APN with the IP-CAN session of AF session association, realizes the related of business information and IP-CAN session information by VPCRF, and the APN in this IP-CAN session is carried in the message of transport service information.HPCRF receives be with the IP-CAN session association after business information, can directly formulate the PCC strategy according to the business information after the association.
Fig. 4 is the schematic flow sheet of the business information of the present invention embodiment of the method related with the IP-CAN session information three, and this embodiment comprises:
Step 41:UE transmits the IP-CAN session information by PDN GW to VPCRF.
Step 42:VPCRF will be transmitted to HPCRF from the IP-CAN session information of PDN-GW.Store simultaneously the session information of each IP-CAN session among the VRCPF.
Wherein, step 41-42 is prior art, can process with reference to prior art.
Step 43:AF and VPCRF set up the AF session, wherein carry business information.
Step 44:VPCRF determines and the IP-CAN session of AF session association according to the IP-CAN session information of storage, obtains the session identification of the IP-CAN session that is associated, and this session identification is added in the message of transport service information.For example, add an Acct-Multi-Session-IdAVP in this message, this AVP is used for carrying IP-CAN session identification (Session ID).Be that VPCRF passes through to increase IP-CAN session identification associated services information and IP-CAN session information in the message of transport service information.
Step 45:VPCRF will carry the transmission of messages of business information and IP-CAN session identification to HPCRF.Therefore, HPCRF can obtain business information and the IP-CAN session information related with this business information, can formulate the PCC strategy according to business information and the IP-CAN session of association.
Present embodiment is by obtaining the session identification with the IP-CAN session of AF session association, realize the related of business information and IP-CAN session information by VPCRF, and the mode of the session identification in this IP-CAN session by increase is carried in the message of transport service information.HPCRF receives be with the IP-CAN session association after business information, can directly formulate the PCC strategy according to the business information after the association.
Fig. 5 is the schematic flow sheet of the business information of the present invention embodiment of the method related with the IP-CAN session information four, and this embodiment comprises:
Step 51:UE transmits the IP-CAN session information by PDN GW to VPCRF.
Step 52:VPCRF will be transmitted to HPCRF from the IP-CAN session information of PDN-GW.Store simultaneously the session information of each IP-CAN session among the VRCPF.
Wherein, step 51-52 is prior art, can process with reference to prior art.
Step 53:AF and VPCRF set up the AF session, wherein carry business information.
Step 54:VPCRF determines and the IP-CAN session of AF session association according to the IP-CAN session information of storage, obtains the session identification of the IP-CAN session that is associated, and this session identification is multiplexing in the message of transport service information.Different from embodiment three is, the session identification that not only comprises this message itself among the embodiment three in the message of transport service information, also comprise the IP-CAN session identification, and the session identification in this message only has the IP-CAN session identification in the present embodiment, namely with the session identification in the message of the alternative transport service information of IP-CAN session identification.Be that VPCRF passes through multiplexing IP-CAN session identification associated services information and IP-CAN session information in the message of transport service information.For example, be the IP-CAN session identification with the content replacement among the session identity fields Session-Id of this message.Owing to may there be the AF session of the corresponding a plurality of business information of an IP-CAN session, in order to distinguish this a plurality of AF sessions, can in this message, add a Sub-Session-Id AVP, wherein add the service identification of business information, guarantee that HPCRF can distinguish different AF sessions.
Step 55:VPCRF will carry the transmission of messages of business information and IP-CAN session identification to HPCRF.Therefore, HPCRF can obtain business information and the IP-CAN session information related with this business information, can formulate the PCC strategy according to business information and the IP-CAN session of association
Present embodiment is by obtaining the session identification with the IP-CAN session of AF session association, realize the related of business information and IP-CAN session information by VPCRF, and the session identification in this IP-CAN session is carried in the message of transport service information by multiplexing mode.HPCRF receives be with the IP-CAN session association after business information, can directly formulate the PCC strategy according to the business information after the association.
Fig. 6 is the schematic flow sheet of the embodiment of the method five of transport service information of the present invention, and this embodiment comprises:
Step 61:UE transmits the IP-CAN session information by PDN GW to VPCRF.
Step 62:VPCRF will be transmitted to HPCRF from the IP-CAN session information of PDN GW.Store simultaneously the session information of each IP-CAN session among the VRCPF.
Wherein, step 61-62 is prior art, can process with reference to prior art.
Step 63:AF and VPCRF set up the AF session, wherein carry business information, also carry the APN corresponding with this AF session.For example, can add a Called-Station-ID AVP, wherein carry this APN.
Step 64:VPCRF directly transmits this message that carries business information and APN to HPCRF.Owing to carry the APN corresponding with business information in this message, HPCRF just can identify or/and the IP address of UE is related with the IP-CAN session information with this business information according to this APN and UE.Be that HPCRF is by the APN associated services information corresponding with business information and IP-CAN session information.
Present embodiment is by directly carrying the APN corresponding with business information in the AF session, related by HPCRF finishing service information and IP-CAN session information.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Fig. 7 is the structural representation of network equipment embodiment one of the present invention, and this embodiment can be applied among the VPCRF, and this embodiment comprises receiver module 71 and sending module 72.Receiver module 71 is used for receiving the AF session of carrying business information that AF sends; Sending module 72 is used for carrying described business information and identification information to the message of HPCRF transmission, and described identification information is used for related described business information and IP-CAN session information.
Present embodiment is by carrying the identification information for associated services information and IP-CAN session information in the message of transport service information, can make HPCRF determine the incidence relation of business information and IP-CAN session information, can accurately formulate the PCC strategy according to this incidence relation.
Fig. 8 is the structural representation of network equipment embodiment two of the present invention, compare with embodiment one, sending module 72 among this embodiment comprises that specifically the first acquisition module 81 and first adds module 82, wherein, the first acquisition module 81 is used for obtaining the network identity with the IP-CAN session of AF session association, described network identity is used to indicate the network of subscriber equipment access, and this network identity can be APN; First adds module 82, is used for adding described network identity in the message of the described business information of transmission.
Perhaps, the sending module among this embodiment comprises that specifically the second acquisition module and second adds module; The second acquisition module is used for obtaining the session identification with the IP-CAN session of AF session association; Second adds module, is used for adding described session identification in the message of the described business information of transmission.
Perhaps, the sending module among this embodiment specifically comprises the second acquisition module and Multiplexing module, and the second acquisition module is used for obtaining the session identification with the IP-CAN session of AF session association; Multiplexing module is used for the multiplexing described session identification of message in the described business information of transmission, and in order to distinguish different AF sessions, Multiplexing module can also be used for adding the service identification corresponding with described business information in the message of the described business information of transmission simultaneously.
Perhaps, also carry network identity in the AF session that the receiver module in the present embodiment receives, described network identity is used to indicate the network of subscriber equipment access, and this network identity can be APN; Described sending module specifically is used for transmitting the message of carrying described business information and network identity.
The embodiment of the invention has solved the problem that business information is associated with the IP-CAN session information by different modes, can be applied under the different roaming scences.
It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.
Claims (12)
1. the method that business information is related with the IP-CAN session information is characterized in that, comprising:
Visited place policy control and charging regulation function entity VPCRF receive application layer conversation, carry business information in the described application layer conversation;
Described visited place policy control and charging regulation function entity VPCRF carry identification information in the message of the described business information of transmission, described message is sent to ownership place policy control and charging regulation function entity HPCRF, and described identification information is used for related described business information and is communicated with access network IP-CAN session information with IP.
2. method according to claim 1 is characterized in that, carries identification information and comprise in the message of the described business information of transmission:
Obtain the network identity of the IP-CAN session related with described application layer conversation, described network identity is used to indicate the network of subscriber equipment access;
In the message of the described business information of transmission, add described network identity.
3. method according to claim 1 is characterized in that, carries identification information and comprise in the message of the described business information of transmission:
Obtain the session identification of the IP-CAN session related with described application layer conversation;
In the message of the described business information of transmission, add described session identification.
4. method according to claim 1 is characterized in that, carries identification information and comprise in the message of the described business information of transmission:
Obtain the session identification of the IP-CAN session related with described application layer conversation;
Multiplexing described session identification in the message of the described business information of transmission.
5. method according to claim 1 is characterized in that, also carries network identity in the described application layer conversation, and described network identity is used to indicate the network of subscriber equipment access; Carrying identification information in the message of the described business information of transmission is specially: transmit the message of carrying described business information and network identity.
6. method according to claim 4 is characterized in that, also adds the service identification corresponding with described business information in the message of the described business information of transmission.
7. a network equipment is characterized in that, the described network equipment is visited place policy control and charging regulation function entity VPCRF, comprising:
Receiver module is used for receiving application layer conversation, carries business information in the described application layer conversation;
Sending module is used for carrying identification information in the message of the described business information of transmission, and described message is sent to ownership place policy control and charging regulation function entity HPCRF, and described identification information is used for related described business information and IP-CAN session information.
8. the network equipment according to claim 7 is characterized in that, described sending module comprises:
The first acquisition module is used for obtaining the network identity of the IP-CAN session related with described application layer conversation, and described network identity is used to indicate the network of subscriber equipment access;
First adds module, is used for adding described network identity in the message of the described business information of transmission.
9. the network equipment according to claim 7 is characterized in that, described sending module comprises:
The second acquisition module is used for obtaining the session identification of the IP-CAN session related with described application layer conversation;
Second adds module, is used for adding described session identification in the message of the described business information of transmission.
10. the network equipment according to claim 7 is characterized in that, described sending module comprises:
The second acquisition module is used for obtaining the session identification of the IP-CAN session related with described application layer conversation;
Multiplexing module is used for the multiplexing described session identification of message in the described business information of transmission.
11. the network equipment according to claim 7 is characterized in that:
Also carry network identity in the application layer conversation that described receiver module receives, described network identity is used to indicate the network of subscriber equipment access;
Described sending module specifically is used for transmitting the message of carrying described business information and network identity.
12. the network equipment according to claim 10 is characterized in that: described Multiplexing module also is used for adding the service identification corresponding with described business information in the message of the described business information of transmission.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102111740B (en) * | 2009-12-24 | 2015-07-22 | 中兴通讯股份有限公司 | Multi-access supported policy charging controlling method and system |
| CN102905390B (en) * | 2011-07-26 | 2017-12-01 | 中兴通讯股份有限公司 | Session association methods, devices and systems |
| CN102223240B (en) * | 2011-07-29 | 2014-12-03 | 华为技术有限公司 | Method for providing services, service agency device and policy and charging rules function device |
| CN105764043A (en) * | 2014-12-15 | 2016-07-13 | 中国移动通信集团公司 | Session binding method, PCRF, and session binding system |
| CN109429370B (en) * | 2017-06-24 | 2021-03-02 | 华为技术有限公司 | Information processing method and device |
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