CN104219783B - A kind of session redirection method and apparatus - Google Patents
A kind of session redirection method and apparatus Download PDFInfo
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- CN104219783B CN104219783B CN201310222127.3A CN201310222127A CN104219783B CN 104219783 B CN104219783 B CN 104219783B CN 201310222127 A CN201310222127 A CN 201310222127A CN 104219783 B CN104219783 B CN 104219783B
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Abstract
The invention discloses a kind of session redirection method and apparatus, and applied in PCC systems, the PCC systems include at least two route agent DRA, and methods described includes：DRA receives the Rx session requests that Application Function AF is sent；The DRA judges itself whether be stored with information corresponding with the Rx session requests；When judged result is no, the Rx session requests are forwarded to another DRA by the DRA, or the DRA notifies the AF to send the Rx session requests to another DRA.By using the present invention, it is ensured that the association of Gx sessions and Rx sessions, so as to improve the success rate of binding session.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of session redirection method and apparatus.
Background technology
In order to provide the user with the service of differentiation, PCC is introduced in a network（Policy Control and
Charging, policy control and charging）Framework, PCC main definitions policy control and the charging control function based on stream, has
The management and control ability and end-to-end QoS of multiple dimensions such as flow, position/time, access style are used based on business, user, accumulation
（Priority is set）, stream control, gate and the management and control means such as differentiated charging.
In PCC controls basic procedure, networked users pass through GGSN（Gateway GPRS Support Node, gateway
GPRS Support Node, GPRS, General Packet Radio Service, general packet radio service technology）Log in business
Server carry out business, after service server receives business request information, will and policy agent（PA）Letter in terms of carry out business
Service message is issued to PCRF by breath interaction, PA（Policy and Charging Rules Function, strategy are advised with charging
Then functional unit）, further, PCRF uses the business information from PA, with reference to strategy and the charging control that user is obtained from SPR
Signing information processed and from PCEF（Policy and Charging Enforcement Function, strategy and charging perform
Function）Gx interfaces user profile, generation control strategy simultaneously be issued to PCEF, PCEF performs the strategy of the business-level, from
And realize the tactful management and control to user.
Primary interface in PCC frameworks is Rx interface and Gx interfaces, wherein, if directly being connect using the Rx of Diameter
Mouthful, then Rx interface is AF（Application Function, Application Function）With PCRF interface, if using XML
（Extensible Markup Language, extensible markup language）Etc. Internet protocol, then need between AF and PCRF
Increase by one is used for the platform that XML protocol etc. is converted to Diameter, and the interface between the platform and PCRF connects for Rx
Mouthful.PCRF carries out strategic decision-making according to information such as business, and Gx interfaces are the reference points between PCEF and PCRF, by the interface,
The foundation and maintenance of IP-CAN session connections can be realized；PCC decision request is initiated from PCEF to PCRF；PCRF dynamic controls
The functions such as the PCC behaviors on PCEF.Wherein, when session establishment is asked, PCEF includes private network IP, user to the information that PCRF is transmitted
Code number（Such as IMSI, MSISDN）Information etc., these information can be used as user to identify.
In PCC frameworks, user, which reaches the standard grade, Gx sessions is established between PCEF and PCRF, when user's access service（This Shen
Data services are please mainly discussed）When, Rx sessions are established between AF and PCRF and business information is transferred to PCRF.It is only same
On same PCRF, the PCRF could produce the management and control plan suitable for the user for the Gx sessions of individual user and Rx session associations
Slightly, otherwise PCRF is unable to synthetic user information, signing information, business information generation strategy, and PCC management and control flow can not be completed, DRA
AF can directly be refused（Application Function, Application Function）The session request of initiation.
In order to disaster-tolerant backup consider, one provincial capital of existing network be deployed to DRA（Diameter Routing Agent,
Route agent）, when the more set DRA equipment of deployment, Gx sessions and Rx sessions can be associated with different DRA at random, now can
Gx sessions are caused can not to be successfully successfully associated with Rx session associations, and due to usually being derived from for security consideration, DRA equipment
Distinct device manufacturer, the DRA device resources between different vendor synchronously realize it is difficult, therefore, it is impossible to by way of source synchronous
Realize the association of Gx sessions and Rx sessions.
In the prior art, also without solution when multiple DRA be present, because Gx sessions and Rx sessions can be associated with random
Session association caused by different DRA fails the scheme of this technical problem.
The content of the invention
The problem to be solved in the present invention is to ensure the association of Gx sessions and Rx sessions how when multiple DRA be present, so as to
Improve the success rate of binding session.
In order to solve the above technical problems, the embodiments of the invention provide a kind of session redirection method, controlled applied to strategy
In system and charging PCC systems, the PCC systems include at least two route agent DRA, and methods described includes：
DRA receives the Rx session requests that Application Function AF is sent；
The DRA judges itself whether be stored with information corresponding with the Rx session requests；
When judged result is no, the Rx session requests are forwarded to another DRA, or DRA notices institute by the DRA
AF is stated to send the Rx session requests to another DRA.
Preferably, the DRA judges itself whether be stored with information corresponding with the Rx session requests, specifically includes：
The DRA judges itself whether be stored with the Gx interface message corresponding with the Rx session requests or IP-CAN meetings
Talk about related information.
Preferably, the Rx session requests are forwarded to another DRA by the DRA, are specifically included：
The Rx session requests are forwarded to another DRA by the DRA according to the DRA lists itself stored.
Preferably, the DRA notifies the AF to send the Rx session requests to another DRA, specifically includes：
The DRA sends response message to the AF, and the host name of another DRA is carried in the response message,
So that host name of the AF according to another DRA, the Rx session requests are sent to another DRA.
Preferably, the DRA notifies the AF to send the Rx session requests to another DRA, specifically includes：
The DRA sends response message to the AF, and the host name including other DRA is carried in the response message
DRA lists, so that host name of the AF according to other DRA, a DRA thereto send the Rx session requests.
Preferably, the DRA notifies the AF to send the Rx session requests to another DRA, specifically includes：
The DRA sends refuse information to the AF, so that masters of the AF according to DRA in the DRA lists itself stored
Machine name, a DRA thereto send the Rx session requests.
The embodiment of the present invention additionally provides a kind of session redirection method, applied in PCC systems, in the PCC systems
Including at least two DRA, methods described includes：
AF sends Rx session requests to DRA；
The AF receives the message that the DRA is sent according to the Rx session requests, and according to the message to another DRA
Send the Rx session requests.
Preferably, the AF receives the message that the DRA is sent according to the Rx session requests, and according to the message to
Another DRA sends the Rx session requests, specifically includes：
The AF receives the response message that the DRA is sent, and obtains another DRA carried in the response message main frame
Name；
The AF sends the Rx session requests according to the host name of another DRA to another DRA.
Preferably, the AF receives the message that the DRA is sent according to the Rx session requests, and according to the message to
Another DRA sends the Rx session requests, specifically includes：
The AF receives the response message that the DRA is sent, obtain carried in the response message including other DRA
The DRA lists of host name；
The AF sends the Rx session requests according to other described DRA lists, a DRA thereto.
Preferably, the AF receives the message that the DRA is sent according to the Rx session requests, and according to the message to
Another DRA sends the Rx session requests, specifically includes：
The AF receives the refuse information that the DRA is sent；
The AF is according to the host name of other DRA in the DRA lists itself stored, described in a DRA thereto is sent
Rx session requests.
The embodiment of the present invention additionally provides a kind of DRA, applied in policy control and charging PCC systems, the PCC systems
Include at least two DRA, the DRA includes：
Receiving module, for receiving the Rx session requests of AF transmissions；
Judge module, whether the Rx session requests for being received according to the receiving module judge itself to be stored with and institute
State information corresponding to Rx session requests；
Sending module, for when the judged result of the judge module is no, the Rx session requests to be forwarded to separately
One DRA, or notify the AF to send the Rx session requests to another DRA.
Preferably, the judge module, it is corresponding with the Rx session requests specifically for judging itself whether to be stored with
Gx interface messages or IP-CAN session association information.
Preferably, the sending module, specifically for the DRA lists stored according to itself, the Rx session requests are turned
It is sent to another DRA.
Preferably, the sending module, specifically for sending response message to the AF, carried in the response message
The host name of another DRA, so that host name of the AF according to another DRA, the Rx is sent to another DRA
Session request.
Preferably, the sending module, specifically for sending response message to the AF, carried in the response message
The DRA lists of host name including other DRA, so that host name of the AF according to other DRA, thereto one
DRA sends the Rx session requests.
Preferably, the sending module, specifically for sending refuse information to the AF, so that the AF deposits according to itself
DRA host name in the DRA lists of storage, a DRA thereto send the Rx session requests.
The embodiment of the present invention additionally provides a kind of AF, applied in PCC systems, it is characterised in that is wrapped in the PCC systems
At least two DRA are included, the AF includes：
Sending module, for sending Rx session requests, and the message for being received according to receiving module to DRA, to
Another DRA sends the Rx session requests；
The receiving module, the message sent for receiving the DRA according to the Rx session requests.
Preferably, the receiving module, the response message sent specifically for receiving the DRA, obtain the response and disappear
Another DRA carried in breath host name；
The sending module, specifically for another DRA received according to the receiving module host name, to institute
State another DRA and send the Rx session requests.
Preferably, the receiving module, the response message sent specifically for receiving the DRA, obtain the response and disappear
The DRA lists of the host name including other DRA carried in breath；
The sending module, specifically for the DRA lists received according to the receiving module, thereto one
DRA sends the Rx session requests.
Preferably, the receiving module, the refuse information sent specifically for receiving the DRA；
The sending module, specifically for after the receiving module receives the refuse information, being stored according to itself
DRA lists in other DRA host name, a DRA thereto sends the Rx session requests.
Brief description of the drawings
Fig. 1 is a kind of system architecture schematic diagram of PCC systems provided by the present invention；
Fig. 2 is a kind of session redirection method provided in an embodiment of the present invention；
Fig. 3 is a kind of session redirection method provided in an embodiment of the present invention；
Fig. 4 is a kind of session redirection method provided in an embodiment of the present invention；
Fig. 5 is a kind of session redirection method provided in an embodiment of the present invention；
Fig. 6 is a kind of session redirection method provided in an embodiment of the present invention；
Fig. 7 is a kind of DRA structural representation provided in an embodiment of the present invention；
Fig. 8 is a kind of AF structural representation provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described, shown
So, described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
As shown in figure 1, be a kind of system architecture schematic diagram of PCC systems provided by the present invention, in the schematic diagram, with
AF is directly accessed exemplified by PCRF by DRA and is described, and certain AF can also pass through PC（Protocol Converter, agreement
Converter）PCRF is accessed with DRA, specific implementation flow is identical directly by DRA accesses PCRF with AF, in the schematic diagram, with
DRA is described exemplified by being two, certainly, can be according to being actually needed any increase DRA quantity when actually arranging net.
As shown in Fig. 2 it is a kind of session redirection method provided in an embodiment of the present invention, applied to including at least two
In DRA PCC systems, comprise the following steps：
Step 201, AF sends Rx session requests to DRA.
Step 202, DRA receives the Rx session requests that AF is sent.
Step 203, DRA judges itself whether be stored with information corresponding with Rx session requests, if the determination result is YES, holds
Row step 204, otherwise perform step 205.
Preferably, DRA may determine that itself whether be stored with the Gx interface message corresponding with RX session requests or IP-
CAN session association information.
Specifically, DRA is receiving the Gx requests of PCEF transmissions, code number, the IP address of the terminal wherein carried can be recorded
And PCRF host name（Host）, when the DRA receives the Rx session requests of AF transmissions, obtain the terminal wherein carried
IP address, and search whether according to the IP address host name that corresponding PCRF be present.Certainly, in addition to IP address, DRA
The information such as the private network domain of the terminal carried in Rx session requests can also be obtained, and according to information searchings such as IP address, private network domains
With the presence or absence of corresponding PCRF host name.
Step 204, Rx session requests are routed to PCRF by DRA, to establish Rx sessions.
Step 205, DRA notifies AF to send Rx session requests to another DRA, and performs step 206, or DRA is by Rx meetings
Words request is forwarded to another DRA.
Preferably, another DRA is forwarding Rx session requests or notifies AF to resend the DRA of Rx session requests load
Share DRA.
Step 206, AF receives the message that the DRA is sent, and sends the Rx sessions to another DRA according to the message
Request.
By using the present invention, it is ensured that the association of Gx sessions and Rx sessions, so as to improve the success rate of binding session.
With reference to specific embodiment, the present invention will be described in detail, in the examples below, with PGW with
Being established between DRA2 has Gx sessions, i.e., the Gx interface message related to user or IP-CAN session associations letter are stored with DRA2
Breath, when user's access service, AF initiates to be described exemplified by Rx session requests to DRA1.
As shown in figure 3, being a kind of session redirection method provided in an embodiment of the present invention, comprise the following steps：
Step 301, DRA1 receives the Rx session requests that AF is sent, and determines itself not to be stored with corresponding with Rx session requests
Information.
Step 302, Rx session requests are forwarded to another DRA by DRA1 according to the DRA lists itself stored.
When the DRA more than two in system, Rx session requests may need repeatedly forwarding to be just forwarded to DRA2,
In this case, it is preferred that DRA, can be in the DRA lists being locally stored when receiving the Rx session requests of other DRA forwardings
In, the DRA for sending the Rx session requests is identified, and when forwarding Rx session requests to another DRA, while will identify
DRA host name be sent to another DRA, DRA is no longer sent when sending the Rx session requests to labeled DRA, with
Avoid DRA from being forwarded to Rx session requests and have determined the DRA for not being stored with information corresponding with Rx session requests.
In embodiments of the present invention, it is improved to for DRA：DRA receive AF transmission Rx session requests after, when it is determined that
When itself does not store information corresponding with Rx session requests, do not refuse the Rx session requests directly, but by the Rx session requests
It is forwarded to the DRA of its load sharing.
As shown in figure 4, it is another session redirection method provided in an embodiment of the present invention, in the present embodiment, DRA's
Quantity is two, is comprised the following steps：
Step 401, DRA1 receives the Rx session requests that AF is sent, and determines itself not to be stored with corresponding with Rx session requests
Information.
Step 402, DRA1 sends response message to AF, and DRA2 host name is carried in response message.
Step 403, AF receives response message, and according to the host name wherein carried, Rx session requests are sent to DRA2.
In embodiments of the present invention, it is improved to for DRA：DRA receive AF transmission Rx session requests after, when it is determined that
When itself does not store information corresponding with Rx session requests, do not refuse the Rx session requests directly, but by another DRA master
Machine name informs AF, and Rx session requests are initiated again according to the host name by AF.
As shown in figure 5, it is another session redirection method provided in an embodiment of the present invention, in the present embodiment, DRA's
Quantity more than two, comprises the following steps：
Step 501, DRA1 receives the Rx session requests that AF is sent, and determines itself not to be stored with corresponding with Rx session requests
Information.
Step 502, DRA1 sends response message to AF, and the DRA of the host name including other DRA is carried in response message
List.
Step 503, AF receives response message, and sends Rx meetings according to other DRA host name, a DRA thereto
Words request.
Preferably, AF can enter when sending Rx session requests in DRA lists to the purpose DRA of the Rx session requests
Line flag, when sending the Rx session requests again, no longer sent to labeled DRA, to avoid AF from sending out Rx session requests
Deliver to the DRA for having determined and not being stored with information corresponding with Rx session requests.
In embodiments of the present invention, it is improved to for DRA：DRA receive AF transmission Rx session requests after, when it is determined that
When itself does not store information corresponding with Rx session requests, the Rx session requests are not refused directly, but being sent to AF includes removing
The DRA lists of the host name of all DRA outside itself.For being improved to for AF：When receiving the DRA lists of DRA1 transmissions, AF
DRA can be selected to send Rx session requests from DRA lists.
As shown in fig. 6, being another session redirection method provided in an embodiment of the present invention, comprise the following steps：
Step 601, DRA1 receives the Rx session requests that AF is sent, and determines itself not to be stored with corresponding with Rx session requests
Information.
Step 602, DRA1 sends refuse information to AF.
Step 603, AF is according to the host name of other DRA in the DRA lists itself stored, DRA transmissions thereto
Rx session requests.
Preferably, AF can enter when sending Rx session requests in DRA lists to the purpose DRA of the Rx session requests
Line flag, when sending the Rx session requests again, no longer sent to labeled DRA, to avoid AF from sending out Rx session requests
Deliver to the DRA for having determined and not being stored with information corresponding with Rx session requests.
In embodiments of the present invention, it is improved to for AF：The host name including all DRA is pre-configured with AF
DRA lists, AF is when receiving the refuse information of DRA transmissions, according to the host name in DRA lists, to another DRA in addition to DRA
Send Rx session requests.
Based on additionally providing a kind of DRA with the same or analogous technical concept of above method embodiment, the embodiment of the present invention,
Applied in policy control and charging PCC systems, the PCC systems include at least two DRA, as shown in fig. 7, being the present invention
A kind of structural representation for DRA that embodiment provides, the DRA include：
Receiving module 701, for receiving the Rx session requests of AF transmissions；
Judge module 702, the Rx session requests for being received according to the receiving module 701 judge whether itself stores
There is information corresponding with the Rx session requests；
Sending module 703, for when the judged result of the judge module 702 is no, the Rx session requests to be turned
Another DRA is dealt into, or notifies the AF to send the Rx session requests to another DRA.
Preferably, the judge module, it is corresponding with the Rx session requests specifically for judging itself whether to be stored with
Gx interface messages or IP-CAN session association information.
Preferably, the sending module, specifically for the DRA lists stored according to itself, the Rx session requests are turned
It is sent to another DRA.
Preferably, the sending module, specifically for sending response message to the AF, carried in the response message
The host name of another DRA, so that host name of the AF according to another DRA, the Rx is sent to another DRA
Session request.
Preferably, the sending module, specifically for sending response message to the AF, carried in the response message
The DRA lists of host name including other DRA, so that host name of the AF according to other DRA, thereto one
DRA sends the Rx session requests.
Preferably, the sending module, specifically for sending refuse information to the AF, so that the AF deposits according to itself
DRA host name in the DRA lists of storage, a DRA thereto send the Rx session requests.
Based on additionally providing a kind of AF with the same or analogous technical concept of above method embodiment, the embodiment of the present invention,
Applied in PCC systems, the PCC systems include at least two DRA, as shown in figure 8, being provided in an embodiment of the present invention one
Kind AF structural representation, the AF include：
Sending module 801, for sending Rx session requests to DRA, and disappear for what is received according to receiving module 802
Breath, the Rx session requests are sent to another DRA；
The receiving module 802, the message sent for receiving the DRA according to the Rx session requests.
Preferably, the receiving module, the response message sent specifically for receiving the DRA, obtain the response and disappear
Another DRA carried in breath host name；
The sending module, specifically for another DRA received according to the receiving module host name, to institute
State another DRA and send the Rx session requests.
Preferably, the receiving module, the response message sent specifically for receiving the DRA, obtain the response and disappear
The DRA lists of the host name including other DRA carried in breath；
The sending module, specifically for the DRA lists received according to the receiving module, thereto one
DRA sends the Rx session requests.
Preferably, the receiving module, the refuse information sent specifically for receiving the DRA；
The sending module, specifically for after the receiving module receives the refuse information, being stored according to itself
DRA lists in other DRA host name, a DRA thereto sends the Rx session requests.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required general hardware platform to realize, naturally it is also possible to which by hardware, but the former is more in many cases
Good embodiment.Based on such understanding, what technical scheme substantially contributed to prior art in other words
Part can be embodied in the form of software product, and the computer software product is stored in a storage medium, if including
It is dry to instruct to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Perform this hair
Method described in bright each embodiment.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module or stream in accompanying drawing
Journey is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in embodiment can describe be divided according to embodiment
It is distributed in the device of embodiment, respective change can also be carried out and be disposed other than in one or more devices of the present embodiment.On
The module for stating embodiment can be merged into a module, can also be further split into multiple submodule.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Disclosed above is only several specific embodiments of the present invention, and still, the present invention is not limited to this, any ability
What the technical staff in domain can think change should all fall into protection scope of the present invention.
Claims (6)
- A kind of 1. session redirection method, applied in policy control and charging PCC systems, it is characterised in that the PCC systems Include at least two route agent DRA, methods described includes：DRA receives the Rx session requests that Application Function AF is sent；The DRA judges itself whether be stored with information corresponding with the Rx session requests；When judged result is no, the Rx session requests are forwarded to another DRA by the DRA, or the DRA notifies the AF The Rx session requests are sent to another DRA；The DRA judges itself whether be stored with information corresponding with the Rx session requests, specifically includes：The DRA judges that itself whether being stored with the Gx interface message corresponding with the Rx session requests or IP-CAN sessions closes Join information；The DRA notifies the AF to send the Rx session requests to another DRA, specifically includes：The DRA sends response message to the AF, and the host name of another DRA is carried in the response message, so that The AF sends the Rx session requests according to the host name of another DRA to another DRA；Or the DRA sends response message to the AF, and the host name including other DRA is carried in the response message DRA lists so that host name of the AF according to other DRA, a DRA thereto sends the Rx sessions please Ask；Or the DRA sends refuse information to the AF, so that masters of the AF according to DRA in the DRA lists itself stored Machine name, a DRA thereto send the Rx session requests.
- 2. the method as described in claim 1, it is characterised in that the Rx session requests are forwarded to another DRA by the DRA, Specifically include：The Rx session requests are forwarded to another DRA by the DRA according to the DRA lists itself stored.
- 3. a kind of session redirection method, applied in PCC systems, it is characterised in that the PCC systems include at least two Individual DRA, methods described include：AF sends Rx session requests to DRA；The AF receives the message that the DRA is sent according to the Rx session requests, and is sent according to the message to another DRA The Rx session requests；Wherein, the AF receives the message that the DRA is sent according to the Rx session requests, and according to the message to another DRA sends the Rx session requests, specifically includes：The AF receives the response message that the DRA is sent, and obtains another DRA carried in the response message host name； The AF sends the Rx session requests according to the host name of another DRA to another DRA；Or the AF receives the response message that the DRA is sent, obtain carried in the response message include other DRA Host name DRA lists；For the AF according to other described DRA lists, the DRA transmissions Rx sessions thereto please Ask；Or the AF receives the refuse information that the DRA is sent；The AF is according to other DRA in the DRA lists itself stored Host name, a DRA thereto sends the Rx session requests.
- 4. a kind of DRA, applied in policy control and charging PCC systems, it is characterised in that the PCC systems are included at least Two DRA, the DRA include：Receiving module, for receiving the Rx session requests of AF transmissions；Judge module, the Rx session requests for being received according to the receiving module judge itself whether be stored with and the Rx Information corresponding to session request；Sending module, for when the judged result of the judge module is no, the Rx session requests being forwarded to another DRA, or notify the AF to send the Rx session requests to another DRA；The judge module, specifically for judging itself whether be stored with the Gx interface message corresponding with the Rx session requests Or IP-CAN session association information；The sending module, specifically for sending response message to the AF, another DRA is carried in the response message Host name so that host name of the AF according to another DRA, the Rx session requests are sent to another DRA；Or the sending module is specifically used for sending response message to the AF, is carried in the response message including it The DRA lists of his DRA host name, so that host name of the AF according to other DRA, a DRA thereto are sent The Rx session requests；Or the sending module is specifically used for sending refuse information to the AF, so that the DRA that the AF stores according to itself DRA host name in list, a DRA thereto send the Rx session requests.
- 5. DRA as claimed in claim 4, it is characterised in that the sending module, specifically for the DRA stored according to itself List, the Rx session requests are forwarded to another DRA.
- 6. a kind of AF, applied in PCC systems, it is characterised in that the PCC systems include at least two DRA, the AF bags Include：Sending module, for sending Rx session requests to DRA, and the message for being received according to receiving module, to another DRA sends the Rx session requests；The receiving module, the message sent for receiving the DRA according to the Rx session requests；Wherein, the receiving module, the response message sent specifically for receiving the DRA, obtains and is taken in the response message Another DRA of band host name；The sending module, specifically for another DRA received according to the receiving module Host name, send the Rx session requests to another DRA；Or the receiving module, the response message sent specifically for receiving the DRA, obtain and taken in the response message The DRA lists of the host name including other DRA of band；The sending module, specifically for being received according to the receiving module The DRA lists, a DRA thereto sends the Rx session requests；Or the receiving module, the refuse information sent specifically for receiving the DRA；The sending module, is specifically used for After the receiving module receives the refuse information, other DRA host name in the DRA lists stored according to itself, to One of DRA sends the Rx session requests.
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| CN201310222127.3A CN104219783B (en) | 2013-06-05 | 2013-06-05 | A kind of session redirection method and apparatus |
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| CN106507382B (en) * | 2015-09-07 | 2020-04-14 | 中兴通讯股份有限公司 | Diameter message routing method and routing agent node |
| CN106803808B (en) * | 2015-11-25 | 2020-09-04 | 中国电信股份有限公司 | Routing agent method and node |
| CN107395555A (en) * | 2016-05-17 | 2017-11-24 | 中兴通讯股份有限公司 | A kind of method, apparatus and system of session management |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101217810A (en) * | 2008-01-16 | 2008-07-09 | 中兴通讯股份有限公司 | A selecting method of strategy and charging rule functions |
| CN101277541A (en) * | 2008-05-22 | 2008-10-01 | 中兴通讯股份有限公司 | Method for forwarding message of Diameter route entity |
| CN101483826A (en) * | 2008-01-07 | 2009-07-15 | 华为技术有限公司 | Method and apparatus for selecting policy and fee charging rule functional entity |
| CN102143062A (en) * | 2010-12-28 | 2011-08-03 | 华为技术有限公司 | Policy and charging rule function addressing method, device and system |
| CN102577450A (en) * | 2011-12-30 | 2012-07-11 | 华为技术有限公司 | Method, apparatus and system for determining policy and charging rule function entity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483826A (en) * | 2008-01-07 | 2009-07-15 | 华为技术有限公司 | Method and apparatus for selecting policy and fee charging rule functional entity |
| CN101217810A (en) * | 2008-01-16 | 2008-07-09 | 中兴通讯股份有限公司 | A selecting method of strategy and charging rule functions |
| CN101277541A (en) * | 2008-05-22 | 2008-10-01 | 中兴通讯股份有限公司 | Method for forwarding message of Diameter route entity |
| CN102143062A (en) * | 2010-12-28 | 2011-08-03 | 华为技术有限公司 | Policy and charging rule function addressing method, device and system |
| CN102577450A (en) * | 2011-12-30 | 2012-07-11 | 华为技术有限公司 | Method, apparatus and system for determining policy and charging rule function entity |
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