CN101031140A - Network browse agent method and system - Google Patents
Network browse agent method and system Download PDFInfo
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- CN101031140A CN101031140A CNA2006100599367A CN200610059936A CN101031140A CN 101031140 A CN101031140 A CN 101031140A CN A2006100599367 A CNA2006100599367 A CN A2006100599367A CN 200610059936 A CN200610059936 A CN 200610059936A CN 101031140 A CN101031140 A CN 101031140A
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Abstract
The method comprises: in a roaming scene, the mobile user sends a request message to the policy function (PF); according to the users' ID, said PF decides if it is a request of local user; if not, said PF relays said request to the policy decision function. The invention adds an agent function into PF so as to provide more approaches by which PF can address home network from visit network.
Description
Technical field
The present invention relates to the netsurfing technology, specifically, relate to a kind of network browse agent method and system thereof.
Background technology
In current WiMAX system, be to use functional entity to describe entirely, do not relate to real physical entity, because these functions realize the current dispute that also exists on which physical equipment.
Fig. 1 is the up-to-date QoS framework of WiMax NWG standard.
As shown in Figure 1, MS is a user terminal, such as notebook computer or the mobile phone for support WiMAX function.
SFM (Service Flow Management) is the service flow management device, be responsible for setting up user traffic flow and traffic flow assignment Radio Resource etc. for this reason, in real network, its corresponding physical entity can be the base station, it can carry out service quality (QoS) strategy that Internet Service Provider (NSP) issues such as flowing how many bandwidth etc. in advance for certain user, and this functional entity is present among the ASN.
SFA (Service Flow Authorization) is service flow authorization person, be responsible for authorizing to corresponding business stream, in real network, its corresponding physical entity can be Access Network gateway, base station controller, it can carry out qos policy that NSP issues such as flowing how many bandwidth etc. in advance for certain user, and this strategy is handed down to SFM again, and this functional entity is present among the ASN.
PF (policy function) is a policy functional entity, formulates various detailed qos policys, and this functional entity is present among the NSP, in roaming scence, will have visit (Visited) PF and ownership (Home) PF.
AF (Application functions) is the application service functional entity, this functional entity is mainly PF detailed business information is provided, formulate the usefulness of concrete Qos strategy for PF, user terminal SS is directly by application layer protocol connected reference AF, AF will notify PF initiatively for the user creates Business Stream, and this functional entity is present among the NSP.
Framework as shown in Figure 1 is by Siemens and Alcatel (in January, 2006) proposition recently, and admitted by WiMAX NWG normal structure, this framework is pointed out under the roaming condition, there are visit PF (Visited PF) and ownership PF (Home PF), but this scene can not include in the roaming condition exist act on behalf of PF (Proxy PF) situation, and the existence of acting on behalf of PF can provide and visits PF addressing visit PF means widely, promotes when supporting the multiple network environment tenability to user's access.Do not act on behalf of PF owing to do not exist in the available frame, make the user can not insert visited network.
Summary of the invention
At aforesaid problem, the invention provides the increase agency of a kind of network in roaming scence method, in PF, increase agent functionality (Proxy Functon), on existing framework basis, should increase again and act on behalf of the PF part, realize the expansion of PF function, so that the means of the PF of the PF addressing home network of visited network widely to be provided, thereby promote the tenability of multiple network environment to user's access.
In order to realize described purpose, technical scheme of the present invention is:
A kind of network browse agent method comprises:
A. in roaming scence, the mobile subscriber sends a request message to policy functional entity (PF);
B. whether decision is that the local user asks to described policy functional entity according to user ID;
C. if not local user's request, described policy functional entity is forwarded to next strategy decision functional entity with described user's request.
If local the processing, described policy functional entity PF asks to carry out the ownership policing feature to described user and handles.
Described user ID comprises network access Identifier NAI, IP address, domain name or mobile subscriber ID.
A kind of netsurfing agency plant comprises mobile subscriber, access service network and policing feature body, and described policy functional entity comprises:
The visit policy functional entity is used for carrying out the visited network policing feature according to roamer's request message and handles;
The ownership policy functional entity is used for carrying out the home network policing feature according to roamer's request message and handles;
The proxy policies functional entity is used for routing addressing, forwarding user message, the expansion of Policy Status dimension.
Described visit policy functional entity and described ownership policy functional entity are also as the proxy policies functional entity.
Described proxy policies functional entity is also as visit policy functional entity and/or ownership policy functional entity.
Beneficial effect of the present invention is, the present invention is by revising current WiMax standard, expand the functional definition of existing PF, in PF, increase agent functionality, the means of the PF of the PF addressing home network of visited network widely are provided, thereby have promoted the tenability of multiple network environment user's access.
Description of drawings
Fig. 1 is the up-to-date QoS frame diagram of WiMAX NWG standard;
Fig. 2 is a WiMAX roaming QoS Organization Chart of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, specific embodiments of the invention are elaborated below in conjunction with accompanying drawing.
Because in the Qos system of the up-to-date proposition of current WiMax standard, under roaming condition, only have visit PF and ownership PF, and can not include exist in the roaming condition act on behalf of PF situation, thereby might make the user can not insert visited network.The present invention is directed to this problem, the function that expands existing PF in the existing QoS system of WiMAX increase agent functionality in PF, and the PF part is acted on behalf of in increase on this framework basis.
As Fig. 2 is the Qos framework of the WiMAX system behind the increase agent functionality of the present invention.As shown in Figure 2, under the situation of roaming, can comprise visit PF in the Qos framework of WiMax simultaneously, act on behalf of PF, ownership PF, wherein visit PF and be present among the visit NSP that act on behalf of PF and be present in and act on behalf of among the NSP, ownership ownership PF is present among the NSP.The visit policy functional entity is used for carrying out the visited network policing feature according to roamer's request message and handles; The ownership policy functional entity is used for carrying out the home network policing feature according to roamer's request message and handles; The proxy policies functional entity is used to transmit user message.
Can also can act on behalf of PF without acting on behalf of PF from visit PF to ownership PF through one or more; Owing to point out in Current Standard without the situation of acting on behalf of PF, therefore do not give unnecessary details at this.Be example only below, method of the present invention is described to act on behalf of PF to ownership PF through one from visit PF.
When the user roams into a visited network (promptly in roaming scence), the PF of this visited network is exactly Visited PF (is easy-to-read, can be referred to as PF-A).This user initiates to insert request to described visited network, described visited network carry out Visit PF local QoS strategic decision-making and according to user's NAI or other signs (such as particular device MS ID, IP address, domain name or Mobile Directory Number etc.) judge, select the PF of next jumping (to be easy-to-read, can be referred to as PF-B), if PF-B is the PF of user's home network (being Home PF) for this reason, do not exist this moment acts on behalf of PF, the described scene of the current just standard of this scene.
If but PF-B is not this user's Home PF, do not exist under the situation of acting on behalf of PF, will directly refuse the message of PF-A by this PF-B of existing standard, the result who causes thus is that this user can not insert visited network.If PF-B provided and acted on behalf of the PF function this moment, the PF processing that it will continue user's request is delivered to next jumping according to user's NAI or other sign.In like manner, the PF of next jumping reason that also Clicks here is received request message up to HomePF, carries out Home PF processing capacity then.Therefore by the PF that acts on behalf of provided by the invention, can effectively avoid the user can not correctly insert the problem of visited network, thereby the means of the PF of the PF addressing home network of visited network widely are provided.
If in this process, process act on behalf of PF in the middle of have any one PF address that does not have next jumping that can handle this NAI then directly to return refusal, if there is this PF, then transmit request message.
But it is pointed out that among the present invention that at this each PF can be provided with has ownership PF processing capacity, visits the PF processing capacity and acts on behalf of three functions of PF processing capacity, wherein acts on behalf of the function that the PF function increases for the present invention.PF can decide this locality whether can handle this user according to network access Identifier NAI or other sign of user terminal, and as not, it will be transmitted to next with this request message according to this user NAI or other sign and jump PF; In this way, it will handle this user's Qos request.Act on behalf of the PF function and generate a context for each sends requesting users, the address, port, message packet sign of user ID, request message source PF and purpose PF etc. have been comprised in this context, receive response message from ownership PF, it will be transmitted message according to this user's who preserves context, and former road returns to a PF who jumps.
In existing framework, ownership PF issues Qos strategy (profile), and visit PF can adjust qos policy according to the visited network actual conditions.And the PF that acts on behalf of of the present invention is different with visit PF, and it does not influence user's qos policy, and it only directly transmits the message that Visited PF or Home PF send.
The present invention not only is applicable to the WiMax network, is equally applicable to adopt the fixed network of PF as functional entity, mobile network (as GSM, WCDMA, CDMA2000, WLAN etc.).
In sum, the present invention is by revising current WiMax standard, and the functional definition of expanding existing PF increases agent functionality in PF, the means of the PF of the PF addressing home network of visited network widely are provided, thereby have promoted the tenability of multiple network environment user's access.
Above embodiment only is used to illustrate the present invention, but not is used to limit the present invention.Within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. network browse agent method is characterized in that comprising:
A. in roaming scence, the mobile subscriber sends a request message to policy functional entity;
B. whether decision is that the local user asks to described policy functional entity according to user ID;
C. if not local user's request, described policy functional entity is forwarded to next strategy decision functional entity with described user's request.
2. method according to claim 1 is characterized in that:
If local the processing, described policy functional entity PF asks to carry out the ownership policing feature to described user and handles.
3. method according to claim 1 is characterized in that:
Described user ID comprises network access Identifier NAI, IP address, domain name or mobile subscriber ID.
4. a netsurfing agency plant comprises mobile subscriber, access service network and policing feature body, it is characterized in that described policy functional entity comprises:
The visit policy functional entity is used for carrying out the visited network policing feature according to roamer's request message and handles;
The ownership policy functional entity is used for carrying out the home network policing feature according to roamer's request message and handles;
The proxy policies functional entity is used for routing addressing, forwarding user message, Policy Status maintenance.
5. system according to claim 4 is characterized in that:
Described visit policy functional entity and described ownership policy functional entity are also as the proxy policies functional entity.
6. system according to claim 4 is characterized in that:
Described proxy policies functional entity is also as visit policy functional entity and/or ownership policy functional entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100599367A CN101031140A (en) | 2006-03-03 | 2006-03-03 | Network browse agent method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006100599367A CN101031140A (en) | 2006-03-03 | 2006-03-03 | Network browse agent method and system |
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| CN101031140A true CN101031140A (en) | 2007-09-05 |
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| CNA2006100599367A Pending CN101031140A (en) | 2006-03-03 | 2006-03-03 | Network browse agent method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101345637A (en) * | 2008-08-20 | 2009-01-14 | 中兴通讯股份有限公司 | Method and apparatus for discovering policy charging decision function/policy distribution function entity |
| WO2009100625A1 (en) * | 2008-01-30 | 2009-08-20 | Zte Corporation | Selecting method of policy decision functional entity in resource and admission control system |
-
2006
- 2006-03-03 CN CNA2006100599367A patent/CN101031140A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100625A1 (en) * | 2008-01-30 | 2009-08-20 | Zte Corporation | Selecting method of policy decision functional entity in resource and admission control system |
| US8381261B2 (en) | 2008-01-30 | 2013-02-19 | Zte Corporation | Method for selecting policy decision functional entity in a resource and admission control system |
| CN101345637A (en) * | 2008-08-20 | 2009-01-14 | 中兴通讯股份有限公司 | Method and apparatus for discovering policy charging decision function/policy distribution function entity |
| CN101345637B (en) * | 2008-08-20 | 2014-01-01 | 中兴通讯股份有限公司 | Method and apparatus for discovering policy charging decision function/policy distribution function entity |
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