CN101252586B - Method and system for performing policy control for household gateway - Google Patents
Method and system for performing policy control for household gateway Download PDFInfo
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- CN101252586B CN101252586B CN2008100857777A CN200810085777A CN101252586B CN 101252586 B CN101252586 B CN 101252586B CN 2008100857777 A CN2008100857777 A CN 2008100857777A CN 200810085777 A CN200810085777 A CN 200810085777A CN 101252586 B CN101252586 B CN 101252586B
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Abstract
The invention discloses a system for strategy control of a family gateway, applied in the next generation of network. The system comprises a resource admission control function and a family gateway; wherein the resource admission control function includes a strategy decision function entity and the family gateway includes a family strategy execution function entity; the strategy decision function entity is connected with the family strategy execution function entity; a strategy agent function entity is arranged between the strategy decision function entity and the family strategy execution function entity and is used for receiving an admission strategy from the strategy decision function entity, searching the family gateway that the user apparatus belongs to and that corresponds to the received admission strategy, mapping the received admission strategy into the admission strategy that the family gateway can support according to the capacity of the searched family gateway and then transmitting the admission strategy supported by the family gateway to the family strategy execution function entity.
Description
Technical field
The present invention relates to the communications field, (Next GenerationNetwork is called for short: the system and method that NGN) home gateway is carried out policy control to relate in particular to a kind of next generation network.
Background technology
Because the transport layer of NGN has adopted group technology, this makes it, and (Quality ofService, be called for short: QoS) problem of aspect is especially outstanding in service quality.At (the InternationalTelecommunication Union of International Telecommunications Union; Be called for short: in the NGN function structure that ITU) telecommunication standards group (ITU-T) proposes; (Resource and Admission ControlFunction is called for short: the QoS problem that RACF) solves the NGN transport layer to adopt resource accommodating control function.
RACF is between the application layer and transport layer of NGN, and its major function is based on the operation policing rule.RACF carries out resource and admission control according to UE signatory QoS attribute and network internal available resources; It has shielded the detail of transport layer to application layer; The QoS best property of attribute mapping of application layer to transport layer, is made the transfer entity of transport layer instruct down at it and for the Media Stream of session QoS is provided guarantee.
As shown in Figure 1; System diagram for ITU-T NGN function structure; This system comprises: service control function (Service Control Function; Be called for short: SCF), (Network Attachment ControlFunction is called for short: NACF) and user network (Customer Premises Network for RACF, transport layer (TransportFunctions is called for short TF), network attachment controlled function; Be called for short: CPN)/(Customer Premises Equipment is called for short: CPE) subscriber equipment;
Wherein, RACF is by policy deciding functional entity (Policy Decision Function Entity; Be called for short: PD-FE) (Transport Resource Control FunctionEntity, be called for short: TRC-FE) two functional entitys are formed with transmitting the resource control function entity.
PD-FE makes preliminary QoS resource decision based on the transfer resource CAMEL-Subscription-Information of medium streaming session information and UE; After accomplishing preliminary QOS resource decision, carry out alternately, confirm whether to have enough QoS resources with TRC-FE; Situation according to existing QOS resource; Make a final admittance strategic decision-making at last, and this final admittance strategic decision-making is handed down to policy execution functional entity (PolicyExecute Function Entity, abbreviation: PE-FE) carry out.Above-mentioned medium streaming session information is that PD-FE obtains from SCF through the Rs interface; The transfer resource CAMEL-Subscription-Information of UE is that PD-FE obtains from NACF through the Ru interface.
TRC-FE mainly is responsible for resource control, and the resource in the monitor network is also collected relevant information, is carrying out reporting concrete resource situation to PD-FE when mutual with PD-FE.
TF comprises: transmit resource and carry out functional unit (Transport Resource EnforcementFunction Entity is called for short: TRE-FE) and PE-FE;
PE-FE carries out policy control under the guidance of PD-FE, as: gate, bandwidth, traffic classification and mark, traffic shaping, two layers and three layers of QoS mapping, collect and report resource use information etc.
Explanation to TRE-FE in the present agreement is: under the guidance of TRC-FE, carry out two layer the strategy execution relevant with transmission technology, but concrete function and scope do not have all to confirm.
In Fig. 1, it is mutual for being correlated with of traffic assignments Internet resources that the Rs interface is responsible for the PD-FE request of SCF in RACF; The Rt interface is responsible for PD-FE and is carried out the relevant mutual of Resource Allocation in Networks with TRC-FE; The Rw interface is responsible for relevant mutual between PD-FE and the PE-FE, like PD-FE to the PE-FE distributing policy.
In recent years; The fixed network operator from the amplification of the income of speech, pure broadband services in continuous decline; Variation in view of competition and demand; The fixed network operator need move towards the multi-services operation that business such as video, voice-and-data combine from single service operation of clear data, pure speech, so that keep here and attract more domestic consumer.For catering to vast domestic consumer; Angle from technology and product; Just need to support multi-service, various ports also can distinguish the end product of different business quality, just (Home Gateway is called for short: HG) home gateway; In fact, the problem of controlling for the qos policy of HG is the professional key point of development digital home of operator.
As shown in Figure 2, for through RACF home gateway being carried out the system diagram of the control system of policy control in the prior art, wherein:
HG is a kind of integrated multi-service that provides, the broadband access equipment of many interfaces, and it is arranged in CPN, links to each other with UE and TF.
(Home Policy Execute Function Entity, be called for short: HPE-FE) be the policy execution functional entity that resides on the HG, it accepts the strategy that RACF issues to family's policy execution functional entity, according to strategy the service traffics of UE is carried out policy control.Remainder coexists with system shown in Figure 1 mutually, and this is not giving unnecessary details.
As shown in Figure 3; For in the prior art HG being carried out the flow chart of the method for policy control; When UE initiates one when having professional that QoS guarantees, can confirm the QoS that this is professional through the negotiation of operation layer, SCF will initiate the QOS resource request to RACF according to the QoS after consulting; Particularly, this method comprises following steps:
After step 301:UE initiated to have the business of QOS assurance, this professional QoS that SCF consults according to operation layer to confirm was to PD-FE request QOS resource;
SCF can comprise the QOS resource of medium streaming session information and request through sending the resource initial request message to PD-FE to PD-FE request QOS resource in the resource initial request message.
After step 302:PD-FE receives the request of SCF, the QOS resource of request is authorized, and make preliminary QOS resource decision;
PD-FE makes preliminary QOS resource decision according to medium streaming session information that comprises in the resource initial request message that receives and the transfer resource CAMEL-Subscription-Information of UE; If the transfer resource CAMEL-Subscription-Information of this UE not among the PD-FE then need obtain with NACF alternately.
After step 303:PD-FE made preliminary QOS resource decision, request TRC-FE carried out resource allocation, and TRC-FE judges whether enough available resources according to current resource situation and PD-FE requested resource, and returned the Resource Availability report to PE-FE;
Step 304:PD-FE makes final admittance strategic decision-making according to the Resource Availability report that the TRC-FE that receives returns;
After step 305:PD-FE made final admittance strategic decision-making, the HPE-FE to PE-FE initiates UE with business under issued final admittance strategic decision-making respectively;
Step 306:HPE-FE and PE-FE install respectively and carry out after receiving final admittance strategic decision-making;
Step 307: simultaneously, HPE-FE and PE-FE are respectively to PD-FE echo reply message;
Step 308:PD-FE returns the QOS resource request to SCF and replys after receiving the response message that HPE-FE and PE-FE return, and this method finishes.
Yet, because the One's name is legion of the home gateway in the network, and be dispersed in network edge; Adopt RACF directly to remove to control home gateway,, need RACF to increase HG is controlled and carries out mutual ability with it to the home gateway distributing policy; The function of RACF is too mixed, be equivalent to the ability of part webmaster integrated, simultaneously; For HG, carry out also need improving himself ability alternately with RACF, and then increased the cost of HG.
Summary of the invention
The technical problem that the present invention will solve provides a kind ofly carries out the system and method for policy control to home gateway, avoids directly HG being controlled the problems such as cost that the function of the RACF of generation too mixes and increases HG by RACF.
For solving the problems of the technologies described above; Of the present inventionly a kind of home gateway is carried out the system of policy control, be applied to comprise in the next generation network: resource accommodating control function and home gateway; Resource accommodating control function comprises policy deciding functional entity; Home gateway comprises family's policy execution functional entity, and policy deciding functional entity links to each other with the family policy execution functional entity, between policy deciding functional entity and family's policy execution functional entity, also is provided with the policy agent functional entity; The policy agent functional entity is used for receiving the admittance strategy from policy deciding functional entity; Search the home gateway under the subscriber equipment corresponding with received admittance strategy; Ability according to the home gateway that finds; With the admittance policy mappings that receives is the admittance strategy that home gateway can be supported, and is handed down to family's policy execution functional entity.
Further, the agreement of the employing of the interface between policy deciding functional entity and the policy agent functional entity is: Diameter, general open policy service protocol agreement, remote access dial-in user service agreement, TR069 agreement.
Further, the agreement of the employing of the interface between policy agent functional entity and the family's policy execution functional entity is: TR069 agreement, Simple Network Management Protocol.
Further, the policy agent functional entity is arranged in the network management system that home gateway is managed.
Further, a kind of home gateway is carried out the method for policy control, be applied in the next generation network, comprise the steps: step a: policy deciding functional entity is given the policy agent functional entity with its final admittance policy distribution of making; Step b: after the policy agent functional entity receives the admittance strategy that policy deciding functional entity issues; Search and admit the affiliated home gateway of the corresponding UE of strategy; And according to the ability of home gateway; With the admittance policy mappings that receives is the admittance strategy that home gateway can be supported, and is handed down to family's policy execution functional entity of home gateway.
Further, after step b, also comprise step c: after family's policy execution functional entity receives the strategy that the policy agent functional entity issues, install and also carry out the admittance strategy that receives.
Further; After step c, also comprise steps d: family's policy execution functional entity is to policy agent functional entity echo reply message; After the policy agent functional entity receives the response message that family's policy execution functional entity returns, to policy deciding functional entity echo reply message.
Further, the agreement of the employing of the interface between policy deciding functional entity and the policy agent functional entity is: Diameter, general open policy service protocol agreement, remote access dial-in user service agreement, TR069 agreement.
Further, the agreement of the employing of the interface between policy agent functional entity and the family's policy execution functional entity is: TR069 agreement, Simple Network Management Protocol.
Further, the policy agent functional entity is arranged in the network management system that home gateway is managed.
In sum; The present invention carries out policy control through the policy agent function to home gateway; Thereby RACF has been shielded the difference of different home gateway interface towards the different home gateway time; Avoided RACF frequent upgrading change, made that the function of RACF is more pointed because of the difference of home gateway; Home gateway also only needs to realize a north orientation management interface, need not carry out respectively alternately with the network management system and the resource control system of home gateway.
Description of drawings
Fig. 1 is the system diagram of ITU-T NGN system in the prior art;
Fig. 2 is the system diagram that in the prior art home gateway is carried out the system of policy control;
Fig. 3 is the flow chart that in the prior art home gateway is carried out the method for policy control;
Fig. 4 is the system diagram of system of the present invention;
Fig. 5 is the flow chart of the inventive method.
Embodiment
Describe below in conjunction with the accompanying drawing specific embodiments of the invention:
As shown in Figure 4, be the system diagram of system of the present invention, this system is on the basis of system shown in Figure 2; Between PD-FE and HPE-FE, set up a policy agent functional entity (Policy Agent FunctionEntity; Be called for short: PA-FE), PA-FE is a logical functional entity, and its major function is: receive from PD-FE and admit strategy; Search the home gateway under the UE corresponding with received admittance strategy; According to the concrete ability of the home gateway that finds, be the strategy that home gateway can be supported with the admittance policy mappings that receives, and be handed down to home gateway; Carry out by home gateway, thereby realized that RACF carries out policy control through PA-FE to home gateway.
Because PA-FE is that RACF is used for HG is carried out policy control, therefore need to support to carry out the mutual interface of strategy and carry out mutual interface with HG with RACF.
Interface between PA-FE and the RACF can adopt policy control agreement relatively reliably; Like Diameter, general open policy service protocol agreement (Common Open Policy ServiceProtocol; Be called for short: COPS), remote access dial-in user service (Remote Access Dial up UserService; Be called for short: RADIUS) agreement, TR069 agreement etc.
Interface between the HPE-FE of PA-FE and HG can adopt the agreement that HG is managed commonly used, and (Simple Network ManagementProtocol is called for short: SNMP) etc. like TR 069 agreement and Simple Network Management Protocol.
In actual use, can PA-FE be arranged in the existing network management system of HG being carried out telemanagement.
When method of the present invention was carried out policy control to HG, the QoS of the business that the UE that SCF consults according to operation layer initiates initiated the QOS resource request to PD-FE; After PD-FE makes strategic decision-making to resource request, will admit strategy to issue PA-FE; PA-FE is according to admitting strategy that corresponding home gateway is carried out policy control.
Specify RACF below in conjunction with accompanying drawing and through PA-FE HG is carried out the idiographic flow of policy control, as shown in Figure 5, this method comprises following steps:
After step 501:UE initiated to have the business of QOS assurance, this professional QoS that SCF consults according to operation layer to confirm was to PD-FE request QOS resource;
SCF can carry the QOS resource of medium streaming session information and request through sending the resource initial request message to PD-FE to PD-FE request QOS resource in the resource initial request message.
After step 502:PD-FE receives the QOS resource request of SCF, the QOS resource of SCF request is authorized, and make preliminary QOS resource decision;
PD-FE makes preliminary QOS resource decision according to medium streaming session information that comprises in the resource initial request message that receives and the transfer resource CAMEL-Subscription-Information of UE; If the transfer resource CAMEL-Subscription-Information of this UE not among the PD-FE then need obtain with NACF alternately.
After step 503:PD-FE made preliminary QOS resource decision, request TRC-FE carried out resource allocation, and TRC-FE judges whether enough available resources according to current resource situation and PD-FE requested resource, and returned the Resource Availability report to PE-FE;
Step 504:PD-FE makes final admittance strategic decision-making according to the Resource Availability report that the TRC-FE that receives returns;
After step 505:PD-FE makes final admittance strategic decision-making, issue final admittance strategy to PA-FE and PE-FE respectively;
After step 506:PA-FE receives and admits strategy, search the home gateway of admitting under the corresponding UE of strategy, and, be the admittance strategy that the HPE-FE on the home gateway can support the admittance policy mappings that receives according to the ability of home gateway;
PA-FE when the IP address of UE is UE initiation business, is carried to SCF according to the home gateway under the IP address search UE of UE; SCF is when PD-FE request QOS resource; Be carried to PD-FE, when PD-FE issues final admittance strategic decision-making to PA-FE, carry to PA-FE's.
Because the admittance strategy that PD-FE formulated; Be not necessarily the discernible admittance strategy of HG; And PA-FE is the ability that can know HG as the manager of HG; Therefore, PA-FE is after receiving the admittance strategy that PD-FE issues, and it is tactful that the admittance strategy that needs to receive converts supported admittances of HG into.
The HPE-FE of step 507:PA-FE on the home gateway that finds issues the supported admittance strategy by the HPE-FE of PA-FE mapping;
Step 508:HPE-FE receives PA-FE and behind the admittance strategy that it issues, installs and carry out;
Step 509: simultaneously, HPE-FE is to PA-FE echo reply message;
After step 510:PA-FE receives the response message that HPE-FE returns, to PD-FE echo reply message;
After step 511:PE-FE receives the final admittance strategy that PD-FE issues, to PD-FE echo reply message;
After step 512:PD-FE receives the response message that PA-FE and PE-FE return, the QOS resource request of replying SCF, this method finishes.
PD-FE is through sending the QOS resource request that resource initial communication message should SCF to SCF.
As another embodiment of the present invention, step 511 is carried out before also can be in step 506～510, and promptly PE-FE is receiving that strategy back that PD-FE issues just can be to PD-FE echo reply message, need not wait until step 506～510 finish after execution again.
Certainly; The present invention also can have other embodiment; Under the situation that does not deviate from spirit of the present invention and essence thereof; Being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (9)
1. system that home gateway is carried out policy control; Be applied in the next generation network; Comprise: resource accommodating control function and home gateway; Said resource accommodating control function comprises policy deciding functional entity, and said home gateway comprises family's policy execution functional entity, and said policy deciding functional entity links to each other with said family policy execution functional entity; It is characterized in that, between said policy deciding functional entity and said family policy execution functional entity, also be provided with the policy agent functional entity;
Said policy agent functional entity is used for receiving the admittance strategy from policy deciding functional entity; Search the home gateway under the subscriber equipment corresponding with received admittance strategy; Ability according to the home gateway that finds; With the admittance policy mappings that receives is the admittance strategy that home gateway can be supported, and is handed down to family's policy execution functional entity; After family's policy execution functional entity receives the strategy that the policy agent functional entity issues, install and also carry out the admittance strategy that receives.
2. the system that home gateway is carried out policy control as claimed in claim 1; It is characterized in that the agreement that the interface between said policy deciding functional entity and the said policy agent functional entity adopts is: Diameter, general open policy service protocol agreement, remote access dial-in user service agreement or TR069 agreement.
3. as claimed in claim 1 home gateway is carried out the system of policy control, it is characterized in that the agreement that the interface between said policy agent functional entity and the said family policy execution functional entity adopts is: TR069 agreement or Simple Network Management Protocol.
4. as claimed in claim 1 home gateway is carried out the system of policy control, it is characterized in that said policy agent functional entity is arranged in the network management system that home gateway is managed.
5. one kind is carried out the method for policy control to home gateway, is applied to it is characterized in that in the next generation network, comprises the steps:
Step a: policy deciding functional entity is given the policy agent functional entity with its final admittance policy distribution of making;
Step b: after the policy agent functional entity receives the admittance strategy that policy deciding functional entity issues; Search and admit the affiliated home gateway of the corresponding UE of strategy; And according to the ability of home gateway; With the admittance policy mappings that receives is the admittance strategy that home gateway can be supported, and is handed down to family's policy execution functional entity of home gateway;
Step c: after family's policy execution functional entity receives the strategy that the policy agent functional entity issues, install and also carry out the admittance strategy that receives.
6. method of home gateway being carried out policy control as claimed in claim 5; It is characterized in that; After step c, also comprise steps d: family's policy execution functional entity is to policy agent functional entity echo reply message; After the policy agent functional entity receives the response message that family's policy execution functional entity returns, to policy deciding functional entity echo reply message.
7. method of home gateway being carried out policy control as claimed in claim 5; It is characterized in that the agreement that the interface between said policy deciding functional entity and the said policy agent functional entity adopts is: Diameter, general open policy service protocol agreement, remote access dial-in user service agreement or TR069 agreement.
8. as claimed in claim 5 home gateway is carried out the method for policy control, it is characterized in that the agreement that the interface between said policy agent functional entity and the said family policy execution functional entity adopts is: TR069 agreement or Simple Network Management Protocol.
9. as claimed in claim 5 home gateway is carried out the method for policy control, it is characterized in that said policy agent functional entity is arranged in the network management system that home gateway is managed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100857777A CN101252586B (en) | 2008-03-20 | 2008-03-20 | Method and system for performing policy control for household gateway |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100857777A CN101252586B (en) | 2008-03-20 | 2008-03-20 | Method and system for performing policy control for household gateway |
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| CN101252586A CN101252586A (en) | 2008-08-27 |
| CN101252586B true CN101252586B (en) | 2012-05-23 |
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| CN2008100857777A Expired - Fee Related CN101252586B (en) | 2008-03-20 | 2008-03-20 | Method and system for performing policy control for household gateway |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101309227B (en) * | 2008-07-17 | 2011-11-30 | 中兴通讯股份有限公司 | Household gateway strategy control apparatus, system and implementing method thereof |
| CN101562616B (en) * | 2009-03-23 | 2012-05-30 | 中国电信股份有限公司 | User residence gateway management system and method |
| CN101582798B (en) * | 2009-06-19 | 2012-01-11 | 中兴通讯股份有限公司 | Method for remote network management on voice home gateway terminal and system |
| CN102215155B (en) * | 2010-04-02 | 2016-06-08 | 中兴通讯股份有限公司 | The resource acceptance control method of a kind of home network and system |
| CN108092915A (en) * | 2017-12-01 | 2018-05-29 | 顺丰科技有限公司 | A kind of QoS of customer flow control methods and device |
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| US5784370A (en) * | 1995-12-29 | 1998-07-21 | Cypress Semiconductor Corp. | Method and apparatus for regenerating a control signal at an asynchronous transfer mode (ATM) layer or a physical (PHY) layer |
| CN1747400A (en) * | 2004-09-08 | 2006-03-15 | 华为技术有限公司 | System and realization for dynamic cooperating service quality in next generation network |
| CN1925420A (en) * | 2005-09-02 | 2007-03-07 | 华为技术有限公司 | Resource repealing method and device based on resource admittance control subsystem |
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2008
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5784370A (en) * | 1995-12-29 | 1998-07-21 | Cypress Semiconductor Corp. | Method and apparatus for regenerating a control signal at an asynchronous transfer mode (ATM) layer or a physical (PHY) layer |
| CN1747400A (en) * | 2004-09-08 | 2006-03-15 | 华为技术有限公司 | System and realization for dynamic cooperating service quality in next generation network |
| CN1925420A (en) * | 2005-09-02 | 2007-03-07 | 华为技术有限公司 | Resource repealing method and device based on resource admittance control subsystem |
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