CN1996991B - Configuration method of the service flow strategy in WiMAX network - Google Patents
Configuration method of the service flow strategy in WiMAX network Download PDFInfo
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Abstract
This invention discloses one align method for Imax network service flow strategy, which comprises the following steps: setting flow label section in strategy decision message previously and after any point is triggered recording at least one flow label for service flow into the flow label section; then sending the strategy decision message to the down point to trigger next point execution service flow decision strategy aligning.
Description
Technical field
The present invention relates to the WiMAX network technology, refer to the collocation method of service flow strategy in a kind of WiMAX network especially.
Background technology
Micro-wave access global inter communication (WiMax, Worldwide Interoperability for MicrowaveAccess) technology is a kind of broadband wireless access standard, and this standard can provide towards the high speed of the Internet to connect based on 802.16 agreements.Different with 3G network is that the WiMax complete network adopts the IP packet-switch technology, and the circuit switching towards voice needn't be provided.Based on These characteristics, must adopt the VoIP mode in the communication of the enterprising lang sound of WiMax network.
Because multiple business can be carried in the WiMax system; Such as voice, video, HTTP and Email etc.; And each business is different again to the requirement of service quality (QoS), so the different service flow of WiMAX network using is a same portable terminal (MS/MSS) the different service data is provided.Service flow is divided according to grouping information, such as source address, destination address, port numbers and protocol number etc., and is that each service flow specifies a qos parameter, so that the service quality of correspondence is provided for different business.System also is provided with a service flow sign (SFID, Service FlowIdentification) for each service flow, is used to indicate this service flow and corresponding qos parameter.
In the practical application, operation below can carrying out to service flow: 1) create (Create).Such as, when having new application demand, system can new service flow of Create.2) approval (Admit).Such as, can system confirm self satisfy the qos parameter requirement of certain service flow according to the resource operating position of reality.3) activate (Activate), refer to after certain service flow obtains approval, its process that comes into operation.4) revise (Modify), carry out when this operation can can't be satisfied the current application demand at the qos parameter of certain service flow, so that qos parameter is made amendment and adjusted.5) deletion (Delete).Certain is used when finishing, and needs to support the service flow deletion of this application.
In the WiMAX system; For providing the network node of service flow, the user mainly comprises: management service flow module (SFM; Service Flow Management), service flow authorization module (SFA, ServiceFlow Authorization) and policing feature module (PF, Police Function).
Wherein, SFM is arranged on base station side, can carry out relevant service flow operation according to the Radio Resource situation of this locality.SFA comprises service SFA (Serving SFA) and anchor point SFA (AnchorSFA) again, and this module can be carried out the approval operation to service flow according to local policy.PF is positioned at connectivity serving network, and (Connectivity Service Network CSN), is used to the qos policy of preserving user profile and service flow can being provided.
What Fig. 1 showed is the flow process of configuration service Flow Policy in the prior art, and said configuration operation refers to establishment, modification or deletion etc., specifically may further comprise the steps:
After step 101, SFM are triggered, send strategy decision request (PD-Request) message to service SFA.
In this step, the reason that triggers SFM can be various, and such as the request that MSS sends, perhaps SFM receives dynamic service flow and revises (Dynamic Service Flow Modification) instruction etc., repeats no more here.
After step 102～103, service SFA receive PD-Request message; Be triggered and initiate PD-Request to anchor point SFA; By anchor point SFA said PD-Request is delivered to the Internet Service Provider's (NSP, Network Service Provider) of MSS ownership PF again.
After step 104, PF receive PD-Request, the business game of service flow is set, and replys to anchor point SFA answer through strategy decision response (PD-Response) message.
After step 105～106, anchor point SFA receive PD-Response message, be triggered and send PD-Response, by service SFA PD-Response is sent to SFM again to service SFA.
The strategy of strategy decision request (PD-Request) of sending in the said process and strategy decision response (PD-Response) request of being respectively applied for and respond services stream is set, so be referred to as strategy decision (PD, Policy Decision) message.These two message all are provided with decision action (Decision Action) field, are used between network node notification service and banish the action type of putting.
Because the service flow strategy configuration is to carry out to each specific service flow; A series of network nodes in the WiMAX network; Such as service SFA, anchor point SFA, PF etc., only know need be configured which service flow after, could carry out and operate accordingly; So above-mentioned tactful decision process is actually and can't realizes, because do not carry the indication information of treating configuration service stream in the existing tactful decision message.
Summary of the invention
In view of this, main purpose of the present invention is to provide the collocation method of service flow strategy in a kind of WiMAX network, makes network node correctly to carry out policy configurations to corresponding service flow.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
The collocation method of service flow strategy in a kind of WiMAX network, one in the said WiMAX network connects with upper network node step by step, and this method comprises: the traffic identifier field is set in tactful decision message in advance;
After management service flow module in the said WiMAX network is triggered, judge the action type of said service flow configuration, if creation operation then the service flow identification field in the strategy decision request be set to sky, and send said strategy decision request; If revise or deletion action, will wait that then the service flow identification record of revising or deleting sends in strategy decision requested service traffic identifier field;
After service SFA in the said WiMAX network receives the strategy decision request of management service flow module; According to the corresponding relation that sets in advance should strategy service flow sign in the decision request be mapped as traffic identifier, and said traffic identifier be recorded in the strategy decision request that self generates send;
After anchor point SFA in the said WiMAX network is triggered, determine request that the respective field of self is set, and generation strategy decision request send to the policing feature module in the said WiMAX network according to the strategy of serving SFA;
After policing feature module in the said WiMAX network is determined request trigger by strategy; Judge the action type of said service flow configuration; Generate corresponding traffic identifier if creation operation then is a service flow to be created, and be recorded in the traffic identifier field of strategy decision response and send; If revise or deletion action, the traffic identifier that then will wait to revise or delete service flow is recorded in the traffic identifier field of strategy decision response and sends;
Said anchor point SFA responds the respective field that self is set based on the strategy decision of policing feature module, and generation strategy decision response sends to service SFA;
After said service SFA receives the strategy decision response of anchor point SFA; Judge the action type of said service flow configuration; If creation operation is then for the traffic identifier in this strategy decision response generates the service flow sign, and this service flow identification record is sent in the strategy decision response that self generates; If revise or deletion action, then traffic identifier is mapped as the service flow sign based on the corresponding relation that is provided with in advance, more said service flow sign is issued to said management service flow module through the strategy decision response that self generates.
The said method that sets in advance corresponding relation is: service SFA service flow sign is set to identical with traffic identifier; Or service SFA adds the traffic identifier that self identification generates correspondence on the service flow sign.
Visible by technique scheme; The collocation method of service flow strategy in this WiMAX network of the present invention; Through the traffic identifier field is set in tactful decision message, write down the traffic identifier that at least one treats configuration service stream, make network node clearly to know and carry out the service flow that qos parameter disposes; Thereby correctly accomplish corresponding operating, make corresponding service flow obtain required resource.
Description of drawings
Fig. 1 is the idiographic flow of configuration service Flow Policy in the prior art;
The flow process of Fig. 2 among the present invention service flow strategy being configured.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, to further explain of the present invention.
The present invention is provided with the traffic identifier field in existing P D message, be used to write down the traffic identifier of treating configuration service stream.When the arbitrary node in the WiMAX network is triggered the configuration of execution service flow; This node can be recorded in the traffic identifier of treating configuration service stream in the said traffic identifier field; Again said PD message is sent to downstream site, trigger the policy configurations that downstream site is carried out corresponding with service stream.
Based on above-mentioned setting, the process that service flow strategy is configured among the present invention is as shown in Figure 2, specifically may further comprise the steps:
After step 201, SFM were triggered, in the service flow identification field, the PD-Request message that will carry the service flow identification field again sent to service SFA with service flow identification record to be disposed.
In this step, SFM can judge the action type of said service flow configuration after being triggered, if creation operation then the service flow identification field among the PD-Request be set to sky, and send said PD-Request; If revise or deletion action, will wait that then the service flow identification record of revising or deleting sends in the service flow identification field of PD-Request.
The condition that triggers SFM implementation strategy decision process is: MS sends the dynamic service flow request, or needing etc. from resource optimization.
After step 202, service SFA receive said PD-Request message, be triggered and initiate PD-Request, by anchor point SFA said PD-Request is delivered to PF again to anchor point SFA.
In this step; After service SFA receives the PD-Request of SFM; According to the corresponding relation that is provided with in advance the sign of the service flow among this PD-Request (SFID) is mapped as traffic identifier (Flow ID), said traffic identifier is recorded among the PD-Request that self generates sends again.
For the situation of carrying out creation operation, because the service flow identification field of SFM is empty, so the traffic identifier field among the PD-Request that service SFA sends is also for empty.
After anchor point SFA is triggered, self respective field is set, and generates PD-Request and send to PF according to the PD-Request of service SFA.At this moment, for PD-Request, service SFA is the superior node of anchor point SFA, and PF is the downstream site of anchor point SFA.
After step 203, PF receive PD-Request message, the business game of the indicated service flow of Flow ID is set, and replies to anchor point SFA through PD-Response message.
For PF, after it is by the PD-Request message trigger, can judge the action type of said service flow configuration.If creation operation, then be that service flow to be created generates corresponding traffic identifier, and be recorded in the traffic identifier field and send; If revise or deletion action, the traffic identifier that then will wait to revise or delete service flow is recorded in the traffic identifier field of PD-Response and sends.
After step 204, anchor point SFA receive said PD-Response message, it is delivered to service SFA, by service SFA this message is delivered to SFM again, tactful decision process finishes.
In this step, anchor point SFA can be provided with the respective field of self according to the PD-Response of PF, and generation PD-Response sends to service SFA.For PD-Response, PF is the superior node of anchor point SFA, and service SFA is the downstream site of anchor point SFA.
In addition; After receiving the PD-Response of anchor point SFA; Service SFA can judge the action type of said service flow configuration, if creation operation then is the traffic identifier generation service flow sign among this PD-Response, and this service flow identification record is sent in the PD-Response that self generates; If revise or deletion action, then traffic identifier is mapped as the service flow sign according to the corresponding relation that is provided with in advance, more said service flow sign is sent through the PD-Response that self generates.
The said instantiation that sets in advance corresponding relation is: service SFA service flow sign is set to identical with traffic identifier; Or service SFA adds the traffic identifier that self identification generates correspondence on the service flow sign.In the practical application, can be provided with arbitrarily as required, as long as can keep the mapping relations of service flow sign and traffic identifier.
So far, the all-network node on the WiMAX network can both be preserved the business game of said service flow according to traffic identifier.Further, SFM can be provided with a plurality of service flow to be disposed signs in the service flow identification field, so that for a plurality of service flow business game is set simultaneously, thereby the saving signaling flow process is increased network utilization.
In addition, because the WiMAX network has successfully carried out policy configurations to required service stream, follow-up resource reservation realization process such as (RR) also can well be guaranteed, repeats no more here.
Visible by the above embodiments; The collocation method of service flow strategy in this WiMAX network of the present invention; Through the traffic identifier field is set in tactful decision message, write down the traffic identifier that at least one treats configuration service stream, make network node clearly to know and carry out the service flow that qos parameter disposes; Thereby correctly accomplish corresponding operating, make corresponding service flow obtain required resource.
Claims (2)
1. the collocation method of service flow strategy in the WiMAX network, one in the said WiMAX network connects with upper network node step by step, it is characterized in that this method comprises: the traffic identifier field is set in tactful decision message in advance;
After management service flow module in the said WiMAX network is triggered, judge the action type of said service flow configuration, if creation operation then the service flow identification field in the strategy decision request be set to sky, and send said strategy decision request; If revise or deletion action, will wait that then the service flow identification record of revising or deleting sends in strategy decision requested service traffic identifier field;
After services stream authorization module SFA in the said WiMAX network receives the strategy decision request of management service flow module; According to the corresponding relation that sets in advance should strategy service flow sign in the decision request be mapped as traffic identifier, and said traffic identifier be recorded in the strategy decision request that self generates send;
After anchor point SFA in the said WiMAX network is triggered, determine request that the respective field of self is set, and generation strategy decision request send to the policing feature module in the said WiMAX network according to the strategy of serving SFA;
After policing feature module in the said WiMAX network is determined request trigger by strategy; Judge the action type of said service flow configuration; Generate corresponding traffic identifier if creation operation then is a service flow to be created, and be recorded in the traffic identifier field of strategy decision response and send; If revise or deletion action, the traffic identifier that then will wait to revise or delete service flow is recorded in the traffic identifier field of strategy decision response and sends;
Said anchor point SFA responds the respective field that self is set based on the strategy decision of policing feature module, and generation strategy decision response sends to service SFA;
After said service SFA receives the strategy decision response of anchor point SFA; Judge the action type of said service flow configuration; If creation operation is then for the traffic identifier in this strategy decision response generates the service flow sign, and this service flow identification record is sent in the strategy decision response that self generates; If revise or deletion action, then traffic identifier is mapped as the service flow sign based on the corresponding relation that is provided with in advance, more said service flow sign is issued to said management service flow module through the strategy decision response that self generates.
2. based on the described method of claim 1, it is characterized in that the said method that corresponding relation is set in advance is: service SFA service flow sign is set to identical with traffic identifier; Or service SFA adds the traffic identifier that self identification generates correspondence on the service flow sign.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100052976A CN1996991B (en) | 2006-01-06 | 2006-01-06 | Configuration method of the service flow strategy in WiMAX network |
| PCT/CN2006/003602 WO2007073690A1 (en) | 2005-12-27 | 2006-12-26 | Worldwide interoperability for microwave access system and service flow arrangement method in the system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100052976A CN1996991B (en) | 2006-01-06 | 2006-01-06 | Configuration method of the service flow strategy in WiMAX network |
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| CN1996991A CN1996991A (en) | 2007-07-11 |
| CN1996991B true CN1996991B (en) | 2012-02-29 |
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| CN101330644B (en) * | 2007-07-16 | 2011-05-25 | 中兴通讯股份有限公司 | Method for controlling beep-page permission of multi-business flow of a mobile grouping field |
| CN101990325B (en) | 2009-07-31 | 2013-04-24 | 华为技术有限公司 | Method, device and system for determining and maintaining QoS (Quality of Service) parameters of multi-hop network |
| CN102098813A (en) * | 2009-12-10 | 2011-06-15 | 中兴通讯股份有限公司 | Method and system for processing traffic stream type |
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| CN1466340A (en) * | 2002-06-24 | 2004-01-07 | �人��������������ι�˾ | Method for forwarding data by strategic stream mode and data forwarding equipment |
| EP1432181A2 (en) * | 2002-12-19 | 2004-06-23 | Zarlink Semiconductor Limited | packet classifier |
| WO2004073324A2 (en) * | 2003-02-10 | 2004-08-26 | Flarion Technologies, Inc. | Paging methods and apparatus |
| CN1617508A (en) * | 2003-11-13 | 2005-05-18 | 华为技术有限公司 | Service quality strategy conversion device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1466340A (en) * | 2002-06-24 | 2004-01-07 | �人��������������ι�˾ | Method for forwarding data by strategic stream mode and data forwarding equipment |
| EP1432181A2 (en) * | 2002-12-19 | 2004-06-23 | Zarlink Semiconductor Limited | packet classifier |
| WO2004073324A2 (en) * | 2003-02-10 | 2004-08-26 | Flarion Technologies, Inc. | Paging methods and apparatus |
| CN1617508A (en) * | 2003-11-13 | 2005-05-18 | 华为技术有限公司 | Service quality strategy conversion device and method |
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| CN 1466340 A,全文. |
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