CN101345679B - QoS guarantee method and system of dynamic business, AAA and Anchor SFA - Google Patents

QoS guarantee method and system of dynamic business, AAA and Anchor SFA Download PDF

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Publication number
CN101345679B
CN101345679B CN2008102101209A CN200810210120A CN101345679B CN 101345679 B CN101345679 B CN 101345679B CN 2008102101209 A CN2008102101209 A CN 2008102101209A CN 200810210120 A CN200810210120 A CN 200810210120A CN 101345679 B CN101345679 B CN 101345679B
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business stream
service
service flow
request messages
quality
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CN101345679A (en
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成超文
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ZTE Corp
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ZTE Corp
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Abstract

The invention provides a QoS ensuring method of a dynamic service, a system and AAA and Anchor SFA, comprising: arranging a dynamic service flow module in an authentication authorization charging functional entity, wherein the dynamic service flow module includes service quantity parameter information corresponding to different medium flow types; transmitting the dynamic service flow module to a service flow authorization anchor point by the authentication authorization charging functional entity when a mobile terminal is initially accessed to the authentication authorization; receiving the service flow building/modifying request information by the service flow authorization anchor point, and performing strategy decision-making according to load accessed to the service network, service quality information requested by the mobile terminal carried in the service flow building/modifying request information. According to the process, QoS of the dynamic service is ensured under network environment of non-strategy charging control.

Description

QoS ensuring method, system and the AAA of dynamic service and Anchor SFA
Technical field
The present invention relates to the communications field, and especially, service quality (the Quality Of Service that relates to a kind of dynamic service, referred to as QoS) ensuring method, system and authentication and authorization charging functional entity (Authentication Authorization Accounting, referred to as AAA) and service flow authorization anchor point (Anchor Service Flow Authorization is referred to as Anchor SFA).
Background technology
Micro-wave access global inter communication (Worldwide Interoperability for MicrowaveAccess, referred to as WiMAX) technology is a kind of broadband wireless access standard, this standard is based on 802.16 agreements, and can provide the high speed of Internet to connect.Fig. 1 is the schematic diagram of WiMAX network reference model, and as shown in Figure 1, the WiMAX network mainly comprises:
Access business network (Access Service Network, referred to as ASN), be used for being connected with the WiMAX terminal, devolved authentication mandate charging message, discovery and selection business network and relay function is provided, carries out the radio open resource management and develops and manages access business network and the tunnel that is connected between the business network with the Internet connection of WiMAX terminal for setting up.
Connect business network (Connet Service Network, referred to as CSN), be mainly used in the distribution of user's IP address and access, authentication and authorization charging agency or service, based on strategy and license control, the access business network of custom system parameter and be connected building tunnel and management, connection business network internetwork roaming tunnel and mobile management between the business network.And CSN can be divided into local (Home) CSN network and visited place (Visited) CSN network.ASN and CSN carry out communication with user base station/travelling carriage (User Station/MobileStation is referred to as SS/MS) by air interface respectively.
Fig. 2 is the schematic diagram of service quality (Quality Of Service is referred to as QoS) logical architecture in the existing WiMAX network, in the WIMAX system, mainly comprises for the user provides the network node of Business Stream:
Service flow management module (Service Flow Management, referred to as SFM), service flow authorization module (Service Flow Authorization, referred to as SFA) and policing feature module (Police Function is referred to as PF).
Wherein, SFM is arranged on the base station side that is connected with terminal, can according to the Radio Resource situation of this locality, carry out relevant Business Stream operation; SFA comprises service SFA (ServingSFA) and anchor point SFA (Anchor SFA), and this module can be carried out access control to Business Stream according to local policy; Policy functional entity (module) is positioned at the connection business network, the qos policy that is used for preserving user profile and Business Stream can be provided.
In current WiMAX 1.0 versions, support to pre-provisioned service flow only is provided, pre-provisioned service flow is the signatory stream type of a kind of user and operator, its QoS information is contracted in advance at authentication and authorization charging functional entity (Authentication AuthorizationAccounting, referred to as AAA) in, after the access authentication of user mandate was passed through, this QoS information can follow other authorization message to be issued to together authenticator, and authenticator triggers the foundation of pre-provisioned service flow immediately.This pre-provisioned service flow namely is activated after creating, and, and can not be modified after creating according to the authorization parameter bandwidth reserved at eat dishes without rice or wine side and network side.
Yet, in actual applications, may exist business to carry out in the process, the professional scene that the QoS demand is changed, for example, the user uses QQ professional, at first by text transmission chat, then wish to carry out the video voice-enabled chat, if the prefabricated Business Stream QoS that system is pre-created can not satisfy the demands, the user just can't use this business so.Therefore, in the R1.5 of WiMAX version, the policy charging control architecture of having introduced the proposition of third generation mobile partner plan (3rdGeneration partnership project is referred to as 3GPP) normal structure to guarantee for dynamic service provides QoS.
But, consider policy and charging control (Policy Charging Control, referred to as PCC) complexity of framework, it just exists as a kind of optional enhancing characteristic in the WiMAX version, may have part operator to be unwilling for the consideration of the factors such as cost to dispose.Yet, at present for the assurance that under the scene of non-policy and charging control, realizes dynamic service QoS, solution low-cost, low complex degree is proposed not yet at present.
Summary of the invention
Consider the problems referred to above and make the present invention, for this reason, main purpose of the present invention is to provide a kind of method for ensuring service quality, system and authentication and authorization charging functional entity and service flow authorization anchor point of dynamic service, to solve the problem that can't guarantee the QoS of dynamic service in the correlation technique at the net environment that does not have PCC.
A kind of method for ensuring service quality of dynamic service is provided according to an aspect of the present invention.
Method for ensuring service quality according to dynamic service of the present invention comprises: the dynamic service flow template is set in the authentication and authorization charging functional entity, wherein, comprises the QoS parameter information for the different media flows type in the dynamic service flow template; In portable terminal initial access authentication licensing process, the authentication and authorization charging functional entity is sent to the service flow authorization anchor point with the dynamic service flow template; The service flow authorization anchor point receives Business Stream establishment/modify request messages, and according to quality of service information and the dynamic service flow template of the mobile terminal request of carrying in the load state of current access business network, the Business Stream establishment/modify request messages portable terminal is carried out strategic decision-making.
In addition, before above-mentioned service flow authorization anchor point received Business Stream establishment/modify request messages, also comprise: portable terminal was dynamically initiated Business Stream establishment/modify request messages, and sends to the service flow authorization anchor point by the service flow management module.
Wherein, above-mentioned portable terminal dynamically is specially Business Stream establishment/modify request messages by the processing that the service flow management module sends to the service flow authorization anchor point: Business Stream establishment/modify request messages is eating dishes without rice or wine to be delivered to the service flow management module by predetermined message, makes Admission control according to the quality of service information in the Business Stream establishment/modify request messages and interface-free resources situation; The service flow management module is delivered to the service flow authorization service point with Business Stream establishment/modify request messages by data channel message, and by the service flow authorization service point Business Stream establishment/modify request messages is sent to the service flow authorization anchor point by RESV.
In addition, after above-mentioned service flow authorization anchor point carries out strategic decision-making to portable terminal, also comprise: access business network is by resource reservation and data channel message, finishes the foundation of data channel and finishes the reservation of interface-free resources by idle message.
Wherein, above-mentioned QoS parameter information specifically comprises: traffic prioritization, maximum bandwidth, maximum bandwidth reserved, tolerance shake, the maximum delay of continuing.
Wherein, above-mentioned service flow authorization anchor point is according to the load state of current access business network, the quality of service information of the mobile terminal request of carrying in the Business Stream establishment/modify request messages, and the dynamic service flow template is specially the processing that portable terminal carries out strategic decision-making: the service flow authorization anchor point obtains the minimum bandwidth request of quality of service information in the Business Stream establishment/modify request messages, and with the load state of current access business network, and the maximum bandwidth reserved in the dynamic service flow template compares, and judges whether the value of minimum bandwidth request is less than or equal to the value of access business network load state, and whether the value of minimum bandwidth request is less than or equal to the value of maximum bandwidth reserved, and judge whether at the authentication and authorization charging functional entity within the scope of authority quality of service information; Be in the situation that is in judgement, the service flow authorization anchor point checks the Business Stream information that portable terminal has created, and judge whether the Business Stream that has created can satisfy the service quality that dynamic service requires in the Business Stream establishment/modify request messages, be judged as in the situation that is, the service flow authorization anchor point is selected a carrying as dynamic service according to predetermined policy from the Business Stream that has created; Judge that at the service flow authorization anchor point Business Stream that has created can not satisfy in the situation of the service quality that dynamic service requires in the Business Stream establishment/modify request messages, the service flow authorization anchor point is initiated Business Stream and is set up, and, the QoS parameter of the Business Stream that the quality of service information that carries in the Business Stream establishment/modify request messages is set up as needs.
A kind of quality of service guarantee system of dynamic service is provided according to a further aspect in the invention.
Quality of service guarantee system according to dynamic service of the present invention comprises: the authentication and authorization charging functional entity, be used for preserving default dynamic service flow template, wherein, comprise the QoS parameter information for the different media flows type in the dynamic service flow template, and, in portable terminal initial access authentication licensing process, the dynamic service flow template is sent to the service flow authorization anchor point; Access business network, comprise the service flow authorization anchor point, the service flow authorization anchor point be used for to receive Business Stream establishment/modify request messages, and according to quality of service information and the dynamic service flow template of the mobile terminal request of carrying in the load state of current access business network, the request message portable terminal is carried out strategic decision-making.
In addition, above-mentioned access business network further comprises: the service flow management module is used for the Business Stream establishment/modify request messages that mobile terminal receive sends, and Business Stream establishment/modify request messages is forwarded to the service flow authorization anchor point.
In addition, above-mentioned service flow management module further comprises: receiver module is used for being received in the Business Stream establishment/modify request messages of eating dishes without rice or wine by the predetermined message transmission; The Admission control module is used for making Admission control according to quality of service information and the interface-free resources situation of Business Stream establishment/modify request messages; Sending module is used for Business Stream establishment/modify request messages is forwarded to the service flow authorization anchor point by the service flow authorization service point.
In addition, above-mentioned access business network is further used for by resource reservation and data channel message, finishes the foundation of data channel and finishes the reservation of interface-free resources by idle message.
In addition, above-mentioned service flow authorization anchor point further comprises: acquisition module is used for the minimum bandwidth request of obtaining Business Stream establishment/modify request messages quality of service information; The value whether judge module, the value that is used for judging the minimum bandwidth request are less than or equal to the value of access business network load state and minimum bandwidth request whether be less than or equal to described dynamic service flow template maximum bandwidth reserved value and judge whether at the authentication and authorization charging functional entity within the scope of authority quality of service information; The Business Stream creation module, be used for being judged as in the situation that is at judge module, check the Business Stream information that portable terminal has created, and judge whether the Business Stream that has created can satisfy the service quality that dynamic service requires in the Business Stream establishment/modify request messages, be judged as in the situation that is, from the Business Stream that has created, select a carrying as dynamic service according to predetermined policy, judging that the Business Stream that has created can not satisfy in the situation of the service quality that dynamic service requires in the Business Stream establishment/modify request messages, the initiation Business Stream is set up, and, the QoS parameter of the Business Stream that the quality of service information that carries in the Business Stream establishment/modify request messages is set up as needs.
In accordance with a further aspect of the present invention, provide a kind of authentication and authorization charging functional entity.
Be used for the default dynamic service flow template of storage according to authentication and authorization charging functional entity of the present invention, wherein, comprise the QoS parameter information for the different media flows type in the dynamic service flow template, in portable terminal initial access authentication licensing process, described authentication and authorization charging functional entity is sent to the service flow authorization anchor point with described dynamic service flow template, described dynamic service flow module is used for described service flow authorization anchor point described portable terminal is carried out strategic decision-making, wherein, described service flow authorization anchor point is according to this dynamic service flow template, the load state of current access business network, and the quality of service information of the described mobile terminal request of carrying in the Business Stream establishment/modify request messages that receives carries out strategic decision-making to described portable terminal.
In accordance with a further aspect of the present invention, a kind of service flow authorization anchor point is provided, be positioned at access business network, be used for the dynamic service flow template default according to the authentication and authorization charging functional entity, guarantee dynamic service service quality, comprise the QoS parameter information for the different media flows type in the described dynamic service flow template.
Be used for to receive Business Stream establishment/modify request messages according to service flow authorization anchor point of the present invention, and according to quality of service information and the dynamic service flow template of the mobile terminal request of carrying in the load state of current access business network, the Business Stream establishment/modify request messages portable terminal is carried out strategic decision-making.
In addition, above-mentioned access business network can be further used for by resource reservation and data channel message, finishes the foundation of data channel and finishes the reservation of interface-free resources by idle message.
In addition, above-mentioned service flow authorization anchor point can further comprise: acquisition module is used for the minimum bandwidth request of obtaining Business Stream establishment/modify request messages quality of service information; The value whether judge module, the value that is used for judging the minimum bandwidth request are less than or equal to the value of access business network load state and minimum bandwidth request whether be less than or equal to described dynamic service flow template maximum bandwidth reserved value and judge whether at the authentication and authorization charging functional entity within the scope of authority quality of service information; The Business Stream creation module, be used for being judged as in the situation that is at judge module, check the Business Stream information that portable terminal has created, and judge whether the Business Stream that has created can satisfy the service quality that dynamic service requires in the Business Stream establishment/modify request messages, be judged as in the situation that is, from the Business Stream that has created, select a carrying as dynamic service according to predetermined policy, judging that the Business Stream that has created can not satisfy in the situation of the service quality that dynamic service requires in the Business Stream establishment/modify request messages, the initiation Business Stream is set up, and, the QoS parameter of the Business Stream that the quality of service information that carries in the Business Stream establishment/modify request messages is set up as needs.
By means of technical scheme of the present invention, by the dynamic service flow template that in AAA, prestores, can be implemented in the net environment of non-policy and charging control, to the assurance of the QoS of dynamic service.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of writing, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification, is used for together with embodiments of the present invention explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of WiMAX network in the correlation technique;
Fig. 2 is WiMAX network QoS logical architecture schematic diagram in the correlation technique;
Fig. 3 is the flow chart according to the method for ensuring service quality of the dynamic service of the embodiment of the invention;
Fig. 4 is the schematic diagram that the traffic flow template according to the embodiment of the invention defines in Radius message;
Fig. 5 is the block diagram according to the quality of service guarantee system of the dynamic service of the embodiment of the invention;
Fig. 6 is the block diagram according to the service flow authorization anchor point of the embodiment of the invention.
Embodiment
Functional overview
The present invention proposes a kind of in the WiMAX system, operator does not have in the situation of PCC entity of deployment architecture complexity, guarantee the solution of dynamic service QoS, before describing technical scheme of the present invention in detail, at first the network environment of the WiMAX system that relates among the present invention described, as shown in Figure 1, access business network (ASN) can be connected to a plurality of connection business networks (CSN), for different CSN (for example provide the wireless access service, Home CSN shown in Figure 1 and Visited CSN), simultaneously, ASN also can have a plurality of, and connects by interface between a plurality of ASN, and, SS/MS and ASN, ASN and Home CSN, also be connected by predetermined interface between the Visited CSN, Home CSN and Visited CSN.
As shown in Figure 2, in ASN, portable terminal is connected with service flow management module (SFM) by the R1 interface, SFM is connected with service flow authorization module (SFA) by the R6 interface, wherein, SFA can carry out access control to Business Stream according to local policy storehouse (local policy function module PF), and, also comprise the service business stream authorization function and the anchor point service flow authorization function that connect by Interface R4 in the service flow authorization module.In CSN, having the authentication and authorization charging functional entity AAA that comprises the signatory storehouse of user (connects in the business network in visit, has proxy authentication mandate billing function entity), and, anchor point service flow authorization function among the ASN by the policing feature module among Interface R3 and the CSN be connected AAA and be connected, the dynamic service QoS among the present invention realizes being controlled by AAA.In addition, communicate by the R5 interface between Home CSN and the Visited CSN.
The below will with at above-mentioned network architecture as implementing scene, technical scheme of the present invention is described in detail.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
Embodiment of the method
According to embodiments of the invention, provide a kind of method for ensuring service quality of dynamic service.Fig. 3 is the flow chart according to the method for ensuring service quality of the dynamic service of the embodiment of the invention, as shown in Figure 3, comprises following processing:
Step S302 arranges the dynamic service flow template in AAA, wherein, comprise qos parameter information for the different media flows type (range information etc. that for example, comprises parameter) in the dynamic service flow template.
Wherein, this traffic flow template defines as shown in Figure 4 in Radius message, and table one is the note that traffic flow template message shown in Figure 4 defines.
Table one
Type-ID (type I D) Xx for Dynamic QoS-Descriptor (dynamic QoS descriptor xx)
Description (description) This attribute describes the QoS parameter that are associated with a dynamic service flow. (this attribute is in order to describe the qos parameter relevant with dynamic service flow)
Length (length) ??6+3+TLVs
Continuation (expansion) ??C-bit=0or?1
Value (value) The sub-types are described below. (this subtype will be described below)
And, include traffic prioritization (Traffic Priority), the maximum parameters such as bandwidth (Maximum sustained traffic rate), maximum bandwidth reserved (Maximum reserved traffic rate), tolerance shake (Tolerated jitter), maximum delay (Maximum latency) that continue in this Radius message.
Step S304, in portable terminal initial access authentication licensing process, AAA is sent to service flow authorization anchor point (Anchor SFA) with the dynamic service flow template.
After above-mentioned processing, portable terminal is dynamically initiated Business Stream establishment/modify request messages, and sends to Anchor SFA by SFM.It specifically is treated to: (one) Business Stream establishment/modify request messages is made Admission control eating dishes without rice or wine to be delivered to the service flow management module by predetermined message (DSC message) according to the QoS information in the Business Stream establishment/modify request messages and interface-free resources situation; (2) the service flow management module is delivered to service flow authorization service point (Serving SFA) with Business Stream establishment/modify request messages by data channel message, and by Serving SFA Business Stream establishment/modify request messages is sent to Anchor SFA by RESV.
Step S306, Anchor SFA receive Business Stream establishment/modify request messages, and according to QoS information and the dynamic service flow template of the mobile terminal request of carrying in the load state of current ASN, the request message portable terminal are carried out strategic decision-making.
Specifically being treated among the step S306: the minimum bandwidth request that (one) Anchor SFA obtains QoS information in the Business Stream establishment/modify request messages, and compare with the load state of current ASN and the maximum bandwidth reserved in the dynamic service flow template; (2) value of judging the minimum bandwidth request whether is less than or equal to the value of ASN load state and whether the value of minimum bandwidth request is less than or equal to the value of maximum bandwidth reserved and judges whether at AAA within the scope of authority QoS information; (3) be in the situation that is in judgement, AnchorSFA checks the Business Stream information that portable terminal has created, and judge whether the Business Stream that has created can satisfy the QoS that dynamic service requires in the Business Stream establishment/modify request messages, be judged as in the situation that is, Anchor SFA selects a carrying as dynamic service according to predetermined policy from the Business Stream that has created; (4) judge that at Anchor SFA the Business Stream that has created can not satisfy in the situation of the QoS that dynamic service requires in the Business Stream establishment/modify request messages, Anchor SFA initiates Business Stream and sets up, and, the qos parameter of the Business Stream that the QoS information of carrying in the Business Stream establishment/modify request messages is set up as needs.
After step S306, ASN is by resource reservation and data channel message, finishes the foundation of data channel and finishes the reservation of interface-free resources by idle message.
Below in conjunction with example, the WiMAX dynamic service QoS under AAA control is guaranteed that realization flow is described in detail.In actual applications, guarantee that according to dynamic QoS of the present invention processing specifically comprises:
1, in user's initial access authentication licensing process, the Business Stream information that presets and dynamic service flow template by AA (access accept) message by aaa authorization to client (namely Anchor SFA).
2, client is dynamically initiated Business Stream establishment/modification request, carries the QoS information of user's request in this request, and this request is in the service flow management module of base station of eating dishes without rice or wine to send to by DSC message (above-mentioned predetermined message).
3, the service flow management module is made the access control decision-making according to this QoS information and interface-free resources situation, and this request message is passed to Serving SFA (also can be called service business stream authorization function) by data channel message.
4, by RESV this request message is sent to Anchor SFA (anchor point service flow authorization function) by Serving SFA.
5, Anchor SFA makes authorization decision according to the dynamic service flow Template Information that this dynamic service flow QoS request, ASN load state, AAA provide.
At first, Anchor SFA obtains the minimum bandwidth request (rb) in this reservation request, maximum bandwidth reserved information (ab) in more current ASN load state (cb) and the dynamic service flow template, when rb in the situation of other qos parameters in the aaa authorization scope less than or equal to ab and this reservation request, carries out follow-up processing to this reservation request less than or equal to cb and rb.
Subsequently, Anchor SFA checks the Business Stream information that the active user has created, can satisfy at the Business Stream qos parameter that has current establishment in the situation of this dynamic service QoS request, Anchor SFA selects the carrying as this dynamic service according to certain strategy (above-mentioned predetermined policy) from the Business Stream that these have created.
Business Stream qos parameter in current establishment does not have to satisfy in the situation of this dynamic service QoS request, Anchor SFA initiates the foundation of a Business Stream, with Business Stream qos parameter in this reservation request as qos parameter in the dynamic service request, and AnchorSFA is that Business Stream is assigned traffic stream identifier SFID.
6, after the strategic decision-making process of ASN is finished, will finish by resource reservation request and data channel message the foundation of data channel, and finish the reservation of air resource by idle message.
By above-mentioned processing, realized the assurance to dynamic service flow QoS.
System embodiment
According to embodiments of the invention, provide a kind of quality of service guarantee system of dynamic service.Fig. 5 is the block diagram that guarantees system according to the QoS of the dynamic service of the embodiment of the invention, as shown in Figure 5, comprises the AAA entity 520 that is positioned at CSN 52, the Anchor SFA 540 that is positioned at ASN 54, below, the processing of above-mentioned module is described in detail.
CSN 52, are used to the user that service or the agency of authentication and authorization charging are provided, and strategy and license control based on the custom system parameter are provided.
AAA entity 520, be positioned at CSN 52, be used for preserving default dynamic service flow template, wherein, comprise the qos parameter information for the different media flows type in the dynamic service flow template, and, in portable terminal initial access authentication licensing process, the dynamic service flow template is sent to Anchor SFA 540.
ASN 54, be positioned at the base station side of user terminal, be used for according to the dynamic service flow template, the user is provided the service of strategic decision-making and access, and, after carrying out strategic decision-making, by resource reservation and data channel message, finish the foundation of data channel and finish the reservation of interface-free resources by idle message.
Wherein, Anchor SFA 540, be positioned at ASN 54, be used for receive Business Stream establishment/modify request messages, and according to QoS information and the dynamic service flow template of the mobile terminal request of carrying in the load state of current ASN, the request message portable terminal is carried out strategic decision-making.
In addition, Anchor SFA 540 further comprises: acquisition module is used for the minimum bandwidth request of obtaining Business Stream establishment/modify request messages QoS information.
Judge module, the value (rb) that is used for judging the minimum bandwidth request whether is less than or equal to the value (cb) of ASN load state and whether the value (rb) of minimum bandwidth request is less than or equal to the value (ab) of maximum bandwidth reserved and judges whether at the AAA entity within the scope of authority QoS information.
The Business Stream creation module, be used for being judged as in the situation that is at judge module, check the Business Stream information that portable terminal has created, and judge whether the Business Stream that has created can satisfy the QoS that dynamic service requires in the Business Stream establishment/modify request messages, be judged as in the situation that is, from the Business Stream that has created, select a carrying as dynamic service according to predetermined policy, judging that the Business Stream that has created can not satisfy in the situation of the QoS that dynamic service requires in the Business Stream establishment/modify request messages, the initiation Business Stream is set up, and the QoS information of carrying in the Business Stream establishment/modify request messages with the portable terminal transmission is as the qos parameter of the Business Stream of needs foundation.
In addition, also comprise service flow management module 542 among the ASN 54, be used for the Business Stream establishment/modify request messages that mobile terminal receive sends, and Business Stream establishment/modify request messages is forwarded to Anchor SFA 540.
Service flow management module 542 may further include: receiver module is used for being received in the Business Stream establishment/modify request messages of eating dishes without rice or wine by the predetermined message transmission.
The Admission control module is used for making Admission control according to QoS information and the interface-free resources situation of Business Stream establishment/modify request messages.
Sending module is used for Business Stream establishment/modify request messages is forwarded to Anchor SFA 540 by service flow authorization service point 544.
In addition, in ASN 52 and CSN 54, also have local policy database (not shown among Fig. 5), be used for providing strategic decision-making.
By above-mentioned processing, can realize the assurance to the QoS of dynamic service flow.
Device embodiment one
According to embodiments of the invention, provide a kind of authentication and authorization charging functional entity (AAA) 520.As shown in Figure 5, AAA 520 is used for the default dynamic service flow template of storage, wherein, comprises the qos parameter information for the different media flows type in the dynamic service flow template.And the definition in Radius message of dynamic service flow template can be with reference to the table one in figure 4 and the embodiment of the method.
In portable terminal initial access authentication licensing process, AAA 520 is sent to Anchor SFA 540 with the dynamic service flow template, carries out strategic decision-making for Anchor SFA 540 in the Business Stream establishment/modify request messages that terminal is sent.
Wherein, the concrete processing that the request message of 540 pairs of terminals of Anchor SFA carries out strategic decision-making has been described in detail in above-mentioned embodiment of the method and system embodiment, just repeats no more at this.
By storage dynamic service flow template in AAA, realized the QoS of dynamic service is guaranteed.
Device embodiment two
According to embodiments of the invention, a kind of service flow authorization anchor point 540 is provided, be positioned at access business network 54, be used for the dynamic service flow template default according to AAA, guarantee dynamic service QoS.Wherein, Anchor SFA 540 can be with reference to figure 5 and Fig. 2.
Anchor SFA 540 is used for receiving Business Stream establishment/modify request messages, and according to QoS information and the dynamic service flow template of the mobile terminal request of carrying in the load state of current ASN, the request message portable terminal is carried out strategic decision-making.
As shown in Figure 6, Anchor SFA can further include:
Acquisition module 60 is used for the minimum bandwidth request of obtaining Business Stream establishment/modify request messages QoS information.
Judge module 62, be used for more current ASN load state (cb) and the maximum bandwidth reserved information (ab) of dynamic service flow template and the minimum bandwidth request (rb) in the reservation request, and, judge rb whether less than or equal to cb and rb less than or equal to other qos parameters of ab and this reservation request whether in the aaa authorization scope.
Business Stream creation module 64, be used for being judged as in the situation that is at judge module 62, check the Business Stream information that portable terminal has created, and judge whether the Business Stream that has created can satisfy the QoS that dynamic service requires in the Business Stream establishment/modify request messages, be judged as in the situation that is, from the Business Stream that has created, select a carrying as dynamic service according to predetermined policy, judging that the Business Stream that has created can not satisfy in the situation of the QoS that dynamic service requires in the Business Stream establishment/modify request messages, the initiation Business Stream is set up, and, the qos parameter of the Business Stream that the QoS information of carrying in the Business Stream establishment/modify request messages is set up as needs.
In sum, by means of technical scheme of the present invention, by the dynamic service flow template that in AAA, prestores, can be implemented in the net environment of non-policy and charging control, to the assurance of the QoS of dynamic service.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (13)

1. the method for ensuring service quality of a dynamic service is characterized in that, described method comprises:
The dynamic service flow template is set in the authentication and authorization charging functional entity, wherein, comprises the QoS parameter information for the different media flows type in the described dynamic service flow template;
In portable terminal initial access authentication licensing process, described authentication and authorization charging functional entity is sent to the service flow authorization anchor point with described dynamic service flow template;
Described service flow authorization anchor point receives Business Stream establishment/modify request messages, and according to quality of service information and the described dynamic service flow template of the described mobile terminal request of carrying in the load state of current access business network, the described Business Stream establishment/modify request messages described portable terminal is carried out strategic decision-making.
2. method according to claim 1 is characterized in that, before described service flow authorization anchor point receives Business Stream establishment/modify request messages, also comprises:
Described portable terminal is dynamically initiated Business Stream establishment/modify request messages, and sends to described service flow authorization anchor point by the service flow management module.
3. method according to claim 2 is characterized in that, described portable terminal dynamically is specially described Business Stream establishment/modify request messages by the processing that the service flow management module sends to the service flow authorization anchor point:
Described Business Stream establishment/modify request messages is made Admission control eating dishes without rice or wine to be delivered to described service flow management module by predetermined message according to the quality of service information in the described Business Stream establishment/modify request messages and interface-free resources situation;
Described service flow management module creates described Business Stream/modify request messages is delivered to the service flow authorization service point by data channel message, and by described service flow authorization service point described Business Stream is created/modify request messages is sent to described service flow authorization anchor point by RESV.
4. method according to claim 1 is characterized in that, after described service flow authorization anchor point carries out strategic decision-making to described portable terminal, also comprises:
Access business network is by resource reservation and data channel message, finishes the foundation of data channel and finishes the reservation of interface-free resources by idle message.
5. each described method in 4 according to claim 1 is characterized in that described QoS parameter information specifically comprises: traffic prioritization, maximum bandwidth, maximum bandwidth reserved, tolerance shake, the maximum delay of continuing.
6. method according to claim 5, it is characterized in that described service flow authorization anchor point is specially the processing that described portable terminal carries out strategic decision-making according to quality of service information and the described dynamic service flow template of the described mobile terminal request of carrying in the load state of access business network, the described Business Stream establishment/modify request messages:
Described service flow authorization anchor point obtains the minimum bandwidth request of quality of service information described in the described Business Stream establishment/modify request messages, and the load state with described current access business network, and the described maximum bandwidth reserved in the described dynamic service flow template compares, and judges whether the value of described minimum bandwidth request is less than or equal to the value of described access business network load state, and whether the value of described minimum bandwidth request is less than or equal to the value of maximum bandwidth reserved, and judge whether at described authentication and authorization charging functional entity within the scope of authority quality of service information;
Be in the situation that is in judgement, described service flow authorization anchor point checks the Business Stream information that described portable terminal has created, and judge whether the Business Stream that has created can satisfy the service quality that dynamic service requires in the described Business Stream establishment/modify request messages, be judged as in the situation that is, described service flow authorization anchor point is selected a carrying as dynamic service according to predetermined policy from the Business Stream that has created;
Judge that at described service flow authorization anchor point the Business Stream that has created can not satisfy in the situation of the service quality that dynamic service requires in the described Business Stream establishment/modify request messages, described service flow authorization anchor point is initiated Business Stream and is set up, and, the QoS parameter of the Business Stream that the quality of service information that carries in the described Business Stream establishment/modify request messages is set up as needs.
7. the quality of service guarantee system of a dynamic service is characterized in that, described system comprises:
The authentication and authorization charging functional entity, be used for preserving default dynamic service flow template, wherein, comprise the QoS parameter information for the different media flows type in the described dynamic service flow template, and, in portable terminal initial access authentication licensing process, described dynamic service flow template is sent to the service flow authorization anchor point;
The service flow authorization anchor point, be positioned at access business network, be used for receiving Business Stream establishment/modify request messages, and according to quality of service information and the described dynamic service flow template of the described mobile terminal request of carrying in the load state of current access business network, the described Business Stream establishment/modify request messages described portable terminal carried out strategic decision-making.
8. system according to claim 7 is characterized in that, described access business network further comprises:
The service flow management module is used for receiving the Business Stream establishment/modify request messages that described portable terminal sends, and described Business Stream establishment/modify request messages is forwarded to described service flow authorization anchor point.
9. system according to claim 8 is characterized in that, described service flow management module further comprises:
Receiver module is used for being received in the described Business Stream establishment/modify request messages of eating dishes without rice or wine by the predetermined message transmission;
The Admission control module is used for making Admission control according to quality of service information and the interface-free resources situation of described Business Stream establishment/modify request messages;
Sending module is used for described Business Stream establishment/modify request messages is forwarded to described service flow authorization anchor point by the service flow authorization service point.
10. system according to claim 7 is characterized in that, described access business network is further used for by resource reservation and data channel message, finishes the foundation of data channel and finishes the reservation of interface-free resources by idle message.
11. system according to claim 10 is characterized in that, described service flow authorization anchor point further comprises:
Acquisition module is used for the minimum bandwidth request of obtaining quality of service information described in the described Business Stream establishment/modify request messages;
The value whether judge module, the value that is used for judging described minimum bandwidth request are less than or equal to the value of described access business network load state and described minimum bandwidth request whether be less than or equal to described dynamic service flow template maximum bandwidth reserved value and judge whether at described authentication and authorization charging functional entity within the scope of authority quality of service information;
The Business Stream creation module, be used for being judged as in the situation that is at described judge module, check the Business Stream information that described portable terminal has created, and judge whether the Business Stream that has created can satisfy the service quality that dynamic service requires in the described Business Stream establishment/modify request messages, be judged as in the situation that is, from the Business Stream that has created, select a carrying as dynamic service according to predetermined policy, judging that the Business Stream that has created can not satisfy in the situation of the service quality that dynamic service requires in the described Business Stream establishment/modify request messages, the initiation Business Stream is set up, and, the QoS parameter of the Business Stream that the quality of service information that carries in the described Business Stream establishment/modify request messages is set up as needs.
12. a service flow authorization anchor point is positioned at access business network, it is characterized in that,
Be used for the dynamic service flow template default according to the authentication and authorization charging functional entity, guarantee dynamic service service quality, wherein, comprise the QoS parameter information for the different media flows type in the described dynamic service flow template;
Be used for receiving Business Stream establishment/modify request messages, and according to quality of service information and the described dynamic service flow template of the mobile terminal request of carrying in the load state of current access business network, the described Business Stream establishment/modify request messages described portable terminal carried out strategic decision-making;
Wherein, described service flow authorization anchor point further comprises:
Acquisition module is used for the minimum bandwidth request of obtaining quality of service information described in the described Business Stream establishment/modify request messages;
The value whether judge module, the value that is used for judging described minimum bandwidth request are less than or equal to the value of described access business network load state and described minimum bandwidth request whether be less than or equal to described dynamic service flow template maximum bandwidth reserved value and judge whether at described authentication and authorization charging functional entity within the scope of authority quality of service information;
The Business Stream creation module, be used for being judged as in the situation that is at described judge module, check the Business Stream information that described portable terminal has created, and judge whether the Business Stream that has created can satisfy the service quality that dynamic service requires in the described Business Stream establishment/modify request messages, be judged as in the situation that is, from the Business Stream that has created, select a carrying as dynamic service according to predetermined policy, judging that the Business Stream that has created can not satisfy in the situation of the service quality that dynamic service requires in the described Business Stream establishment/modify request messages, the initiation Business Stream is set up, and, the QoS parameter of the Business Stream that the quality of service information that carries in the described Business Stream establishment/modify request messages is set up as needs.
13. service flow authorization anchor point according to claim 12 is characterized in that, described access business network is further used for by resource reservation and data channel message, finishes the foundation of data channel and finishes the reservation of interface-free resources by idle message.
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