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WO2007098652A1 - Passerelle de services, système de desserte et procédé de libération de ressources de négociation de la qualité de desserte et de desserte - Google Patents

Passerelle de services, système de desserte et procédé de libération de ressources de négociation de la qualité de desserte et de desserte Download PDF

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Publication number
WO2007098652A1
WO2007098652A1 PCT/CN2006/002796 CN2006002796W WO2007098652A1 WO 2007098652 A1 WO2007098652 A1 WO 2007098652A1 CN 2006002796 W CN2006002796 W CN 2006002796W WO 2007098652 A1 WO2007098652 A1 WO 2007098652A1
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WO
WIPO (PCT)
Prior art keywords
service
resource
request
session
policy
Prior art date
Application number
PCT/CN2006/002796
Other languages
English (en)
French (fr)
Inventor
Xin Yin
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to CNB2006800140208A priority Critical patent/CN100550776C/zh
Publication of WO2007098652A1 publication Critical patent/WO2007098652A1/zh
Priority to US12/199,561 priority patent/US7852848B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/80—Actions related to the user profile or the type of traffic
    • H04L47/805—QOS or priority aware
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/15—Flow control; Congestion control in relation to multipoint traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/82—Miscellaneous aspects
    • H04L47/822—Collecting or measuring resource availability data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/82—Miscellaneous aspects
    • H04L47/824—Applicable to portable or mobile terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1023—Media gateways
    • H04L65/103—Media gateways in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1033—Signalling gateways
    • H04L65/104—Signalling gateways in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS

Definitions

  • Service gateway Service gateway, service system, quality of service negotiation and service resource release method
  • the present invention relates to a quality of service (QoS) technology in a mobile communication network, and more particularly to a service gateway, a service service system, a service quality negotiation, and a service service resource release in a mobile communication network. method.
  • QoS quality of service
  • Dynamic QoS which is a session-based dynamic QoS control mechanism
  • DQoS Dynamic QoS
  • the mechanism is delivered based on the access control, resource reservation, and dynamic policies of each session in the control plane.
  • the service awareness and policy enforcement are implemented in the data plane, which can provide strict QoS guarantee and good scalability. .
  • the quality of service request process based on the above DQoS control mechanism is as shown in FIG. Figure 1, the terminal
  • QoS Quality of Service
  • Step sl the application layer of the terminal 1 receives the service request
  • Step s2 After the application layer of the terminal 1 obtains the service request, the application layer sends an application request to the application layer of the service server 2; Step s3, the application layer of the service server 2 that obtains the application request passes the Gq interface to the policy decision function entity (Policy Decision Function) , PDF) 3 sends a service quality of service request, the specific content of the service quality of service request is to apply for a QoS token;
  • Policy Decision Function Policy Decision Function
  • PDF Policy Decision Function
  • Step s4 after receiving the service quality request, the PDF returns an authorization token to the application layer of the service server 2; Step s5, the application layer of the service server 2 returns the authorization token to the application layer of the terminal 1;
  • Step s6 The application layer of the terminal 1 sends an authorization token of the service quality of the service;
  • Step s7 the terminal 1 sends a resource application request to the gateway GPRS support node (GGSN) 40 in the WCDMA network 4 through the Gn interface according to the authorization token;
  • GGSN gateway GPRS support node
  • Step s8 the GGSN 40 sends a resource application mapping carrying the token to the PDF 3 through the Go interface; Step s9, Step s10, Step s11, and Step s1, PDF 3 determines whether the terminal 1 can perform the service.
  • Quality application if the terminal 1 can obtain the service, the GGSN requests resources from other network elements in the WCDMA network 4, such as the Serving GPRS Support Node (SGSN) 41, the access network 42, etc. (including the local GGSN). Resource application), and finally complete the quality of service request.
  • SGSN Serving GPRS Support Node
  • the prior art quality of service negotiation method requires the terminal to participate in the quality of service request, and requires the terminal and its application to support the SIP (Session Initiation Protocol) signaling of the R6 standard.
  • SIP Session Initiation Protocol
  • no terminal can support the standard, and the implementation difficulty is implemented.
  • the technical problem to be solved by the present invention is to provide a service gateway, a service service system, a service quality negotiation, and a service service resource release method, so as to implement a service quality request process without a terminal, and the deployment is simple and easy, without changing the existing network service. Rapid deployment of end-to-end QoS under the premise of the server.
  • the present invention provides a service gateway, including a service session detecting unit, configured to detect a service session request and a service session end, and further includes:
  • the service quality negotiation unit is configured to: after the service session detecting unit detects the service session request, obtain the service quality information of the service session, and request the corresponding service service resource according to the service quality information, and detect the service in the service session detecting unit. At the end of the session, the business service resource is triggered to be released.
  • the quality of service negotiation unit includes:
  • the service quality information obtaining unit applies for and obtains service quality information from the integrated service data platform after the service session detecting unit detects the service session request;
  • the resource application operation unit After the resource application operation unit obtains the service quality information, the resource for the service service corresponding to the service quality is requested by the policy decision function entity;
  • the resource release operation unit requests the policy decision function entity to release the service service resource corresponding to the service quality of the service after the service detection unit detects that the service session ends.
  • the present invention further provides a service service system, including: a service server that receives and executes a service request initiated by a terminal, completes and interacts with a terminal service; an integrated service data platform that stores service quality of service information; And a packet domain mobile communication network that provides a service access bearer channel for the terminal; a policy decision function entity that is connected to the packet domain mobile communication network and generates a service quality authorization policy; and further includes:
  • a service gateway respectively connected to the service server, the policy decision function entity, the integrated service data platform, and the mobile communication network, where the service gateway includes:
  • a service session detecting unit configured to detect a service session request and end of a service session
  • a service quality negotiation unit configured to obtain, after the service session detecting unit detects the service session request, the service quality information of the service session from the integrated service data platform, and request the corresponding service service from the service quality information to the policy decision function entity
  • the resource after the service session detecting unit detects that the service session ends, triggers release of the service service resource.
  • the service quality negotiation unit includes: a service quality of service information acquiring unit, after the service session detecting unit detects the service session request, applies for and obtains service quality information from the integrated service data platform;
  • the resource application operation unit After the resource application operation unit obtains the service quality information, the resource for the service service corresponding to the service quality is requested by the policy decision function entity;
  • the resource release operation unit requests, after the service session detecting unit detects the end of the service session, the policy decision function entity to release the service service resource corresponding to the service quality of the service.
  • the present invention also provides a method for implementing quality of service negotiation in a service service system, the service service system including an integrated service data platform, a policy decision function entity, and a packet domain mobile communication network, the method comprising the following steps:
  • the step of obtaining the service quality information specifically includes:
  • the service quality information of the service is requested from the integrated service data platform; and the service quality information of the service is obtained from the information returned by the integrated service data platform.
  • the steps for completing the resource application for business services include:
  • the policy decision function entity sends a policy to the packet domain mobile communication network according to the obtained resource request authorization request Slight information
  • the packet domain mobile communication network allocates corresponding network resources for the service request according to the policy information, and deploys the policy, and then replies to the policy decision function entity with a policy deployment report;
  • the policy decision function entity After receiving the policy deployment report, the policy decision function entity replies to the resource request authorization response information.
  • the present invention also provides a method for implementing a service service resource release in a service service system, the service service system including a policy decision function entity and a packet domain mobile communication network, including:
  • the service resource release authorization request is sent to the policy decision function entity, and the resource release is completed by the policy decision function entity interacting with the packet domain mobile communication network.
  • the step of completing resource release specifically includes:
  • the policy decision function entity sends a policy deployment request to the packet domain mobile communication network according to the obtained service resource release authorization request;
  • the packet domain mobile communication network deploys the request according to the policy, releases the corresponding service service resource, and revokes the corresponding policy;
  • the packet domain mobile communication network After the packet domain mobile communication network completes the policy revocation and resource release, it replies to the policy decision function entity with the policy deployment report;
  • the policy decision function entity After receiving the policy deployment report, the policy decision function entity replies to the resource release authorization response information.
  • the present invention Compared with the prior art, the present invention has the following beneficial effects - the present invention collects service traffic through the service gateway, detects the service session request and the end of the service session, and obtains the service quality information required for the service session from the integrated service data platform, and according to The service quality of service information is applied to the policy decision function entity for a resource required by the service service corresponding to the service quality, and after the service session ends, the service service resource is released. Since the service session detection is deployed on the unified service gateway, the terminal does not need to participate in the QoS request, and the end-to-end QoS can be deployed without changing the service server in the existing network, which greatly reduces the transformation of the existing network. Upgrade difficulty, easy to implement quickly in the existing network environment. BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 2 is a schematic diagram of the composition of a service service system according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a composition of a service gateway in a service service system according to an embodiment of the present invention
  • FIG. 4 is a flowchart of implementing a service quality negotiation and a service service resource release method according to an embodiment of the present invention. Mode for carrying out the invention
  • the main technical content of the embodiments of the present invention is: deploying the sensing points of various services on a unified service gateway, that is, the service gateway aggregates the service traffic, detects the service session request, and ends the service session, and when the service quality negotiation is performed, the service is The gateway obtains the service quality information required for the service session from the integrated service data platform, and applies to the policy decision function entity for the service service resource corresponding to the service service quality according to the service service quality information; The process of the service gateway initiating release of the service service resource.
  • the implementation difficulty can be greatly reduced.
  • the end-to-end QoS solution can be quickly deployed without changing the existing network service server.
  • FIG. 2 is a schematic structural diagram of a service service system according to an embodiment of the present invention.
  • terminal 1 is the service object of the system and is the initiator of the QoS service request.
  • the terminal 1 can be any mobile communication network-based terminal device such as a mobile phone or a PDA.
  • the service server system of the embodiment of the present invention includes a service server 2, which is the same as the prior art, and the service server 2 is configured to perform a service request initiated by the terminal 1 and complete with a service interaction of the terminal 1, and the service server 2 includes each Various types of service servers, such as a multimedia message server 20 providing a multimedia message service, a streaming server 21 providing a streaming service, a download server 22 providing an information download service, and the like, and other service servers 23 providing other business services. It is worth noting that the other service servers 23 are a class concept, which refers to service servers other than the three service servers exemplified above. Because there are many types of service servers, they are not pointed out one by one, but no matter what business servers are used by the system, Does not affect the implementation of the performance of this system.
  • the service service system of the embodiment of the present invention further includes an integrated service data platform 6, which is the same as the prior art, and the integrated service digital platform 6 stores service service quality information, which can be used to determine the comprehensive service level of the service.
  • the service service system of the embodiment of the present invention further includes a PDF 3, which is the same as the prior art, and the PDF 3 is mainly used to generate and deliver a QoS authorization policy.
  • the service system of the embodiment of the present invention further includes a mobile communication network 4, which is the same as the prior art, and the mobile communication network 4 mainly provides a bearer channel for the service access of the terminal 1.
  • the mobile communication network 4 may be a WCDMA network or other forms of networks, and will not be described in detail herein.
  • the service service system of the embodiment of the present invention further includes a service gateway 5, and the service gateway 5 points It is not connected to the service server 2, the PDF 3, and the mobile communication network 4, and its main functions are to aggregate service traffic, detect service session requests and end of service sessions, and obtain service service quality required for obtaining service sessions from the integrated service data platform 6. And, according to the service service quality information, apply for the resource required by the service service corresponding to the service quality of the PDF 3, and initiate release of the service service resource after the service session ends.
  • the service gateway 5 is connected to the mobile communication network 4 and to the service server 2 and the PDF 3. It can be seen that the service gateway 5 is in the core position of the system provided by the embodiment of the present invention, and the service request initiated by the terminal 1 must pass through the service gateway 5, and the service gateway 5 is responsible for interacting with the PDF 3 and the service server 2 of the server, and Responsible for communicating with the mobile communication network 4.
  • the mobile communication network 4 connected to the service gateway 5 and the PDF 3 is a GGSN 40, the GGSN 40 is connected to the SGSN 41 in the mobile communication network 4, and the SGSN 41 is connected to the mobile communication network 4.
  • the other network elements are connected, and based on this, the mobile communication network 4 communicates with the terminal 1, the PDF 3 in the server, and the service gateway 5.
  • the service gateway 5 in the embodiment of the present invention mainly includes:
  • a service session detecting unit 51 configured to detect a service session request and end of a service session
  • the QoS negotiation unit 52 is configured to: after detecting the service session request, obtain the service quality information of the service session, and request the corresponding service service resource according to the service quality information, and trigger the release service after detecting the end of the service session.
  • the service quality negotiation unit may specifically include:
  • the service quality information obtaining unit 521 after detecting the service session request, apply for and obtain the service quality information from the integrated service data platform;
  • the resource application operation unit 522 after acquiring the service quality information, requests the policy decision function entity to request the service service corresponding to the service quality;
  • the resource release operation unit 523 after detecting the end of the service session, requests the policy decision function entity to release the service service resource corresponding to the service quality of the service.
  • the entities involved in the service quality negotiation and the service service resource release mainly include the terminal, the GGSN in the mobile communication network, and the PDF.
  • the service gateway, the integrated service data platform, and the service server, the specific service quality negotiation process is as follows - Step s201: The terminal obtains a service session request, and sends a corresponding service session request to the service server through the mobile communication network, and the service gateway intercepts the service session Business session request.
  • Step s202 The service gateway analyzes the intercepted service session request, and obtains specific service identification information. Then, an integrated service level request is requested from the integrated service data platform, and the service quality information of the service is requested.
  • Step S203 The mobile data platform determines the service quality information required by the service according to the user information and the service information that are requested by the comprehensive service level, and transmits the result to the service gateway through the service comprehensive service level response.
  • Step S204 The service gateway initiates a resource request authorization request to the PDF.
  • Step s205 The PDF sends the policy information to the GGSN (GPRS gateway support node) of the mobile communication network according to the obtained resource request authorization request and the situation of the mobile communication network, and the GGSN allocates the service request according to the policy information.
  • GGSN GPRS gateway support node
  • Step s206 After completing the policy deployment and resource allocation, the GGSN returns a policy deployment report to the PDF.
  • Step s208 The service gateway forwards the intercepted service session request to the corresponding service server.
  • Step s209 The service server and the terminal perform user plane data exchange in a channel with end-to-end QoS guarantee, thereby completing service quality negotiation.
  • the service gateway of the embodiment of the present invention can also complete the release of service service resources, and the same reference figure
  • Step s210 When the service gateway senses that the service session ends, the service gateway collects the current service session resource allocation information and generates a resource release authorization request.
  • Step S211 The service gateway sends the resource release authorization request to the PDF.
  • Step s212 The PDF sends a policy deployment request to the GGSN in the mobile communication network according to the obtained resource release authorization request and the situation of the mobile communication network, and the GGSN releases the corresponding resource according to the policy deployment request, and cancels the corresponding policy. .
  • Step s213 After the GGSN completes the policy revocation and the resource release, the GGSN returns a policy deployment report to the PDF.
  • Step s214 After receiving the policy deployment report, the PDF returns a resource release authorization response message to the service gateway.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Description

业务网关、 服务系统、 服务质量协商及服务资源释放方法 技术领域
本发明涉及一种移动通讯网络中服务质量（Quality of Service, QoS )技术， 更具体 的说， 本发明涉及一种移动通讯网络中的业务网关、业务服务系统、服务质量协商及业 务服务资源释放方法。 发明背景
随着 IP承载技术在移动通信网络中的广泛应用， 如何保证移动网分组域下的 QoS 需求， 使移动网络能根据不同业务特点给用户提供满意的服务是业界越来越关注的问 题。
为了在移动通讯网络分组域下实现端到端 QoS服务，一种名为动态 QoS (Dynamtic QoS, DQoS) ， 即基于会话的动态 QoS控制机制成为近来的研究方向。 该机制通过在 控制平面基于每个会话的接入控制、资源预留和动态的策略下发； 在数据平面完成业务 感知和策略执行， 既能够提供严格的 QoS保证， 又具有良好的可扩展性。
目前， 基于上述 DQoS控制机制的服务质量请求过程如附图 1所示。 图 1中， 终端
1和业务服务器 2是端到端 QoS服务的承载实体， 其中终端 1发起业务请求， 业务服务 器 2执行所述终端 1发起的业务请求、 完成和终端 1的业务交互， 策略决策功能实体 3 生成服务质量授权策略， 具体的， 一次服务质量（QoS)协商过程如下：
步骤 sl， 终端 1的应用层接收业务请求；
步骤 s2，终端 1的应用层得到业务请求后，向业务服务器 2的应用层发送应用请求； 步骤 s3， 得到该应用请求的业务服务器 2的应用层通过 Gq接口向策略决策功能实 体（Policy Decision Function, PDF) 3发送业务服务质量请求， 该业务服务质量请求的 具体内容是申请 QoS令牌；
步骤 s4， PDF接到业务服务质量请求后， 向业务服务器 2的应用层返回授权令牌； 步骤 s5， 业务服务器 2的应用层将该授权令牌返回至终端 1的应用层；
步骤 s6, 终端 1的应用层下发业务服务质量的授权令牌；
步骤 s7， 终端 1根据该授权令牌通过 Gn接口向 WCDMA网络 4中的网关 GPRS 支持节点 （Gateway GPRS Support Node , GGSN) 40发出资源申请请求；
步骤 s8, GGSN 40通过 Go接口向 PDF 3发送携带令牌的资源申请映射； 步骤 s9、步骤 sl0、步骤 sll及步骤 sl2， PDF 3决策该终端 1是否能进行本次服务 质量申请， 如果终端 1可以获得服务， 便由 GGSN向 WCDMA网络 4中的其他网元， 例如服务 GPRS支持节点 （Serving GPRS Support Node, SGSN) 41， 接入网 42等请求 资源（包括 GGSN的本地资源申请） ， 最终完成服务质量请求。
上述现有技术有如下缺点： '
首先， 该现有技术的服务质量协商方法需要终端参与服务质量请求， 并要求终端及 其应用必须支持 R6标准的 SIP (会话初始协议）信令， 伹目前还没有终端能支持该标 准， 实施难度极大；
其次， 目前 3G网络业务服务器种类和数量众多，现有技术要求每一个业务服务器作 为业务感知点， 其部署实施的难度很大；
再次， 现有技术无法做到在不改动现网业务服务器的前提下部署实施端到端 QoS。 发明内容
本发明解决的技术问题是提供一种业务网关、业务服务系统、服务质量协商及业务 服务资源释放方法， 以实现无需终端参与服务质量请求过程， 且部署实施简单易行， 在 不改动现网业务服务器的前提下快速部署实施端到端 QoS。
本发明提供一种业务网关， 包括有业务会话检测单元， 用于检测业务会话请求及 业务会话结束， 还包括有：
服务质量协商单元， 用于在业务会话检测单元检测 a业务会话请求后， 获取业务会 话的服务质量信息， 及根据该服务质量信息请求相应的业务服务所需资源， 在业务会话 检测单元检测到业务会话结束时， 触发释放业务服务资源。
下述业务网关的技术方案为可选技术方案。
所述服务质量协商单元包括：
业务服务质量信息获取单元， 在业务会话检测单元检测到业务会话请求后， 向综合 业务数据平台申请并获取服务质量信息；
资源申请操作单元， 获取业务服务质量信息后， 向策略决策功能实体申请服务质量 对应的业务服务所需资源；
资源释放操作单元， 在业务检测单元检测到业务会话结束后， 向策略决策功能实体 请求释放该业务的服务质量对应的业务服务资源。
本发明还提供一种业务服务系统， 包括： 接收并执行终端发起的业务请求、完成和 终端业务交互的业务服务器； 保存业务服务质量信息的综合业务数据平台； 与终端相连 并为终端提供业务访问承载通道的分组域移动通讯网络；与所述分组域移动通讯网络相 连、 生成服务质量授权策略的策略决策功能实体； 还包括有：
分别与所述业务服务器、策略决策功能实体、 综合业务数据平台以及移动通讯网络 相连的业务网关， 所述业务网关包括有：
业务会话检测单元， 用于检测业务会话请求及业务会话结束； 以及
服务质量协商单元， 用于在业务会话检测单元检测到业务会话请求后， 从综合业务 数据平台处获取业务会话的服务质量信息，根 该服务质量信息向策略决策功能实体请 求相应的业务服务所需资源， 在业务会话检测单元检测到业务会话结束后， 触发释放业 务服务资源。
下述业务服务系统的技术方案为可选技术方案。
所述服务质量协商单元包括- 业务服务质量信息获取单元， 在业务会话检测单元检测到业务会话请求后， 向综合 业务数据平台申请并获取服务质量信息；
资源申请操作单元， 获取业务服务质量信息后， 向策略决策功能实体申请服务质量 对应的业务服务所需资源；
资源释放操作单元， 在业务会话检测单元检测到业务会话结束后， 向策略决策功能 实体请求释放该业务的服务质量对应的业务服务资源。
本发明还提供一种实现业务服务系统中服务质量协商的方法， 所述业务服务系统 包括有综合业务数据平台、策略决策功能实体和分组域移动通讯网络， 该方法包括如下 步骤：
在检测到终端的业务请求后， 从综合业务数据平台处获取该业务的服务质量信息； 根据所述服务质量信息触发资源申请过程， 通过策略决策功能实体与分组域移动通 讯网络交互完成业务服务所需资源申请。
下述实现业务服务系统中服务质量协商的方法的技术方案为可选技术方案。
所述获取服务质量信息的步骤具体包括：
在捡测到业务会话请求后， 向综合业务数据平台请求该业务的服务质量信息； 从综合业务数据平台返回的信息中获取该业务的服务质量信息。
完成业务服务所需资源申请的步骤具体包括：
根据业务的服务质量信息向策略决策功能实体发送资源申请授权请求；
策略决策功能实体根据获得的所述资源申请授权请求向分组域移动通讯网络下发策 略信息；
分组域移动通讯网络根据所述策略信息， 为该次业务请求分配相应网络资源， 并部 署策略， 然后向策略决策功能实体回复策略部署报告；
策略决策功能实体收到所述策略部署报告后， 回复资源申请授权响应信息。
本发明还提供一种实现业务服务系统中业务服务资源释放的方法， 所述业务服务系 统包括有策略决策功能实体和分组域移动通讯网络， 包括：
在检测到业务会话结束后， 收集本次业务会话资源分配信息， 生成业务资源释放授 权请求；
将所述业务资源释放授权请求发送至策略决策功能实体， 通过策略决策功能实体与 分组域移动通讯网络交互完成资源释放。
可选的， 所述完成资源释放的步骤具体包括：
向策略决策功能实体发送所述业务资源释放授权请求；
策略决策功能实体根据获得的所述业务资源释放授权请求向分组域移动通讯网络下 发策略部署请求；
分组域移动通讯网络根据该策略部署请求， 释放对应的业务服务资源， 并撤销对应 的策略；
分组域移动通讯网络完成策略撤销和资源释放后， 向策略决策功能实体回复策略部 署报告； '
策略决策功能实体收到策略部署报告后， 回复资源释放授权响应信息。
与现有技术相比， 本发明具有以下有益效果- 本发明通过业务网关汇集业务流量、 检测业务会话请求和业务会话结束、 向综合业 务数据平台获取业务会话所需的业务服务质量信息，并根据所述业务服务质量信息向所 述策略决策功能实体申请业务服务质量对应的业务服务所需资源， 并在业务会话结束 后， 发起释放所述业务服务资源。 由于业务会话检测部署在统一的业务网关上， 不需要 终端参与 QoS请求，且在不改动现有网络中的业务服务器的前提下可实施部署端到端的 QoS, 极大地降低了现有网络的改造升级难度， 易于在现有网络环境下快速实施。 附图简要说明
图 1是现有技术服务质量协商示意图；
图 2是本发明实施方式的业务服务系统的组成示意图； N2006/002796 图 3是本发明实施方式的业务服务系统中业务网关的一种组成示意图；
图 4是本发明实施方式的服务质量协商及业务服务资源释放方法的实现流程图。 实施本发明的方式
本发明实施方式的主要技术内容在于： 将各种业务的感知点部署在统一的业务网关 上， 即由业务网关汇集业务流量、检测业务会话请求和业务会话结束， 业务服务质量协 商时， 由业务网关向综合业务数据平台获取业务会话所需的业务服务质量信息， 并根据 所述业务服务质量信息向策略决策功能实体申请业务服务质量对应的业务服务所需资 源； 业务会话结束后， 同样由所述业务网关发起释放所述业务服务资源的过程。 由于不 需每一个业务服务器作为业务感知点进行部署， 可大大降低实施难度， 可以做到在不改 动现网业务服务器的前提下快速部署实施端到端 QoS方案。
参考图 2， 图 2是本发明实施方式提供的业务服务系统的组成示意图。 图 2中， 终 端 1是系统的服务对象， 是 QoS业务请求的发起者， 终端 1可以是手机、 PDA等任何 基于移动通讯网络的终端设备。
本发明实施方式的业务服务系统中包括有业务服务器 2， 与现有技术相同， 所述业 务服务器 2用于执行所述终端 1发起的业务请求、完成和终端 1业务交互， 业务服务器 2包括各种类型的业务服务器， 例如提供彩信服务的彩信服务器 20、提供流媒体服务的 流媒体服务器 21、 提供信息下载服务的下载服务器 22等等， 另外， 也包括提供其他业 务服务的其他业务服务器 23。 值得说明的是， 其他业务服务器 23是个类概念， 是指除 上述例举的三种业务服务器以外的业务服务器， 因为业务服务器种类繁多， 不再一一指 出， 但无论系统应用什么业务服务器， 都不影响本系统性能的实现。
另外， 本发明实施方式的业务服务系统中还包括有综合业务数据平台 6, 与现有技 术相同， 所述综合业务数字平台 6保存有业务服务质量信息， 可用于确定业务的综合服 务级别。
另外， 本发明实施方式的业务服务系统中还包括有 PDF 3， 与现有技术相同，一所述 PDF 3主要用于生成并下发 QoS授权策略。
另外， 本发明实施方式的业务服务系统中还包括有移动通讯网络 4， 与现有技术相 同， 所述移动通讯网络 4主要为所述终端 1提供业务访问的承载通道， 具体实现时， 所 述移动通讯网络 4可以是 WCDMA网络， 也可以是其他形式的网络， 这里不再详述。
另外， 本发明实施方式的业务服务系统中还包括有业务网关 5， 所述业务网关 5分 别与所述业务服务器 2、 PDF 3以及移动通讯网络 4相连， 其主要功能是汇集业务流量、 检测业务会话请求和业务会话结束、从综合业务数据平台 6处获取业务会话所需的业务 服务质量信息，并根据所述业务服务质量信息向所述 PDF 3申请业务服务质量对应的业 务服务所需资源， 并在业务会话结束后， 发起释放所述业务服务资源。
本发明实施方式中业务网关 5既与移动通讯网络 4相连， 又与业务服务器 2和 PDF 3相连。 可见业务网关 5处于本发明实施方式提供的这种系统的核心位置， 由终端 1发 起的业务请求必经该业务网关 5， 由该业务网关 5负责与服务端的 PDF 3和业务服务器 2交互， 并负责与移动通讯网络 4通信。 具体在移动通讯网络 4中， 与所述业务网关 5 和 PDF 3相连的是 GGSN 40， GGSN 40在所述的移动通讯网络 4中与 SGSN 41相连， 而 SGSN 41则与移动通讯网络 4中的其他网元相连，基于此，移动通讯网络 4与终端 1、 服务端中的 PDF 3和业务网关 5相互通信。
下面详细说明本发明实施方式中的业务网关， 参考图 3， 本发明实施方式中的业务 网关 5主要包括有：
业务会话检测单元 51 , 用于检测业务会话请求及业务会话结束； 以及
服务质量协商单元 52， 用于在检测到业务会话请求后， 获取业务会话的服务质量信 息、 及根据该服务质量信息请求相应的业务服务所需资源， 在检测到业务会话结束后， 触发释放业务服务资源过程， 具体实现时， 所述服务质量协商单元可具体包括：
业务服务质量信息获取单元 521， 在检测到业务会话请求后， 向综合业务数据平台 申请并获取服务质量信息；
资源申请操作单元 522， 获取业务服务质量信息后， 向策略决策功能实体申请服务 质量对应的业务服务所需资源；
资源释放操作单元 523， 在检测到业务会话结束后， 向策略决策功能实体请求释放 该业务的服务质量对应的业务服务资源。
下面详细说明基于所述业务网关进行服务质量协商及业务服务资源释放的方法，如 图 4所示， 服务质量协商及业务服务资源释放具体涉及的实体主要包括终端、移动通讯 网络中的 GGSN、 PDF, 业务网关、 综合业务数据平台以及业务服务器， 具体服务质量 协商流程如下- 步骤 s201 : 所述终端得到业务会话请求， 并把相应的业务会话请求通过移动通讯 网络向业务服务器发送， 业务网关截获该业务会话请求。
步骤 s202: 所述业务网关分析截获的业务会话请求， 获得具体的业务标识信息， 然后向综合业务数据平台请求综合业务级别请求， 要求获取该业务的服务质量信息。 步骤 S203 : 所述移动数据平台根据所述综合服务级别请求提供的用户信息和业务 信息， 确定该业务需要的服务质量信息， 并将结果通过业务综合服务级别响应传递给业 务网关。
步骤 S204: 所述业务网关向 PDF发起资源申请授权请求。
步骤 s205: PDF根据获得的所述资源申请授权请求以及移动通讯网络的情况， 向 移动通讯网络的 GGSN (GPRS网关支持节点）下发策略信息， GGSN根据所述策略信 息， 为该次业务请求分配必要的网络资源， 并部署策略。
步骤 s206: GGSN完成策略部署和资源分配后， 向 PDF回复策略部署报告。 步骤 s207: PDF收到所述策略部署报告后， 向业务网关回复资源申请授权相应信 息。
步骤 s208: 所述业务网关将截获的业务会话请求转发给对应的业务服务器。
步骤 s209: 所述业务服务器和终端在一个有端到端 QoS保证的通道中进行用户面 数据交换， 从而完成服务质量协商。
另外，通过本发明实施方式的业务网关还可完成业务服务资源的释放， 同样参考图
4， 业务服务资源的释放具体流程如下：
步骤 s210: 所述业务网关感知到本次业务会话结束时， 该业务网关收集本次业务 会话资源分配信息， 生成资源释放授权请求。
步骤 S211 : 所述业务网关向 PDF发送所述资源释放授权请求。
步骤 s212: PDF根据获得的所述资源释放授权请求以及移动通讯网络的情况， 向 移动通讯网络中的 GGSN下发策略部署请求， GGSN根据该策略部署请求，释放对应的 资源， 并撤销对应的策略。
步骤 s213: GGSN完成策略撤销和资源释放后， 向 PDF回复策略部署报告。 步骤 s214: PDF收到策略部署报告后， 向业务网关回复资源释放授权响应信息。 以上所述仅为本发明的优选实施方式，并不构成对本发明保护范围的限定。任何在 本发明的精神和原则之内所作的任何修改、等同替换和改进等， 均应包含在本发明的权 利要求保护范围之内。

Claims

权利要求
1. 一种业务网关， 包括有业务会话检测单元， 用于检测业务会话请求及业务会话 结束， 其特征在于， 还包括有：
服务质量协商单元， 用于在业务会话检测单元检测到业务会话请求后， 获取业务会 话的服务质量信息， 及根据该服务质量信息请求相应的业务服务所需资源， 在业务会话 检测单元检测到业务会话结束时， 触发释放业务服务资源。
2. 根据权利要求 1所述的业务网关， 其特征在于， 所述服务质量协商单元包括： 业务服务质量信息获取单元， 在业务会话检测单元检测到业务会话请求后， 向综合 业务数据平台申请并获取服务质量信息；
资源申请操作单元， 获取业务服务质量信息后， 向策略决策功能实体申请服务质量 对应的业务服务所需资源；
资源释放操作单元， 在业务检测单元检测到业务会话结束后， 向策略决策功能实体 请求释放该业务的服务质量对应的业务服务资源。
3. —种业务服务系统， 包括- 接收并执行终端发起的业务请求、 完成和终端业务交互的业务服务器；
保存业务服务质量信息的综合业务数据平台；
与终端相连并为终端提供业务访问承载通道的分组域移动通讯网络；
与所述分组域移动通讯网络相连、 生成服务质量授权策略的策略决策功能实体； 其特征在于， 还包括有：
分别与所述业务服务器、策略决策功能实体、综合业务数据平台以及移动通讯网络 相连的业务网关， 所述业务网关包括有- 业务会话检测单元， 用于检测业务会话请求及业务会 i舌结束； 以及
服务质量协商单元， 用于在业务会话检测单元检测到业务会话请求后， 从综合业务 数据平台处获取业务会话的服务质量信息，根据该服务质量信息向策略决策功能实体请 求相应的业务服务所需资源， 在业务会话检测单元检测到业务会话结束后， 触发释放业 务服务资源。
4. 如权利要求 3所述的业务服务系统， 其特征在于， 所述服务质量协商单元包括- 业务服务质量信息获取单元， 在业务会话检测单元检测到业务会话请求后， 向综合 业务数据平台申请并获取服务质量信息；
资源申请操作单元， 获取业务服务质量信息后， 向策略决策功能实体申请服务质量 对应的业务服务所需资源；
资源释放操作单元， 在业务会话检测单元检测到业务会话结束后， 向策略决策功能 实体请求释放该业务的服务质量对应的业务服务资源。
5.一种实现业务服务系统中服务质量协商的方法， 所述业务服务系统包括有综合 业务数据平台、 策略决策功能实体和分组域移动通讯网络， 其特征在于， 该方法包括如 下步骤：
在检测到终端的业务请求后， 从综合业务数据平台处获取该业务的服务质量信息； 根据所述服务质量信息触发资源申请过程， 通过策略决策功能实体与分组域移动通 讯网络交互完成业务服务所需资源申请。
6.根据权利要求 5所述的实现业务服务系统中服务质量协商的方法， 其特征在于， 所述获取服务质量信息的步骤具体包括- 在检测到业务会话请求后， 向综合业务数据平台请求该业务的服务质量信息； 从综合业务数据平台返回的信息中获取该业务的服务质量信息。
7.根据权利要求 5或 6所述的实现业务服务系统中服务质量协商的方法，其特征在 于， 完成业务服务所需资源申请的步骤具体包括：
根据业务的服务质量信息向策略决策功能实体发送资源申请授权请求；
策略决策功能实体根据获得的所述资源申请授权请求向分组域移动通讯网络下发策 略信息；
分组域移动通讯网络根据所述策略信息， 为该次业务请求分配相应网络资源， 并部 署策略， 然后向策略决策功能实体回复策略部署报告；
策略决策功能实体收到所述策略部署报告后， 回复资源申请授权响应信息。
8.一种实现业务服务系统中业务服务资源释放的方法，所述业务服务系统包括有策 略决策功能实体和分组域移动通讯网络， 其特征在于， 包括- 在检测到业务会话结束后， 收集本次业务会 :1舌资源分配信息， 生成业务资源释放授 权请求；
将所述业务资源释放授权请求发送至策略决策功能实体， 通过策略决策功能实体与 分组域移动通讯网络交互完成资源释放。
9.根据权利要求 8所述的实现业务服务系统中业务服务资源释放的方法，其特征在 于， 所述完成资源释放的步骤具体包括：
向策略决策功能实体发送所述业务资源释放授权请求； 策略决策功能实体根据获得的所述业务资源释放授权请求向分组域移动通讯网络下 发策略部署请求；
分组域移动通讯网络根据该策略部署请求， 释放对应的业务服务资源， 并撤销对应 的策略；
分组域移动通讯网络完成策略撤销和资源释放后， 向策略决策功能实体回复策略部 署报告；
' 策略决策功能实体收到策略部署报告后， 回复资源释放授权响应信息。
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