宽带网络资源管理系统的架构与体系结构(doc 28页)

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宽带网络资源管理系统的架构与体系结构(doc 28页)

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题目：宽带网络资源管理系统

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日期：2010年11月日至2011年6月6日

摘要

随着互联网在中国迅猛的发展，特别是互联网技术的告诉发展，网络正在走进千家万户。发达的信息通信干线将告诉宽带网络送到每一个社区，而社区的局域网又将告诉宽带网络送到了每一个家庭。在此形式下，以服务用户为核心的社区网络正在兴起。

同普遍意义上的网络管理一样，虽然宽带接入的网络管理的网络结构相对简单，但同样面对分布式、异构的网络环境。给出了宽带网络资源管理系统的框架并且通过对比传统的网络管理软件，提出了本系统的设计目标，即分布对象、分层设计、跨平台性和可扩展性。

AAA管理是网络管理的重要模块。所谓的AAA就是：认证（Authentication）即验证用户的身份；授权（Authorization）即依据认证结果开放网络服务给用户；记账（Accounting）即记录用户对各种网络服务的用量，并提供给计费系统。宽带网络管理不仅需要提供最基本的宽带接入服务，而且还需要提供内容丰富的增值服务，如视频点播、远程教育等；另外还需要提供灵活的计费方式，如包月、按流量、按时间等，以及灵活的计费策略，如节假日优惠，分时段优惠等，这些都是AAA管理需要管理的范畴。

根据HFC网络特点阐述了其AAA的实现机制，并且阐述了通用对象请求代理体系结构在网络资源管理系统中的地位，以及详细分析了AAA的整体框架和实现。

关键词:网络管理；计费管理；AAA；CORBA；宽带接入；网管

ABSTRACT

This paper based on the project that supported by the funds of Beijing Science and Technology Committee.The project is a broadband community network management based on HFC.This paper first introduces some related market and technology backgrounds,and makes a conclusion that there is seldom the netword management sortware with its own reserved copyright now in China.

Although the community netword structure is compatatively simple,as a common netword management,community netword management also fronted distributed,beterogeneous network environment.This paper persents the system farmeword of our community netword management and then bring forwards design goals of our system;distributed objects,hierarchical design,platform independent and extendsible.

AAA Management is one of the important functions of network management.It is also the key that the ISP withdraws the investments.The community network management provides not only the access service of the broad band , but also the additional services such as VOD,remote education.Besides,it should provide flexible accountion ways,such as accountion by month,by traffic,or by time.It also provides flexble accountion policy,such as making a discount on holiday,or in period of time.What are talked above are all in the scope of AAA Management.

The implement of AAA Management is depended on AAA. AAA is the abbreviation of authentication,authorization and accounting.Authentication can be known as the identification of the user;the mean of Authorization is the permission of the network services to the user by the result of Authentication;Also,Accountion can paly as the recording role for the quantity of the user spending on the network services.

In this paper,we expatiate on the mechanism of the implement of AAA by the peculiarities of the sructure of HFC, and analyze the use of CORBA in the AAA Management.Moreover,we are able to provide design model of AAA Management.

Keywords: Network management;Accounting manage;CORBA;AAA;broadband access