一个基于SLS的接入网边到边QoS管理机制  

An SLS Based Edge-to-Edge QoS Management Mechanism in Access Network

作　　者：张晋豫[1,2] 孟洛明[1] 邱雪松[1] 李红辉[3] 刘峰[3] 

机构地区：[1]北京邮电大学计算机系 [2]北京交通大学计算机与信息技术学院 北京 100044 [3]北京交通大学计算机与信息技术学院

出　　处：《电子与信息学报》2005年第7期1141-1146,共6页Journal of Electronics & Information Technology

基　　金：国家自然科学基金(60202003;90204002)北京交通大学人才基金(2004RC036)资助课题

摘　　要：该文提出了一个基于SLS的EPON的边到边QoS管理机制。通过EPON很好地解决了带宽不足问题;通过优化度评估算法为用户业务选择业务类。由于优化度评估公式基于用户在市场上的行为,考虑了负载、价格和性能因素,因此不但可通过引导业务量沿不同的业务类有序分布在DiffServ机制下实现了对用户业务的定量的边到边QoS保证,同时可以提高用户业务的性能价格比。实验结果很好地证明该机制的优点。This paper addresses a Service Level Specification (SLS)-based quantitative edge-to-edge QoS managernent mechanism in access network. By using Ethernet Passive Optical Network(EPON), it well settles the insufficiency of bandwidth in IP, it selects a service class for user service by the evaluation algorithm of optimal ratio, because the evaluation formula of optimal ratio is based on the user behavior in market and takes into accounts burden element, price element, and performance element, it not only can support quantitative QoS in DiffServ by inducing traffic orderly distributed along the service class, but also can provide well performance with less cost. Experimental results have perfectly verified it's metrics.

关 键 词：边到边QoS管理 以太无源光网络 差分服务 业务水平说明 媒体接入控制 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]