城域以太网业务  

Metro Ethernet Services

作　　者：毕立波[1] 葛坚[1] 

机构地区：[1]信息产业部电信研究院通信标准研究所

出　　处：《现代电信科技》2006年第6期51-54,共4页Modern Science & Technology of Telecommunications

摘　　要：以太网业务是通过标准的、已经得到广泛认同的以太网接口来提供的。以太网业务因为具有容易使用、价格便宜以及灵活的带宽可扩展性等特点得到了业界的广泛关注。现在有很多的业务供应商都在提供以太网业务,一些供应商已经把以太网业务扩展到了城域甚至是广域的范围内。对城域以太网业务产生的背景和城域以太网业务的定义、框架结构、业务类别以及业务属性等进行了论述,并给出了一些应用实例。Ethernet .services are provided over a standard and well-understood Ethemet interface, Ethemet services are widely paid attention to because of many notable advantages such as ease of use, cost effectiveness and bandwidth flexibility etc. At present, there are lots of service providers that offer Ethemet Services, some of which have reached to metropolitan area even the wide area. This paper discusses the background, definition ＆ framework, service types and service attributes of Metro Ethernet services and then provides some example services.

关 键 词：城域以太网 EVC E-Line E-LAN 业务属性 

分 类 号：TP393.1[自动化与计算机技术—计算机应用技术] TP393.11[自动化与计算机技术—计算机科学与技术]