电信城域以太网业务：概念、模型和结构

doi:10.3969/j.issn.1000-0801.2007.10.013

Telecommunications Science ›› 2007, Vol. 23 ›› Issue (10): 45-48.doi: 10.3969/j.issn.1000-0801.2007.10.013

• Topic: telecommunication level Ethernet • Previous Articles Next Articles

Metro Ethernet Service: Concept, Model and Architecture

Zhehong Tang¹,Yulu Ma¹,Ming Feng²,Pingxuan Chai¹

¹ Shanghai Research Institute of China Telecom Corporation Ltd.., Shanghai 200122, China
² China Telecom Corporation Ltd., Beijing 100030, China

Online:2007-10-15 Published:2017-06-22

Abstract

Zhehong Tang,Yulu Ma,Ming Feng,Pingxuan Chai. Metro Ethernet Service: Concept, Model and Architecture[J]. Telecommunications Science, 2007, 23(10): 45-48.

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EVC属性	EVC参数
EVC类型	点到点、或多点到多点
EVC标识符	任意字符串，用于惟一地标识本EVC
UNI列表	与本EVC关联的UNI标识符列表
最大UNI数	与本EVC相关联的最大UNI的数量
业务帧传送	丢弃、无条件传送、条件传送或透传
CE-VLAN标记保留指示	是或否
L2CP处理	隧道透传或丢弃
CoS标识符	EVC标识符、802.1p值、IP DSCP值或L2CP字段值
EVC传送性能	对于某一个CoS，可以定义帧传送的时延、抖动和丢包率
MTU大小	大于1 522的整数值

UNI属性	UNI参数
UNI标识符	任意文本字符串
物理层	IEEE 802.3定义的几种物理媒质、速率以及模式
MAC层	IEEE 802.3定义的几种MAC操作模式之一
业务复用状态	是或否
绑定状态	是或否
全流量绑定	是或否
UNI的EVC ID	在UNI上复用的EVC实例的列表
CE VID/EVC映射	在此UNI上，CE设备的VID到EVC的映射表
EVC数目门限	不小于1的整数，标明此UNI接口能支持最多的EVC数目
UNI带宽模板	可选属性，定义通过UNI内所有流量所需遵循的速率参数，即<CIR,CBS,EIR,EBS,CM,CF>的六元组，应用于入向
EVC带宽模板	可选属性，定义通过某EVC内的流量所需遵循的速率参数，即<CIR,CBS,EIR,EBS,CM,CF>的六元组，应用于入向
CoS带宽模板	可选属性，定义通过某EVC 内的某CoS 类的流量所需遵循的速率参数，即<CIR,CBS,EIR,EBS,CM,CF>的六元组，应用于入向
二层控制协议处理	隧道透传或丢弃

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Metro Ethernet Service: Concept, Model and Architecture

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