Standard No.:	YD/T 1179-2002
English Name:	Technical Specification of Ethernet over SDH
Chinese Name:	在同步数字体系(SDH)上传送以太网帧的技术规范
Chinese Classification:	L79    Opening and system interconnection of computer
Professional Classification:	YD    Professional Standard - Telecommunication
Issued by:	Ministry of Information Industry
Issued on:	2002-02-01
Implemented on:	2002-2-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	6500 words
Price(USD):	190.00
Delivery:	via email in 1~3 business day

根据ITU-T标准X.200，为了在对等系统间提供协议兼容性，本标准规范了Ethernet frame(由IEEE 802.3工作组定义)over SDH 协议栈，它可用于同步数字系列（ITU-T G.707标准）。ITU-T X.85/Y.1321标准中引入的LAPS协议和规范继续用来为以太网到LAPS提供适配。LAPS描述了一种类似HDLC的成帧结构，用来封装IEEE 802.3以太网MAC帧，它提供了点到点全双工操作。