PTN关键技术VPLS技术白皮书VIP免费

VPLS技术白皮书 华为技术有限公司 Huaw ei Technologies Co., Ltd. VPLS 技术白皮书 http://www.huawei.com/cn/products/datacomm Copyright © 2007 华为技术有限公司 版权所有，侵权必究 i 目 录 1 前言 ....................................................................................................................................... 1 2 技术简介 ................................................................................................................................ 1 1.1 VPLS PW 建立的两种信令方式 ..............................................................................................2 1.2 报文转发 .................................................................................................................................5 1.2.1 VPLS 网络的基本传输构件 ..........................................................................................5 3 关键技术 ................................................................................................................................ 9 3.1 MAC 地址学习 ......................................................................................................................9 3.2 PE 数增大时PW 全连接问题 ................................................................................................9 3.3 VPLS 可靠性 ...................................................................................................................... 13 3.3.1 CE 接入的可靠性 ...................................................................................................... 13 3.3.2 HVPLS 的可靠性 ...................................................................................................... 14 3.3.3 PE 间链路的可靠性 .................................................................................................. 15 3.4 VPLS 内的环路避免 ........................................................................................................... 15...