铁通扩容工程中网络迁移的研究

本文介绍了铁通全国扩容工程中，铁通全国网络由OSPF协议迁移到IS-IS协议的过程。在扩容工程实施以前，铁通全国网络中运行的是OSPF协议。网络运行得基本稳定，鉴于网络扩客后用户敷量剧增。容量扩大的情况。本工程决定将网络由OSPF迁移到IS-IS协议上来，本文详细介绍了两种协议。并做出了比较。在论证了方案可行性后，本文给出了迁移的详细步骤。供读者参考。

The Research of Network Transfer in Tie-tong Expansion Project

This thesis describes the process of the railcom network from the OSPF protocol to the IS-IS protocol in the railcom all-wand-China expansion project. Before the expansion, the network ran the OSPF protocol, and the network are stable. According to the increase of consumer number after expansion and the enlargement of the capability, this project decides to transfer from the OSPF protocol to the IS-IS protocol. This thesis in full describes two protocol and compares them. After argument the feasibility of the scheme, this project give the detailed process of the transfer.