本书主要剖析了电信网新技术IPRAN与PTN的不同以及在各运营商中的应用现状；讲解了IP路由基础知识、IPRAN动态路由协议（OSPF、IS-IS、BGP协议）基础知识、MPLS和VPN基础知识、IPRAN保护技术、同步技术、安全技术、网管系统、业务配置、设备以及发展趋势等方面的相关知识，涉及华为、中兴、烽火等设备厂商。
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