9780321168795 | Prentice Hall, November 4, 2005, cover price $64.99

9781852338220 | Springer-Verlag New York Inc, December 1, 2004, cover price $159.00

9780201657722 | Addison-Wesley, October 1, 2002, cover price $49.99 | About this edition: IS-IS or Intermediate System to Intermediate System protocol is a routing protocol which has long been used by telephone networks and has recently surged in popularity among Internet Service Providers and in other large networks.

9781578702206 | Cisco Systems, February 1, 2002, cover price $55.00 | About this edition: The definitive IS-IS reference and design guideExtensive coverage of both underlying concepts and practical applications of the IS-IS protocolDetailed explanation of how the IS-IS database works and relevant insights into the operation of the shortest path first (SPF) algorithmComprehensive tutorial on configuring and troubleshooting IS-IS on Cisco routersAdvanced information on IP network design and performance optimization strategies using IS-ISNetwork design case studies provide a practical perspective of various design strategiesComprehensive overview of routing and packet-switching mechanisms on modern routersA collection of IS-IS packet formats and analyzer decodes useful for mastering the nuts and bolts of the IS-IS protocol and troubleshooting complex problemsInterior gateway protocols such as Intermediate System-to-Intermediate System (IS-IS) are used in conjunction with the Border Gateway Protocol (BGP) to provide robust, resilient performance and intelligent routing capabilities required in large-scale and complex internetworking environments.