Technology - IP Techniques 3 - OPSF, IS-IS & BGP Routing Protocols

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Last updated: 18 Dec 2007 Update History

Report Status: Archived

Report Pages: 12

Analyst: Robin Whittle


The two internal routing protocols OPSF and IS-IS and the Border Gateway Protocol which is used for routing packets between the tens of thousands of Autonomous Systems which comprise the Internet are discussed in this report. Also discussed are transit routers, multihoming, the Default Free Zone (the border and transit routers which make up the core of the Internet) and the rapid growth of the ‘BGP global routing table’.

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