Appendix A. RFC 1771: Border Gateway Protocol 4

The objective of this appendix is to present the concepts and terminology contained in RFC 1771 in order to help you understand the operation of BGP. Many of the details have been omitted, such as packet format and contents. These topics are of interest to developers of the code that runs on a BGP-capable router. Border Gateway Protocol (BGP) is an interauto-nomous system routing protocol. An autonomous system (AS) is a network or group of networks that are under a common administration and that have common routing policies. BGP is used to exchange routing information for the Internet and is the protocol used between Internet service providers (ISPs). Customer networks, such as universities and ...

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