Routing domain
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In the original definition and obsolete definition of the Border Gateway Protocol, Version 1[1], it was assumed that "A consistent view of the interior routes of the autonomous system is provided by the intra-AS routing protocol." It has become common, however, for an autonomous system to contain several instances of sets of routers and subnets, under one or more interior routing protocol, and with different metric assumptions. These instances are known as routing domains [2]. This definition in RFC 1237, in turn, comes from the ISO Routeing [sic] Framework,[3] not available online.
A given autonomous system [4] can contain multiple routing domains, or a set of routing domains can be coordinated without being an Internet-participating autonomous system.
[edit] References
- ^ A Border Gateway Protocol (BGP), RFC 1105, J. K. Lougheed & Y. Rekhter,June1989
- ^ Guidelines for OSI NSAP Allocation in the Internet, RFC 1237, R. Collella et al.,July1991
- ^ International Organization for Standardization. OSI Routeing Framework. Technical Report 9575, ISO/IEC JTC 1, Switzerland, 1989.
- ^ Guidelines for creation, selection, and registration of an Autonomous System (AS), RFC 1930, J. Hawkison & T. Bates,March1996
