RFC 1322 A Unified Approach to Inter - Domain

A Unified Approach to Inter-Domain Routing Status of this Memo This memo provides information for the Internet community. It does not specify an Internet standard. Distribution of this memo is unlimited. Abstract This memo is an informational RFC which outlines one potential approach for inter-domain routing in future global internets. The focus is on scalability to very large networks and functionality, as well as scalability, to support routing in an environment of heterogeneous services, requirements, and route selection criteria. The global internet can be modeled as a collection of hosts interconnected via transmission and switching facilities. Control over the collection of hosts and the transmission and switching facilities that compose the networking resources of the global internet is not homogeneous, but is distributed among multiple administrative authorities. Resources under control of a single administration form a domain. In order to support each domain's autonomy and heterogeneity, routing consists of two distinct components: intra-domain (interior) routing, and inter-domain (exterior) routing. Intra-domain routing provides support for data communication between hosts where data traverses transmission and switching facilities within a single domain. Inter-domain routing provides support for data communication between hosts where data Estrin, Rekhter & Hotz [Page 1]