% Datatracker information for RFCs on the Legacy Stream is unfortunately often % incorrect. Please correct the bibtex below based on the information in the % actual RFC at https://rfc-editor.org/rfc/rfc1520.txt @misc{rfc1520, series = {Request for Comments}, number = 1520, howpublished = {RFC 1520}, publisher = {RFC Editor}, doi = {10.17487/RFC1520}, url = {https://www.rfc-editor.org/info/rfc1520}, author = {Yakov Rekhter and Claudio M. Topolcic}, title = {{Exchanging Routing Information Across Provider Boundaries in the CIDR Environment}}, pagetotal = 9, year = 1993, month = sep, abstract = {The purpose of this document is twofold. First, it describes various alternatives for exchanging inter-domain routing information across domain boundaries, where one of the peering domain is CIDR-capable and another is not. Second, it addresses the implications of running CIDR- capable inter-domain routing protocols (e.g., BGP-4, IDRP) on intra- domain routing. This memo provides information for the Internet community. It does not specify an Internet standard.}, }