Canonical URL:
https://www.rfc-editor.org/bcp/bcp37.txt

Cite this BCP: TXT

BCP 37 contains the following RFCs:
NumberFilesTitleAuthorsDateMore InfoStatus
RFC 2780, BCP 37ASCII, PDF IANA Allocation Guidelines For Values In the Internet Protocol and Related Headers S. Bradner, V. PaxsonMarch 2000Updated by RFC 4443, RFC 5237, RFC 5771, RFC 6335, RFC 7045Best Current Practice
RFC 5237, BCP 37ASCII, PDFIANA Allocation Guidelines for the Protocol FieldJ. Arkko, S. BradnerFebruary 2008Updates RFC 2780, ErrataBest Current Practice

Abstract of RFC 2780

This memo provides guidance for the IANA to use in assigning parameters for fields in the IPv4, IPv6, ICMP, UDP and TCP protocol headers. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.

Abstract of RFC 5237

This document revises the IANA guidelines for allocating new Protocol field values in IPv4 header. It modifies the rules specified in RFC 2780 by removing the Expert Review option. The change will also affect the allocation of Next Header field values in IPv6. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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