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BCP 124

RFC 4774

"Specifying Alternate Semantics for the Explicit Congestion Notification (ECN) Field", November 2006

Canonical URL:
http://www.rfc-editor.org/rfc/rfc4774.txt
This document is also available in this non-normative format: PDF.
Status:
BEST CURRENT PRACTICE
Updated by:
RFC 6040
Author:
S. Floyd
Stream:
IETF
Source:
tsvwg (tsv)

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Abstract

There have been a number of proposals for alternate semantics for the Explicit Congestion Notification (ECN) field in the IP header RFC 3168. This document discusses some of the issues in defining alternate semantics for the ECN field, and specifies requirements for a safe coexistence in an Internet that could include routers that do not understand the defined alternate semantics. This document evolved as a result of discussions with the authors of one recent proposal for such alternate semantics. 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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