The Addition of Explicit Congestion Notification to IP
RFC 3168, “The Addition of Explicit Congestion Notification to IP”, is a Proposed Standard document published in September 2001 by K. Ramakrishnan, S. Floyd, D. Black. It updates RFC 793, RFC 2003, RFC 2401, RFC 2474. It obsoletes RFC 2481. It has since been updated by RFC 4301, RFC 6040, RFC 8311, RFC 9768. The canonical text is published by the RFC Editor.
Abstract
This memo specifies the incorporation of ECN (Explicit Congestion Notification) to TCP and IP, including ECN's use of two bits in the IP header. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 3168 is hosted at rfc-editor.org. Available in TXT,HTML.
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