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ObsoletedPROPOSED STANDARDLegacy stream

RFC 2873: TCP Processing of the IPv4 Precedence Field

This RFC has been replaced. Do not implement against it for new work — it was formally obsoleted by RFC 9293.

Current document in this lineage: RFC 7805 — Moving Outdated TCP Extensions and TCP-Related Documents to Historic or Informational Status; RFC 9293 — Transmission Control Protocol (TCP)

In plain English — editorial summary, not part of the RFC

This memo describes a conflict between TCP and DiffServ on the use of the three leftmost bits in the TOS octet of an IPv4 header. [STANDARDS-TRACK]

Document record

Document ID
RFC2873
Published
June 2000
Authors
X. Xiao; A. Hannan; V. Paxson; E. Crabbe
Status
PROPOSED STANDARD
Stream
Legacy
Area
—
Pages
8
Also known as
—
Obsoleted by:
RFC 9293

Topics

Standards lineage

This document is one revision in a chain of 18 RFCs, each formally replacing the one before it.

  1. RFC 675 (1974)
  2. RFC 721 (1976)
  3. RFC 761 (1980)
  4. RFC 793 (1981)
  5. RFC 813 (1982)
  6. RFC 816 (1982)
  7. RFC 879 (1983)
  8. RFC 896 (1984)
  9. RFC 1078 (1988)
  10. RFC 1948 (1996)
  11. RFC 2873 (2000)
  12. RFC 6013 (2011)
  13. RFC 6093 (2011)
  14. RFC 6429 (2011)
  15. RFC 6528 (2012)
  16. RFC 6691 (2012)
  17. RFC 7805 (2016)
  18. RFC 9293 (2022) ✓

Read the full history of Transmission Control Protocol (TCP) →

Referenced by

One later RFC formally updates or obsoletes part of this document.

Related documents

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About this page

The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.

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canonical URL: /rfc/2873-tcp-processing-of-the-ipv4-precedence-field