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RFC 6093

"On the Implementation of the TCP Urgent Mechanism", January 2011

Canonical URL:
http://www.rfc-editor.org/rfc/rfc6093.txt
This document is also available in this non-normative format: PDF.
Status:
PROPOSED STANDARD
Updates:
RFC 793, RFC 1011, RFC 1122
Authors:
F. Gont
A. Yourtchenko
Stream:
IETF
Source:
tcpm (tsv)

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Abstract

This document analyzes how current TCP implementations process TCP urgent indications and how the behavior of some widely deployed middleboxes affects how end systems process urgent indications. This document updates the relevant specifications such that they accommodate current practice in processing TCP urgent indications, raises awareness about the reliability of TCP urgent indications in the Internet, and recommends against the use of urgent indications (but provides advice to applications that do). [STANDARDS-TRACK]


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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