RFC 9868 on Transport Options for UDP
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Subject: RFC 9868 on Transport Options for UDP
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A new Request for Comments is now available in online RFC libraries.
RFC 9868
Title: Transport Options for UDP
Author: J. Touch,
C. Heard, Ed.
Status: Standards Track
Stream: IETF
Date: October 2025
Mailbox: touch@strayalpha.com,
heard@pobox.com
Pages: 51
Updates: RFC 768
I-D Tag: draft-ietf-tsvwg-udp-options-45.txt
URL: https://www.rfc-editor.org/info/rfc9868
DOI: 10.17487/RFC9868
Transport protocols are extended through the use of transport header
options. This document updates RFC 768 (UDP) by indicating the
location, syntax, and semantics for UDP transport layer options
within the surplus area after the end of the UDP user data but before
the end of the IP datagram.
This document is a product of the Transport and Services Working Group Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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- RFC 9868 on Transport Options for UDP rfc-editor