The TCP Maximum Segment Size and Related Topics
RFC 879, “The TCP Maximum Segment Size and Related Topics”, is a Historic document published in November 1983 by J. Postel. It has since been updated by RFC 6691. It has been obsoleted by RFC 7805, RFC 9293 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This RFC discusses the TCP Maximum Segment Size Option and related topics. The purposes is to clarify some aspects of TCP and its interaction with IP. This memo is a clarification to the TCP specification, and contains information that may be considered as "advice to implementers".
What “Historic” means
A specification that has been superseded or is otherwise no longer recommended for use.
The canonical text of RFC 879 is hosted at rfc-editor.org. Available in TXT,HTML.
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