RFC 3782 (rfc3782) - Page 1 of 19
The NewReno Modification to TCP's Fast Recovery Algorithm
Alternative Format: Original Text Document
Network Working Group S. Floyd
Request for Comments: 3782 ICSI
Obsoletes: 2582 T. Henderson
Category: Standards Track Boeing
A. Gurtov
TeliaSonera
April 2004
The NewReno Modification to TCP's Fast Recovery Algorithm
Status of this Memo
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 "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2004). All Rights Reserved.
Abstract
The purpose of this document is to advance NewReno TCP's Fast
Retransmit and Fast Recovery algorithms in RFC 2582 from Experimental
to Standards Track status.
The main change in this document relative to RFC 2582 is to specify
the Careful variant of NewReno's Fast Retransmit and Fast Recovery
algorithms. The base algorithm described in RFC 2582 did not attempt
to avoid unnecessary multiple Fast Retransmits that can occur after a
timeout. However, RFC 2582 also defined "Careful" and "Less Careful"
variants that avoid these unnecessary Fast Retransmits, and
recommended the Careful variant. This document specifies the
previously-named "Careful" variant as the basic version of NewReno
TCP.
Floyd, et al. Standards Track