The NewReno Modification to TCP’s Fast Recovery Algorithm

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The NewReno Modification to TCP’s Fast Recovery Algorithm (2003)

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by S. Floyd , T. Henderson

Citations:

600 - 9 self

BibTeX

@INPROCEEDINGS{Floyd03thenewreno,
    author = {S. Floyd and T. Henderson},
    title = {The NewReno Modification to TCP’s Fast Recovery Algorithm },
    booktitle = {},
    year = {2003},
    publisher = {}
}

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Abstract

RFC 2581 [RFC2581] documents the following four intertwined TCP congestion control algorithms: Slow Start, Congestion Avoidance, Fast Retransmit, and Fast Recovery. RFC 2581 [RFC2581] explicitly allows certain modifications of these algorithms, including modifications that use the TCP Selective Acknowledgement (SACK) option [RFC2018], and modifications that respond to "partial acknowledgments" (ACKs which cover new data, but not all the data outstanding when loss was detected) in the absence of SACK. The NewReno mechanism described in this document describes a specific algorithm for responding to partial acknowledgments, referred to as NewReno. This response to partial acknowledgments was first proposed by Janey Hoe in [Hoe95]. RFC 2582 [RFC2582] specified the NewReno mechanisms as Experimental in 1999. This document is a small revision of RFC 2582 intended to advance the NewReno mechanisms to Proposed Standard. RFC 2581 notes that the Fast Retransmit/Fast Recovery algorithm specified in that document does not recover very efficiently from multiple losses in a single flight of packets, and that RFC 2582 contains one set of modifications to address this problem.

Keyphrases

fast recovery algorithm floyd internet draft icsi draft-ietf-tsvwg-newreno-00 internet engineering task force newreno mechanism partial acknowledgment henderson boeing june newreno modification new data fast retransmit fast recovery multiple loss fast recovery small revision intertwined tcp congestion control algorithm rfc2581 document slow start tcp selective acknowledgement option rfc2018 certain modification single flight janey hoe fast retransmit specific algorithm congestion avoidance

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