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Abstract:
This document describes an optional modification for TCP's slow-start for
use with TCP connections with large congestion windows. For TCP connections that are able to use congestion
windows of thousands (or tens of thousands) of MSS-sized segments (for MSS the sender's MAXIMUM SEGMENT SIZE),
the current slow-start procedure can result in increasing the congestion window by thousands of segments in a
single round-trip time. Such an increase can easily result in thousands of packets being dropped in one
round-trip time. This is often counter-productive for the TCP flow itself, and is also hard on the
rest of the traffic sharing the congested link. This note describes Limited Slow-Start
as an optional mechanism for limiting the number of segments by which the
congestion window is increased for one window of data during slow-start, in order to
improve performance for TCP connections with large congestion windows. This memo defines
an Experimental Protocol for the Internet community.
Authors:
Sally Floyd <floyd@icir.org>
(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid)
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