At 8:33 PM +0000 10/31/02, Priscilla Oppenheimer wrote:
>R. Benjamin Kessler wrote:
>>
>>  You could be experiencing the "long, fat network" (LFN) problem.
>
>Could be a long, fat network problem, if this is indeed a long network (or
>long-delay network). To learn more about LFNs and the TCP window scale
>option for use on LFNs, see RFC 1323.

As well as workarounds, both initial and maximum window sizes.  For example:


         RFC 3390
                         
         Title:      Increasing TCP's Initial Window
         Author(s):  M. Allman, S. Floyd, C. Partridge
         Status:     Standards Track
         Date:       October 2002
         Mailbox:    [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED]
         Pages:      15
         Characters: 36177
         Obsoletes:  2414
         Updtes:     2581
                         
         I-D Tag:    draft-ietf-tsvwg-initwin-04.txt

         URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3390.txt


This document specifies an optional standard for TCP to increase the
permitted initial window from one or two segment(s) to roughly 4K
bytes, replacing RFC 2414.  It discusses the advantages and
disadvantages of the higher initial window, and includes discussion of
experiments and simulations showing that the higher initial window
does not lead to congestion collapse.  Finally, this document provides
guidance on implementation issues.




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