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Re: Raise initial congestion window size / speedup slow start?

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From: Rick Jones
Subject: Re: Raise initial congestion window size / speedup slow start?
Date: Monday, July 19, 2010 - 10:08 am

H.K. Jerry Chu wrote:

I'll ask my Emily Litella question of the day and inquire as to why that would 
be unique to altering initcwnd via the route?

The slightly less Emily Litella-esque question is why an appliction with a 
desire to know it could send more than 16K at one time wouldn't have either 
asked via its install docs to have the minimum tweaked (certainly if one is 
already tweaking routes...), or "gone all the way" and made an explicit 
setsockopt(SO_SNDBUF) call?  We are in a realm of applications for which there 
was a proposal to allow them to pick their own initcwnd right?  Having them pick 
an SO_SNDBUF size would seem to be no more to ask.

rick jones

sendbuf_init = max(tcp_mem,initcwnd)?
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Messages in current thread:
Raise initial congestion window size / speedup slow start?, Ed W, (Wed Jul 14, 3:43 am)
Re: Raise initial congestion window size / speedup slow start?, Alan Cox, (Wed Jul 14, 4:58 am)
Re: Raise initial congestion window size / speedup slow start?, Bill Davidsen, (Wed Jul 14, 8:21 am)
Re: Raise initial congestion window size / speedup slow start?, David Miller, (Wed Jul 14, 11:15 am)
Re: Raise initial congestion window size / speedup slow start?, Ed W, (Wed Jul 14, 11:32 am)
Re: Raise initial congestion window size / speedup slow start?, Ed W, (Wed Jul 14, 11:48 am)
Re: Raise initial congestion window size / speedup slow start?, Stephen Hemminger, (Wed Jul 14, 12:10 pm)
Re: Raise initial congestion window size / speedup slow start?, Rick Jones, (Wed Jul 14, 1:17 pm)
Re: Raise initial congestion window size / speedup slow start?, Mitchell Erblich, (Wed Jul 14, 2:47 pm)
Re: Raise initial congestion window size / speedup slow start?, David Miller, (Wed Jul 14, 2:55 pm)
Re: Raise initial congestion window size / speedup slow start?, Ed W, (Wed Jul 14, 3:05 pm)
Re: Raise initial congestion window size / speedup slow start?, Hagen Paul Pfeifer, (Wed Jul 14, 3:13 pm)
Re: Raise initial congestion window size / speedup slow start?, Rick Jones, (Wed Jul 14, 3:19 pm)
Re: Raise initial congestion window size / speedup slow start?, Hagen Paul Pfeifer, (Wed Jul 14, 3:36 pm)
Re: Raise initial congestion window size / speedup slow start?, Hagen Paul Pfeifer, (Wed Jul 14, 3:40 pm)
Re: Raise initial congestion window size / speedup slow start?, Ed W, (Wed Jul 14, 3:52 pm)
Re: Raise initial congestion window size / speedup slow start?, Hagen Paul Pfeifer, (Wed Jul 14, 4:01 pm)
Re: Raise initial congestion window size / speedup slow start?, Ed W, (Wed Jul 14, 4:01 pm)
Re: Raise initial congestion window size / speedup slow start?, Ed W, (Wed Jul 14, 4:05 pm)
Re: Raise initial congestion window size / speedup slow start?, Bill Fink, (Wed Jul 14, 7:52 pm)
Re: Raise initial congestion window size / speedup slow start?, Bill Fink, (Wed Jul 14, 8:49 pm)
Re: Raise initial congestion window size / speedup slow start?, Tom Herbert, (Wed Jul 14, 9:12 pm)
Re: Raise initial congestion window size / speedup slow start?, H.K. Jerry Chu, (Wed Jul 14, 9:51 pm)
Re: Raise initial congestion window size / speedup slow start?, H.K. Jerry Chu, (Wed Jul 14, 10:09 pm)
Re: Raise initial congestion window size / speedup slow start?, H.K. Jerry Chu, (Wed Jul 14, 10:29 pm)
Re: Raise initial congestion window size / speedup slow start?, Ed W, (Thu Jul 15, 12:48 am)
Re: Raise initial congestion window size / speedup slow start?, Alan Cox, (Thu Jul 15, 3:33 am)
Re: Raise initial congestion window size / speedup slow start?, Bill Davidsen, (Thu Jul 15, 8:10 am)
Re: Raise initial congestion window size / speedup slow start?, Jerry Chu, (Thu Jul 15, 10:36 am)
Re: Raise initial congestion window size / speedup slow start?, Rick Jones, (Thu Jul 15, 12:51 pm)
Re: Raise initial congestion window size / speedup slow start?, Stephen Hemminger, (Thu Jul 15, 1:48 pm)
Re: Raise initial congestion window size / speedup slow start?, Bill Davidsen, (Thu Jul 15, 4:14 pm)
Re: Raise initial congestion window size / speedup slow start?, H.K. Jerry Chu, (Thu Jul 15, 5:23 pm)
Re: Raise initial congestion window size / speedup slow start?, Henrique de Moraes H ..., (Thu Jul 15, 7:58 pm)
Re: Raise initial congestion window size / speedup slow s ..., Hagen Paul Pfeifer, (Fri Jul 16, 2:03 am)
Re: Raise initial congestion window size / speedup slow start?, Patrick McManus, (Fri Jul 16, 10:01 am)
Re: Raise initial congestion window size / speedup slow start?, Ed W, (Fri Jul 16, 10:41 am)
Re: Raise initial congestion window size / speedup slow start?, H.K. Jerry Chu, (Fri Jul 16, 5:36 pm)
Re: Raise initial congestion window size / speedup slow start?, H.K. Jerry Chu, (Fri Jul 16, 6:23 pm)
Re: Raise initial congestion window size / speedup slow start?, Rick Jones, (Mon Jul 19, 10:08 am)
Re: Raise initial congestion window size / speedup slow start?, H.K. Jerry Chu, (Mon Jul 19, 3:51 pm)
Re: Raise initial congestion window size / speedup slow start?, Hagen Paul Pfeifer, (Mon Jul 19, 4:42 pm)