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Date:      Mon, 24 Jan 2000 14:15:21 +0100
From:      Brad Knowles <blk@skynet.be>
To:        Warner Losh <imp@village.org>, obrien@FreeBSD.ORG
Cc:        Chuck Robey <chuckr@picnic.mat.net>, current@FreeBSD.ORG
Subject:   Re: Please help spread the CVSup mirror load more evenly
Message-ID:  <v0422080db4b2007302f4@[195.238.1.121]>
In-Reply-To: <200001220500.WAA17674@harmony.village.org>
References:  <20000121180914.C44132@dragon.nuxi.com>  <20000121173923.A44132@dragon.nuxi.com> <Pine.BSF.4.21.0001212053300.59825-100000@picnic.mat.net> <200001220500.WAA17674@harmony.village.org>

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At 10:00 PM -0700 2000/1/21, Warner Losh wrote:

>  Hmmm.  A thought just occurred to me.  There's no need to measure
>  these things.  Lookup all the IP addresses.  Do a non blocking
>  connection to each of these machines.  First one to come back with the
>  REL16_1 response wins, and all the others get closed and you use that
>  one.

	Doesn't work.  There might be a very low latency but 
low-bandwidth connection between you and one of the servers, when you 
(and everyone else) would be better off if you instead connected to a 
server that shows slightly higher latency but has significantly more 
bandwidth (or less packet loss, or a less loaded server on the other 
end, etc...).

	IMO, there are just too many factors to be considered to apply 
any one simplistic solution.  You need more intelligence on both 
ends....

-- 
   These are my opinions and should not be taken as official Skynet policy
  _________________________________________________________________________
|o| Brad Knowles, <blk@skynet.be>                 Belgacom Skynet NV/SA |o|
|o| Systems Architect, Mail/News/FTP/Proxy Admin  Rue Col. Bourg, 124   |o|
|o| Phone/Fax: +32-2-706.13.11/726.93.11          B-1140 Brussels       |o|
|o| http://www.skynet.be                          Belgium               |o|
\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
     Unix is like a wigwam -- no Gates, no Windows, and an Apache inside.
      Unix is very user-friendly.  It's just picky who its friends are.


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