From: Matti Aarnio <matti.aarnio@zmailer.org>
To: Ronghua Zhang <rz5b@cs.virginia.edu>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: why NFS is UDP based
Date: Wed, 15 Jan 2003 23:18:30 +0200 [thread overview]
Message-ID: <20030115211830.GY27709@mea-ext.zmailer.org> (raw)
In-Reply-To: <Pine.GSO.4.51.0301151505110.17019@mamba.cs.Virginia.EDU>
On Wed, Jan 15, 2003 at 03:12:11PM -0500, Ronghua Zhang wrote:
> I wish I am posting the message to the right place. I am just curious
> what's the most important reason to choose UDP instead of TCP. And when
> some error happens, will NFS do retransmission ? thanks.
You need to familiarize yourself with the history of NFS.
Who, when, and in what kind of environment did invent NFS.
(Sun, late 1980es, machines with _very_ low power compared
to todays standards, and very slow networks!)
Doing NFS over TCP has been a lot more recent development.
Yes, when errors (like UDP datagram loss -> response timeout)
occur, NFS must do retrying / other error processing.
> Ronghua
/Matti Aarnio
next prev parent reply other threads:[~2003-01-15 21:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-15 20:12 why NFS is UDP based Ronghua Zhang
2003-01-15 21:18 ` Matti Aarnio [this message]
2003-01-17 19:18 ` Arnaldo Carvalho de Melo
2003-01-18 9:55 ` Jan Hudec
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