[8425] in Info-AFS_Redistribution
Re: afs/dfs/coda
daemon@ATHENA.MIT.EDU (Scott Unkefer)
Tue Jan 23 15:32:13 2001
Message-Id: <3A6DE083.B077C1@webfs.com>
Date: Tue, 23 Jan 2001 11:50:27 -0800
From: scott@webfs.com (Scott Unkefer)
Mime-Version: 1.0
To: Thomas Vincent - 409-974-3678 <thomasv@apple.com>
Cc: iddwb <David.Bear@asu.edu>, info-afs@transarc.com
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Hello. I just wanted to clarify something regarding WebFS which was mentioned
below.
We don't run over HTTP. we've built a protocol based on FTP with ssl and other
extenstions like mounting instead of disconnecting at EOF etc.
Thanks.
/scott
Thomas Vincent - 409-974-3678 wrote:
> Hi David,
> I checked out Coda, and talked to one of the engineers at Caldera where
> they did a more thorough evalution of Coda then I did. Coda is not ready
> for prime-time.
> Anything you run over high latency/low bandwidth connections will run
> poorly.
> All my research shows DFS to be a very poor solution. Most sites have
> given up on implimenting it. UPenn is one of the few that I have heard is
> successfull. There is some new file systems like Web FS (runs as an
> extension of http) that seem immature at best. Plus of you have a high
> latency, and low bandwidth connection your probably have a high rate of
> packet loss. A TCP based protocol (NFS, http based file systems) would
> probably slow you down even more.
>
> I think you are stuck, unless you upgrade your connection.
>
> What kind of connection are coming over?
>
> Thomas Vincent
> Apple Information Systems & Technology
> My opinions are my own, not my employers.
>
> On Tue, 23 Jan 2001, iddwb wrote:
>
> >
> > Afs is a fine idea -- but it really stinks over low bandwidth high latency
> > networks. ARe there any good comparisons between afs/dfs and coda? Is
> > coda ready for prime time? Are there any coda to afs translator?
> >
> > David Bear
> > College of Public Programs/ASU
> >
> >
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