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From: Greg Banks <gnb-cP1dWloDopni96+mSzHFpQC/G2K4zDHf@public.gmane.org>
To: Neil Brown <neilb@suse.de>
Cc: linux-nfs@vger.kernel.org
Subject: Re: [grumble] connected UDP sockets [grumble] Solaris [grumble]
Date: Thu, 23 Oct 2008 15:47:06 +1100	[thread overview]
Message-ID: <490001CA.8010801@melbourne.sgi.com> (raw)
In-Reply-To: <18687.63003.966163.267177-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>

Neil Brown wrote:
>
> Much as it pains me to say this, maybe we just need to treat UDP as
> legacy for all protocols (PORTMAP, MOUNT, NLM, NSM), not just NFS.
> None of these problems occur with TCP.  TCP does have a slightly
> higher overhead for simple transactions, but it is a cost that is
> unlikely to be noticeable in reality.
>
>
> Thoughts?
>
>   
I see only two reasons to keep any UDP support at all in either client
or server.

a) legacy compatibility, for toy/broken/antique clients/servers/firewalls

b) on the server, supporting broadcast RPC to/through the portmapper

-- 
Greg Banks, P.Engineer, SGI Australian Software Group.
Be like the squirrel.
I don't speak for SGI.


  parent reply	other threads:[~2008-10-23  4:45 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-23  3:57 [grumble] connected UDP sockets [grumble] Solaris [grumble] Neil Brown
     [not found] ` <18687.63003.966163.267177-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>
2008-10-23  4:47   ` Greg Banks [this message]
2008-10-23 16:05   ` Chuck Lever

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