Re: [nfsv4] callbacks via TCP

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From: Spencer Shepler (spencer.shepler@sun.com)
Date: 07/17/03-02:44:59 PM Z


From: Spencer Shepler <spencer.shepler@sun.com>
Subject: Re: [nfsv4] callbacks via TCP
Message-ID: <20030717194459.GC100912@dhcp-uaus08-128-207.central.sun.com>
Date: Thu, 17 Jul 2003 14:44:59 -0500

On Thu, rick@snowhite.cis.uoguelph.ca wrote:
> This is going to sound like a dumb one, but I can't find it spelled out
> in the RFC, so here goes...
> 
> For a callback via TCP, is the server expected to
> #1 -  do a "connect" to the client at the specified address
> OR
> #2 - is it expected to find that one of the connections that already
> 	exists from client->server has the specified address as the other end
> 
> (Since I had done callbacks "in-band" on the
> same TCP virtual circuit way back when I did NQNFS, I was thinking #2,
> but I now realize the RFC probably means #1.)
> 
> So, is it door #1 or door #2?

The RFC selects Door #1.

We would like to get to Door #2 in a future minor revision (or
something like it).

-- 
Spencer


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