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Date:      Sat, 6 Mar 1999 19:28:19 +0000 (GMT)
From:      Terry Lambert <tlambert@primenet.com>
To:        hasty@rah.star-gate.com (Amancio Hasty)
Cc:        dillon@apollo.backplane.com, hasty@rah.star-gate.com, tlambert@primenet.com, dyson@iquest.net, dick@tar.com, jplevyak@inktomi.com, hackers@FreeBSD.ORG
Subject:   Re: lockf and kernel threads
Message-ID:  <199903061928.MAA09945@usr06.primenet.com>
In-Reply-To: <199903052022.MAA82649@rah.star-gate.com> from "Amancio Hasty" at Mar 5, 99 12:22:14 pm

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> >    Not unless you want to rewrite the kernel.  But it's actually more the 
> 
> We shall see if the above statement is true or not . In the mean time,
> with the intent to anchor the discussion in a positive direction , I ask
> Terry to produce a draft paper on how to implement ASTs on FreeBSD.

I will work on an async call gate paper.  I have published much of what
I have to say, short of an implementation, in this thread, already.

I will *not* work on AST's.  I believe they are a dead end, since
they fail in the face of proxy distribution by requiring complete
knowledge on both ends.  This prevents an intermediary from forwarding
a request that it can't personally satisfy.

Consider the difference between "call by descriptor" and "call by
argument" that distinguished John Heidemann's network VFS proxy
layer from NFS.  Call by argument is evil.


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.


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