From: Philippe Anel <xigh@free.fr>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] About 9P ...
Date: Sat, 23 Jun 2007 08:24:19 +0200 [thread overview]
Message-ID: <467CBC93.3070204@free.fr> (raw)
In-Reply-To: <20070623043028.A0A7C1E8C51@holo.morphisms.net>
Thank you Russ.
Russ Cox a écrit :
>> So unless Russ is right and that the
>> fact FIDS are choosen by the client has
>> been decided arbitrarily ... I still have
>> no answer to my question.
>>
>
> In the current version of 9P, there is no reason
> why the client has to choose the fids (file ids).
> You don't have to believe me, but it's true.
>
> The client must choose the tags (request ids)
> since it sends the first request message without
> any input from the server. The tags are what
> enable having multiple messages outstanding.
>
> There is an historical reason why fids are
> chosen by the client, but like most historical
> reasons, it no longer applies. In very early
> versions of 9P (before the first edition release),
> there were no tags. Replies were matched
> based on fid and type, so fids had to be chosen
> by the client, just as tags do now.
>
> Tags were introduced on November 21, 1990:
> http://swtch.com/go/fid2tag
>
> Russ
>
>
>
>
next prev parent reply other threads:[~2007-06-23 6:24 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-19 20:11 Philippe Anel
2007-06-20 0:37 ` Russ Cox
2007-06-20 2:06 ` Roman Shaposhnick
2007-06-20 11:29 ` Anthony Sorace
2007-06-22 0:32 ` Derek Fawcus
2007-06-22 6:58 ` Philippe Anel
2007-06-22 15:57 ` Derek Fawcus
2007-06-22 20:32 ` Philippe Anel
2007-06-22 21:10 ` David Leimbach
2007-06-22 21:35 ` Philippe Anel
2007-06-22 21:46 ` David Leimbach
2007-06-22 21:55 ` Philippe Anel
2007-06-22 22:25 ` Philippe Anel
2007-06-22 22:57 ` David Leimbach
2007-06-22 23:01 ` Anant Narayanan
2007-06-23 4:30 ` Russ Cox
2007-06-23 5:10 ` Skip Tavakkolian
2007-06-23 9:25 ` Francisco J Ballesteros
2007-06-23 15:50 ` Martin Atkins
2007-06-23 6:24 ` Philippe Anel [this message]
2007-06-23 15:00 ` Rob Pike
2007-06-24 0:52 ` [9fans] 9P optimization Lyndon Nerenberg
2007-06-24 3:04 ` Francisco J Ballesteros
2007-06-24 3:15 ` Lyndon Nerenberg
2007-06-24 4:08 ` ron minnich
2007-06-24 9:34 ` Steve Simon
2007-06-24 10:06 ` Lyndon Nerenberg
2007-06-24 11:38 ` Steve Simon
2007-06-24 13:34 ` Lyndon Nerenberg
2007-06-25 0:34 ` ron minnich
2007-06-25 17:53 ` Lyndon Nerenberg
2007-06-25 1:02 ` Dave Eckhardt
2007-06-24 12:14 ` erik quanstrom
2007-06-24 13:36 ` Lyndon Nerenberg
2007-06-24 21:47 ` erik quanstrom
2007-06-25 17:48 ` Lyndon Nerenberg
2007-06-25 18:46 ` erik quanstrom
2007-06-24 4:16 ` Bruce Ellis
2007-06-24 18:05 ` Skip Tavakkolian
2007-06-22 23:20 ` [9fans] About 9P Skip Tavakkolian
2007-06-22 23:48 ` Francisco J Ballesteros
2007-06-23 0:27 ` Roman Shaposhnick
2007-06-23 0:27 ` Francisco J Ballesteros
2007-06-23 12:08 ` erik quanstrom
2007-06-23 12:27 ` Francisco J Ballesteros
2007-06-23 12:57 ` Lucio De Re
2007-06-23 13:01 ` Uriel
2007-06-23 13:36 ` Francisco J Ballesteros
2007-06-23 14:27 ` Lucio De Re
2007-06-23 14:45 ` Francisco J Ballesteros
2007-06-22 21:16 ` Skip Tavakkolian
2007-06-22 21:37 ` Philippe Anel
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