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Re: [tcpm] Is this a problem?

MURALI BASHYAM <murali_bashyam@yahoo.com> Tue, 06 November 2007 00:04 UTC

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Date: Mon, 05 Nov 2007 16:04:36 -0800
From: MURALI BASHYAM <murali_bashyam@yahoo.com>
Subject: Re: [tcpm] Is this a problem?
To: MURALI BASHYAM <murali_bashyam@yahoo.com>, Joe Touch <touch@ISI.EDU>, Lloyd Wood <L.Wood@surrey.ac.uk>
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Re-posting my response. 

Joe, apologies for mangling your response.


The point is that it can be solved in TCP or at the transport layer
 ALSO. It's as good a place
if not better (from the co-ordination point of view and from the sender
 state visibility points of view). 
Let me ask the question: Can you elaborate the reasons why doing it in
 TCP is not a good idea? 
"A variety of solutions in a variety of places" is not a good position
 to be in, we want the right
solution in the one, correct place, with the least possible disruption
 to the server community.

Murali

----- Original Message ----
From: MURALI BASHYAM <murali_bashyam@yahoo.com>
To: Joe Touch <touch@ISI.EDU>; Lloyd Wood <L.Wood@surrey.ac.uk>
Cc: tcpm@ietf.org
Sent: Monday, November 5, 2007 3:14:29 PM
Subject: Re: [tcpm] Is this a problem?




----- Original Message ----
From: Joe Touch <touch@ISI.EDU>
To: Lloyd Wood <L.Wood@surrey.ac.uk>
Cc: tcpm@ietf.org
Sent: Monday, November 5, 2007 1:27:52 PM
Subject: Re: [tcpm] Is this a problem?




Lloyd Wood wrote:
...
>> Yes, this is a problem for which a variety of solutions exist, and
 for
>> which a coordinated solution would be useful. No, that itself is not
>> justification for assuming TCP is the place to do this.
> 
> try this thought on for size:
> 
> "The need for congestion control is a problem for which a variety of
> solutions exist, and for which a coordinated solution would be
 useful.

I should have said "for which a variety of solutions in a variety of
places - OS, application, API, protocol - exist..."

The primary point is that this isn't owned by communications layers.


Joe





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