From: Gerrit Renker <gerrit@erg.abdn.ac.uk>
To: Ian McDonald <ian.mcdonald@jandi.co.nz>
Cc: Leandro Sales <leandroal@gmail.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
DCCP Mailing List <dccp@vger.kernel.org>,
netdev@vger.kernel.org, DCCP mailing list <dccp@ietf.org>
Subject: Re: [RFC] dccp ccid-3: High-res or low-res timers?
Date: Thu, 20 Nov 2008 07:24:08 +0100 [thread overview]
Message-ID: <20081120062408.GD6227@gerrit.erg.abdn.ac.uk> (raw)
In-Reply-To: <5640c7e00811180941l671fd3a0w390529df9222163e@mail.gmail.com>
Thanks Ian for the comments and suggestions, which is input for further
work. Hope to start this poco a poco soon.
| > Do you think we could live with clamping the RTT to some sensible
| > minimum, since on a local LAN the use of congestion control is
| > questionable? I was thinking in the order of 0.5 ... 1msec.
| >
| I think that is a good idea - if 1 msec, and HZ = 1000 then we
| wouldn't lose any transmission capability.
|
Probably it will require a bit of testing, it might be that some
fine-tuning is needed since a lower RTT also means a lower maximum
throughput -- but maybe that limit is fully sufficient for the target
operational range of CCID-3 (streaming, not bulk data transfer).
Gerrit
prev parent reply other threads:[~2008-11-20 6:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <5bc4c4570810171021ua6371ebs1ffdf471382a8b13@mail.gmail.com>
[not found] ` <20081105052733.GG6564@gerrit.erg.abdn.ac.uk>
[not found] ` <5bc4c4570811060538h2d662507u5de1fb62c61cd569@mail.gmail.com>
[not found] ` <20081106152048.GA3621@gerrit.erg.abdn.ac.uk>
[not found] ` <20081106153824.GA9709@ghostprotocols.net>
[not found] ` <5bc4c4570811060946j4d5d8d1mf88f8b92c72b59c7@mail.gmail.com>
[not found] ` <5bc4c4570811061004nfc2afdcn6035d49ae654aef1@mail.gmail.com>
[not found] ` <5bc4c4570811061017j3acef860vee84992e7295d06d@mail.gmail.com>
[not found] ` <5bc4c4570811061405qe72e43cx861c537885804132@mail.gmail.com>
[not found] ` <20081108085035.GA7112@gerrit.erg.abdn.ac.uk>
2008-11-15 10:50 ` [RFC] dccp ccid-3: High-res or low-res timers? Gerrit Renker
2008-11-16 8:14 ` Ian McDonald
2008-11-17 6:48 ` David Miller
2008-11-18 5:07 ` Gerrit Renker
2008-11-17 19:27 ` Eddie Kohler
[not found] ` <5640c7e00811160014p17414c54v2499c5b1e996278f@mail.gmail.com>
2008-11-17 21:16 ` [RFC] dccp ccid-3: High-res or low-res timers? <cross post> Gorry Fairhurst
2008-11-18 6:14 ` [RFC] dccp ccid-3: High-res or low-res timers? Gerrit Renker
2008-11-18 17:41 ` Ian McDonald
2008-11-20 6:24 ` Gerrit Renker [this message]
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