Honestly, there are lots of other ways to solve this, and it would be nice
if the IETF's recent additions got implemented; there are many relevant
things going on there. Those interested should just talk to the draft
authors about implementing things. It's an open organisation just like
linux-kernel after all, just a bit more formal.
In a closed network, why not have SOCK_STREAM map to something faster than
TCP anyway? That is, if I connect(address matching localnet), SOCK_STREAM
maps to (eg) SCTP. That would be a far more dramatic performance hack!
Andrew
--On Friday, December 13, 2002 12:46:15 +0100 Bogdan Costescu
<bogdan.costescu@iwr.uni-heidelberg.de> wrote:
> On Thu, 12 Dec 2002, David S. Miller wrote:
>
>> This is well understood, the problem is that BSD's coarse timers are
>> going to cause all sorts of problems when a Linux stack with a reduced
>> MIN RTO talks to it.
>
> Sorry to jump into the discussion without a good understanding of inner
> workings of TCP, I just want to share my view as a possible user of this:
> one of the messages at the beginning of the thread said that this would
> be useful on a closed network and I think that this point was overlooked.
>
> Think of a closed network with only Linux machines on it (world
> domination, right :-)) like a Beowulf cluster, web frontends talking to
> NFS fileservers, web frontends talking to database backends, etc. Again
> as proposed earlier, border hosts (those connected to both the closed
> network and outside one) could change their communication parameters
> based on device or route and this would become an internal affair that
> would not affect communication with other stacks.
>
> I don't want to suggest to make this the default behaviour; rather, have
> it a parameter that can be changed by the sysadmin and have the current
> value as default.
>
> --
> Bogdan Costescu
>
> IWR - Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen
> Universitaet Heidelberg, INF 368, D-69120 Heidelberg, GERMANY
> Telephone: +49 6221 54 8869, Telefax: +49 6221 54 8868
> E-mail: Bogdan.Costescu@IWR.Uni-Heidelberg.De
>
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