Re: [PATCH] Improve behaviour of Netlink Sockets

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>]

On Mon, Sep 27, 2004 at 08:46:30AM -0400, jamal wrote:
> > 
> > 1) Request/response:
> > 
> > No overruns should occur.
> 
> Cant assume this. A request for an ACK is fine. A get is a different
> ball game.

What I meant is that this is a case where the maximum size of the reply
can be known at compile time.  So assuming that your socket receive size
is set correctly, it should never overflow.

> > 3) Async messages:
> > 
> > Overruns may occur if the arrival rate exceeds the application's
> > processing capacity or if the queue is too small for a burst.
> > 
> > Now we were discussing about how we can do congestion control for 3).
> > But to do that we need to know exactly what these messages are.  For
> > example if they're coming from an external source as is the case in
> > ip_queue then you can't congestion control it at all.

You still haven't told me what you're going to use 3) for yet...

Cheers,
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