netdev - Re: RPS and forwarding

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Message-ID: <z2w65634d661004252144z1bf72880wdf7a0143b8490ddf@mail.gmail.com>
Date:	Sun, 25 Apr 2010 21:44:05 -0700
From:	Tom Herbert <therbert@...gle.com>
To:	Herbert Xu <herbert@...dor.hengli.com.au>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: RPS and forwarding

> Apart from not using RPS on routers, I suppose people doing
> forwarding will simply have to maintain a constant RPS table,
> and forgo its local redirection capabilities.
>

I think you'd want RPS on router (steering packets using hash and CPU
mask).  Most of your concerns are about RFS (steering by flows), which
is probably more appropriate for a server.

Tom

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