From owner-freebsd-net Mon Jul 2 22:15:38 2001 Delivered-To: freebsd-net@freebsd.org Received: from sneakerz.org (sneakerz.org [216.33.66.254]) by hub.freebsd.org (Postfix) with ESMTP id DE0A337B401 for ; Mon, 2 Jul 2001 22:15:34 -0700 (PDT) (envelope-from bright@sneakerz.org) Received: by sneakerz.org (Postfix, from userid 1092) id 80F645D010; Tue, 3 Jul 2001 00:15:34 -0500 (CDT) Date: Tue, 3 Jul 2001 00:15:34 -0500 From: Alfred Perlstein To: Bryan Fullerton Cc: net@freebsd.org Subject: Re: PPPoE latency Message-ID: <20010703001534.D84523@sneakerz.org> References: <20010702233606.A84523@sneakerz.org> <20010702235434.B84523@sneakerz.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i In-Reply-To: ; from bjf@samurai.com on Tue, Jul 03, 2001 at 01:11:49AM -0400 Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org * Bryan Fullerton [010703 00:12] wrote: > At 11:54 PM -0500 7/2/01, Alfred Perlstein wrote: > > > If you really think switching to a better ethernet card will help, I > > > have a 3C905B sitting here that I can try. > > > >It may. > > Ok, I'll try that tomorrow then. Perhaps the varying cruft levels in > ed(4) vs xl(4), or ISA vs PCI architecture, will help. :) A boatload. :) ISA is _really_ slow. :) > > > > Nope, ppp -nat, no natd. > > > >Same difference, ppp is implemented as a userland process, nearly the > >same amount of work must be done for either natd or ppp. > > Well, I certainly can't get around needing NAT. Would it really add > that much overhead in processing? I only have three active machines > on the private network, though I do have 10 port forwarding rules as > well. PPP runs as a userland process, with or without NAT it requires copying of data as well as system call overhead to process packets. Latency sucks, but as long as you're getting the just about the full bandwidth of your pipe, it shouldn't make much of a difference, unless you're a gamer that is, you're not a gamer are you? >;) -- -Alfred Perlstein [alfred@freebsd.org] Ok, who wrote this damn function called '??'? And why do my programs keep crashing in it? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message