From owner-freebsd-current Thu Oct 15 00:37:47 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id AAA17905 for freebsd-current-outgoing; Thu, 15 Oct 1998 00:37:47 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from awfulhak.org (awfulhak.force9.co.uk [195.166.136.63]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id AAA17896 for ; Thu, 15 Oct 1998 00:37:41 -0700 (PDT) (envelope-from brian@Awfulhak.org) Received: from woof.lan.awfulhak.org (root@woof.lan.awfulhak.org [172.16.0.7]) by awfulhak.org (8.8.8/8.8.8) with ESMTP id IAA14099; Thu, 15 Oct 1998 08:13:44 +0100 (BST) (envelope-from brian@Awfulhak.org) Received: from woof.lan.awfulhak.org (brian@localhost [127.0.0.1]) by woof.lan.awfulhak.org (8.9.1/8.9.1) with ESMTP id IAA00515; Thu, 15 Oct 1998 08:12:19 +0100 (BST) (envelope-from brian@woof.lan.awfulhak.org) Message-Id: <199810150712.IAA00515@woof.lan.awfulhak.org> X-Mailer: exmh version 2.0.2 2/24/98 To: Bruce Evans cc: brian@Awfulhak.org, current@FreeBSD.ORG, kjc@csl.sony.co.jp Subject: Re: Improper sharing of modem bandwidth In-reply-to: Your message of "Wed, 14 Oct 1998 18:49:24 +1000." <199810140849.SAA12884@godzilla.zeta.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 15 Oct 1998 08:12:18 +0100 From: Brian Somers Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > >If there was an ioctl to change the usable tty buffer size to less than > >4k, ppp could set it to ``whatever the MTU is'' and get quite a > >reasonable interactive performance gain. > > Maybe not. Kernel ppp doesn't have the 4KB buffer between it and the > driver, but its interactive performance is not reasonable when just > one scp is using the link. But kernel ppp doesn't do any interactive queue jumping does it ? > Bruce -- Brian , , Don't _EVER_ lose your sense of humour.... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message