From owner-freebsd-current Thu Oct 15 10:51:17 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id KAA29150 for freebsd-current-outgoing; Thu, 15 Oct 1998 10:51:17 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from spinner.netplex.com.au (spinner.netplex.com.au [202.12.86.3]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id KAA29136 for ; Thu, 15 Oct 1998 10:51:09 -0700 (PDT) (envelope-from peter@netplex.com.au) Received: from spinner.netplex.com.au (localhost [127.0.0.1]) by spinner.netplex.com.au (8.9.1/8.9.1/Spinner) with ESMTP id BAA12300; Fri, 16 Oct 1998 01:21:04 +0800 (WST) (envelope-from peter@spinner.netplex.com.au) Message-Id: <199810151721.BAA12300@spinner.netplex.com.au> X-Mailer: exmh version 2.0.2 2/24/98 To: Brian Somers cc: Bruce Evans , current@FreeBSD.ORG, kjc@csl.sony.co.jp Subject: Re: Improper sharing of modem bandwidth In-reply-to: Your message of "Thu, 15 Oct 1998 08:12:18 +0100." <199810150712.IAA00515@woof.lan.awfulhak.org> Date: Fri, 16 Oct 1998 01:21:03 +0800 From: Peter Wemm Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Brian Somers wrote: > > >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 ? Yes it does, and has done so from near day one. However, it's IP_TOS based rather than the traditional magic port numbers. > > Bruce Cheers, -Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message