Date: Fri, 16 Oct 1998 01:21:03 +0800 From: Peter Wemm <peter@netplex.com.au> To: Brian Somers <brian@Awfulhak.org> Cc: Bruce Evans <bde@zeta.org.au>, current@FreeBSD.ORG, kjc@csl.sony.co.jp Subject: Re: Improper sharing of modem bandwidth Message-ID: <199810151721.BAA12300@spinner.netplex.com.au> In-Reply-To: Your message of "Thu, 15 Oct 1998 08:12:18 %2B0100." <199810150712.IAA00515@woof.lan.awfulhak.org>
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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
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