From owner-freebsd-hackers Sat Jun 20 09:52:13 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id JAA08989 for freebsd-hackers-outgoing; Sat, 20 Jun 1998 09:52:13 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from echonyc.com (echonyc.com [198.67.15.2]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id JAA08967 for ; Sat, 20 Jun 1998 09:52:06 -0700 (PDT) (envelope-from benedict@echonyc.com) Received: from localhost (benedict@localhost) by echonyc.com (8.8.7/8.8.7) with SMTP id MAA23797; Sat, 20 Jun 1998 12:51:43 -0400 (EDT) Date: Sat, 20 Jun 1998 12:51:43 -0400 (EDT) From: Snob Art Genre Reply-To: ben@rosengart.com To: "Bruce A. Mah" cc: Open Systems Networking , spork , Joel Ray Holveck , root@bmccane.maxbaud.net, hackers@FreeBSD.ORG Subject: Re: TweakDUN In-Reply-To: <199806200720.AAA24228@stennis.ca.sandia.gov> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sat, 20 Jun 1998, Bruce A. Mah wrote: > Where you *do* lose is the fact that for each of those packets, you > have 40 bytes of headers (20 IP + 20 TCP) that you can't lose for > data. So you can use 1460/1500 = 97% of the bytes in a packet for > "real data", or 536/576 = 93% of the bytes. (Again, discounting > link-level framing overheads.) Except that your link-layer protocol probably does header compression, which is AFAIK only done on serial point-to-point networks, where the headers are all largely similar. Ben "You have your mind on computers, it seems." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message