From owner-freebsd-net@FreeBSD.ORG Sat Mar 15 18:59:24 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5E3AB1065671 for ; Sat, 15 Mar 2008 18:59:24 +0000 (UTC) (envelope-from bmw@wezel.com) Received: from tomts30-srv.bellnexxia.net (tomts30.bellnexxia.net [209.226.175.104]) by mx1.freebsd.org (Postfix) with ESMTP id 00BC68FC15 for ; Sat, 15 Mar 2008 18:59:23 +0000 (UTC) (envelope-from bmw@wezel.com) Received: from toip6.srvr.bell.ca ([209.226.175.125]) by tomts20-srv.bellnexxia.net (InterMail vM.5.01.06.13 201-253-122-130-113-20050324) with ESMTP id <20080315182446.RCOP1666.tomts20-srv.bellnexxia.net@toip6.srvr.bell.ca> for ; Sat, 15 Mar 2008 14:24:46 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtAEALmx20dBX3V3/2dsb2JhbACBWqY1 Received: from bas2-toronto63-1096775031.dsl.bell.ca (HELO mg-i1200.home.wezel.com) ([65.95.117.119]) by toip6.srvr.bell.ca with ESMTP; 15 Mar 2008 14:21:48 -0400 Message-ID: <47DC146C.8000005@wezel.com> Date: Sat, 15 Mar 2008 14:24:44 -0400 From: Bruce Walker User-Agent: Thunderbird 2.0.0.12 (Macintosh/20080213) MIME-Version: 1.0 To: Sin References: <200803141803.12974.kailockwood@gmail.com> <004701c886c0$6c866910$0200a8c0@dts> In-Reply-To: <004701c886c0$6c866910$0200a8c0@dts> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org Subject: Re: SLIP slipping away X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 15 Mar 2008 18:59:24 -0000 Sin wrote: > > I wasn't going to ask before, but I guess curiosity got the best of > me. I've been working for an ISP for the past 8 years, so PPP and SLIP > talk comes up alot. I don't usually post, just read, however I am > curious about what kind of application could possibly be using slip as > opposed to ppp now-a-days ?? One legitimate use-case is talking to single-chip embedded CPUs, eg an Atmel AVR or Mega, or a PIC controller. Very limited code space means that the networking implementation may be limited to just UDP/IP, and PPP is way too big, but SLIP is trivially doable. -bmw