Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268950AbUIXRZQ (ORCPT ); Fri, 24 Sep 2004 13:25:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268944AbUIXRZP (ORCPT ); Fri, 24 Sep 2004 13:25:15 -0400 Received: from darkwing.uoregon.edu ([128.223.142.13]:54931 "EHLO darkwing.uoregon.edu") by vger.kernel.org with ESMTP id S268881AbUIXRYN (ORCPT ); Fri, 24 Sep 2004 13:24:13 -0400 Date: Fri, 24 Sep 2004 10:24:05 -0700 (PDT) From: Joel Jaeggli X-X-Sender: joelja@twin.uoregon.edu To: Esben Nielsen cc: "David S. Miller" , yoshfuji@linux-ipv6.org, linux-net@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: ArcNet and 2.6.8.1 In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2577 Lines: 66 On Thu, 23 Sep 2004, Esben Nielsen wrote: > ArcNet can't compete with ethernet as LAN: It can only run 10 Mbit whereas > 100 Mbit ethernet can run roughly 50 Mbit in practice. most 100Mb/s ethernet card/switch combo's will happily push 90+ Mb/s bi-directionally between two hosts. > But ArcNet doesn't degrade in performance when you try to fill it up as > ethernet does. Thus ArcNet is very good for real-time applications - and > is used for such in the industry. But that is not an area where people > usually use Linux. well maybe your "realtime" application doesn't run on linux. if you want non-degrading ethernet performance buy a switch, if you want bandwidth reservation, buy an l3 switch. There just isn't anyone using arcnet or arcnet+ anymore, the writing was on the wall for thomas conrad more than a decade ago, and my datapoint mainframe days are far behind me, and I don't miss them. > But don't worry, the windoze drivers aren't good either. The official > driver for the PCMCIA card crashed Windows XP - with no chance of fixing > them as I have with the Linux one :-) > > Esben > > > > > On Thu, 23 Sep 2004, David S. Miller wrote: > >> On Thu, 23 Sep 2004 22:59:58 +0200 (METDST) >> Esben Nielsen wrote: >> >>> After I got the arcnet device running labtop computer froze up. I have >>> turned off preemtion and SMP. It seems to make it more stable but I can't >>> be conclusive. >> >> Based upon the fact that most Arcnet drivers set hw.open() to NULL, >> and you're the first person to report this, I doubt arcnet is >> getting any serious use or testing at all these days. Sorry :-/ >> - >> To unsubscribe from this list: send the line "unsubscribe linux-net" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- -------------------------------------------------------------------------- Joel Jaeggli Unix Consulting joelja@darkwing.uoregon.edu GPG Key Fingerprint: 5C6E 0104 BAF0 40B0 5BD3 C38B F000 35AB B67F 56B2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/