From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: [PATCH v2 00/31] Implement user mode network for kvm tools Date: Thu, 30 Jun 2011 10:32:15 -0500 Message-ID: <4E0C96FF.4090801@codemonkey.ws> References: <1309423279-3093-1-git-send-email-asias.hejun@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Asias He , Pekka Enberg , Cyrill Gorcunov , Ingo Molnar , Sasha Levin , Prasad Joshi , kvm@vger.kernel.org To: Stefan Hajnoczi Return-path: Received: from mail-yw0-f46.google.com ([209.85.213.46]:35084 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751023Ab1F3PcT (ORCPT ); Thu, 30 Jun 2011 11:32:19 -0400 Received: by ywe9 with SMTP id 9so918509ywe.19 for ; Thu, 30 Jun 2011 08:32:18 -0700 (PDT) In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On 06/30/2011 03:56 AM, Stefan Hajnoczi wrote: > On Thu, Jun 30, 2011 at 9:40 AM, Asias He wrote: >> uip stands for user mode {TCP,UDP}/IP. Currently, uip supports ARP, ICMP, >> IPV4, UDP, TCP. So any network protocols above UDP/TCP should work as well, >> e.g., HTTP, FTP, SSH, DNS. > > There is an existing uIP which might cause confusion, not sure if > you've seen it. First I thought you were using that :). > > http://en.wikipedia.org/wiki/UIP_(micro_IP) Is the primary motivation here to allow unprivileged guests with networking without providing unprivileged access to raw networking or just to make networking Just Work? We've explored various things in the past like using a fscap based helper to open tap devices which can help with the Just Works parts. Usermode TCP/IP can be quite cumbersome for users as things like ping and ip6 won't work properly. Regards, Anthony Liguori > > Stefan > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html