From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hajime Inoue Subject: Re: Communicating between Dom0 and DomU without a network Date: Tue, 16 Oct 2007 19:19:09 -0400 Message-ID: <471546ED.4020908@ccsl.carleton.ca> References: <470F8B4E.5010705@ccsl.carleton.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: James Harper Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org We have an application monitoring network activity on the guest, and we want to send summaries about that activity to Dom0 without adding to that activity. We could filter the traffic so that we exclude monitor generated activity, but we'd rather look at everything. We don't need much of a protocol. All the data is going in one direction. Thanks, -Hajime Inoue James Harper wrote: >> I'm looking for a way to communicate, without a network, >> between Dom0 and DomU, at speeds approaching typical >> bandwidth. > > Can you detail some of the requirements? Whatever you use will require a > protocol of some sort, and the network stack already implements almost > anything you would want. Possibly the next best thing would be to run > another protocol (eg not tcp/ip) over the virtual ethernet. > > If you can state why using a network is out of the question, you'll > avoid a whole load of people asking you :) >