This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


Re: [Xen-devel] Re: Communicating with the domU from dom0 without Networ

To: Ligesh <xen@xxxxxxxxxx>, Michael LeMay <mdlemay@xxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Re: Communicating with the domU from dom0 without Network
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Tue, 08 Aug 2006 15:56:56 +0100
Cc: muli@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 08 Aug 2006 07:57:27 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <20060808144545.GA6025@xxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: Aca6+uQ2It+cyibuEduaRAAKle7CWA==
Thread-topic: [Xen-devel] Re: Communicating with the domU from dom0 without Network
User-agent: Microsoft-Entourage/

On 8/8/06 3:45 pm, "Ligesh" <xen@xxxxxxxxxx> wrote:

>  Actually I think serial port won't be sufficient actually. I am looking at it
> from purely manageability perspective, but even then, serial ports does not
> allow multiple simultaneious streams. I think in tcp/ip, the server gets a
> connection at a particular master port, say 80, and then it creates a slave
> socket at another port and spawns a child, and child actually carries out the
> communication through this slave port. I am not really an expert in
> networking, and that's my generic idea of how networking happens. Will such a
> system be possible with serial ports. I don't think so. I think I will I have
> to come up with some protocol to make multiple streams through serial port
> possible. Anyway, a generalized tcp-like communication stream independent of
> the networking stack looks like a good idea to me.

That's not how TCP/IP works and a statement like 'serial ports do not allow
multiple simultaneous streams' is not true since a serial port is part of a
physical link layer so you can implement whatever protocol you like over the
top (just as you can with e.g. an Ethernet port).

 -- Keir

Xen-devel mailing list

<Prev in Thread] Current Thread [Next in Thread>