From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@xensource.com>
Subject: Re: Re: Communicating with the domU from dom0 without
	Network
Date: Tue, 08 Aug 2006 19:59:48 +0100
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	<C0FE64C8.A3E%Keir.Fraser@cl.cam.ac.uk>
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To: Ligesh <xen@lxlabs.com>
Cc: muli@il.ibm.com, xen-devel@lists.xensource.com, Michael LeMay <mdlemay@epoch.ncsc.mil>
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On Tue, 2006-08-08 at 23:45 +0530, Ligesh wrote:
>  You have to build a network stack over serial port where every packet
>  has a header with the destination port.  You can simulate the entire 
> tcp/ip stack over the serial port, but this is again a non-trivial effort.

SLIP and PPP both do this perfectly well and have done for many years.

Ian.