From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: Date: Mon, 11 Jul 2005 14:21:11 -0500 From: Eric Van Hensbergen To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> Subject: Re: [9fans] Xen comms In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: Topicbox-Message-UUID: 63e704be-ead0-11e9-9d60-3106f5b1d025 On 7/10/05, Tim Newsham wrote: > > we have been trying and failing to get the xen guys interested in 9p as > > the backbone comms for inter-domain communication in Xen, both dom0->do= mU > > and domU->domU. >=20 > I think it would be a hard sell. You'd still want to have something > like a shared memory queue to exchange messages but on top of > that you'd have a rather large amount of 9p machinery. >=20 Remember that the shared memory is just one piece of the Xen comms - they've got all this other cruft for different device classes and bus provisioning. That is what we are talking about replacing with 9P - and while I'm not certain, I think its a pretty good bet that 9P will end up being more compact that the other cruft and better suited to transport over different networks when/where necessary. -eric