OT: Xen

Mon Apr 3 19:01:19 UTC 2006

> Xen's bigges strength really is in the colocation business.  With 
VX-enabled
> machines, it is capable of running instrumented OS's (Linux, 
Free/NetBSD) at
> almost native speeds, and non-instrumented OS's (Windows, Solaris) with 
a
> couple-% hit.  It's that flexibility that leads to colo as the market 
where
> Xen shines.

People seem to be thinking that Xen is only for sharing
a colo machine with somebody else. But it could just as
well be used for one organization to isolate each major
application to a single virtual server, i.e. email server,
general web server, wiki server, hot web app server,
Asterisk server, etc. This way, when one of the applications
justifies its own server, migration is somewhat simpler
because it is not entangled with other applications.

-- Michael Dillon