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Re: [Xen-users] Depicting Xen - Input requested

  • To: xen-users@xxxxxxxxxxxxx
  • From: Niels Dettenbach <nd@xxxxxxxxxxxx>
  • Date: Mon, 24 Jul 2017 14:13:50 +0200
  • Delivery-date: Mon, 24 Jul 2017 12:15:22 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

Am Montag, 24. Juli 2017, 13:22:54 CEST schrieb Frederico Cerveira:
> It would be great if you guys here at xen-users could share their
> opinion about the figure.
Your diagram still shows some of the "major principle" of a Xen environment.

Personally i did not find any really wrong details, but the HVM and PV 
"difference" seems "underrepresented" a bit. While PV DomUs run "directly" on 
Hardware and just a part of the interaction with the hardware is going over 
dom0 or even "Xen" (xen is more a "switcher" between DomU, the HVM DomU runs 
on a "fully" virtualized hardware level between hardware and DomU OS - with a 
few "privileged" drivers. There is a huge difference in between both concepts 
and Xen PV is one of the major "features" of Xen.

hth a bit,


 Niels Dettenbach
 Syndicat IT & Internet
 PGP: https://syndicat.com/pub_key.asc

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