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From: Marc E. Fiuczynski (mef_at_CS.Princeton.EDU)
Date: Wed 28 Jul 2004 - 22:36:04 BST

Pardon for the resend of this crosspost, but I sent it to
devel_at_lists.cs.princeton.edu rather than devel_at_planet-lab.org.

-----Original Message-----
From: Marc E. Fiuczynski [mailto:mef_at_cs.princeton.edu]
Sent: Wednesday, July 28, 2004 5:29 PM
To: Shailabh Nagar; Sam Vilain; ckrm-tech;
vserver_at_list.linux-vserver.org; devel_at_lists.cs.princeton.edu
Subject: RE: [ckrm-tech] CKRM with VServers

Pardon for the widespread crosspost. Hubertus has given me a patch and I did
the little bit required to have vserver 1.9.1 use RBCE. For those interested
in a kernel that combines CKRM w/ VSERVER, we can open up our CVS repository
for anonymous access. Please contact me if you'd like our snapshot rather
than patching these two things together manually yourself.


-----Original Message-----
From: ckrm-tech-admin_at_lists.sourceforge.net
[mailto:ckrm-tech-admin_at_lists.sourceforge.net]On Behalf Of Shailabh
Sent: Sunday, July 25, 2004 9:40 PM
To: Sam Vilain
Cc: ckrm-tech; vserver_at_list.linux-vserver.org
Subject: [ckrm-tech] CKRM with VServers

Sam Vilain wrote:
> Shailabh Nagar wrote:
>> - The SELinux folks are interested in creating classes based on the
>> security context of a task and then limiting the resources of the
>> task based on it.
> You could pretty much s/SELinux/Linux VServer/ that comment and it would
> still be valid :-).
> The classification engine for a Linux-VServer.net kernel would be a
> piece of cake, alright. Is there a dummy/skeleton resource classifier
> that I could use as a base?

RBCE, while not a skeleton classifier, should be good enough for your
case. Its integrated into the CKRM patch (available from the main web page).

Hubertus already has a patch for adding support within RBCE for defining
rules using Vserver's xids. We'll add it to our next RBCE update.

>> - Jamal Hadi is interested in investigating the use of CKRM along with
>> vservers to make virtual routers. His requirements, broadly speaking,
>> are : accurate accounting of irqs for routed packets, ability to
>> launch 500-1000 vservers and have them performance isolated from each
>> other. Vivek spoke to Jamal in detail and can list the requirements
>> better. On the whole, it looks like his needs are very similar to that
>> of PlanetLab (one privileged domain used to create others), fault
>> isolation would be nice but not essential etc.
> Oh, dear - how many different meanings of the word "vserver" are there?
> To compound matters, one project is pretty much the logical inverse of
> the other ;-).

I'm pretty sure he meant Linux-VServer (multiple contexts on one OS
image) - not clustering !

-- Shailabh

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