Performance Isolation in Xen

Performance Isolation in Xen

[rahul gundecha]

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In the latest release of Xen, how the Performance Isolation across Virtual Machine is being handled. I read one of the papers regarding this issue by HP lab -
D. Gupta, L. Cherkasova, R. Gardner, A. Vahdat:  Enforcing Performance Isolation Across Virtual Machines in Xen. 
So I am little bit curious about the current release by XenSource.

Also where can I get detailed information about the architecture used in this release.         

thanks,
-Rahul



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Performance isolation in Xen

[John L Griffin]

A few weeks ago I posted about my interest in developing "resource 
control" for Xen -- e.g., low-level mechanisms that could be used to 
provide QoS guarantees to partitions, by enforcing SLA-type policies on 
the resources (CPU, network, storage, etc.) consumed by each domain.

I've come up with a requirements/design document that describes the 
motivation for this work and my initial plan of attack.  The document is 
here:
http://www.ece.cmu.edu/~griffin2/xen/

As per the earlier discussion, it's not a simple problem, so I'm 
interested to hear any comments on the expected effectiveness of this 
proposed approach.  I'll update that page (and post updates here) as the 
work progresses.

JLG