Not sure if this is exactly in line with what you're asking, but my
favorite solution in this area is:

Elapsed Time on Arrival: A simple and versatile primitive for
canonical time synchronization services (2006)
by Branislav Kusy , Prabal Dutta , Philip Levis , Miklos Maroti , Akos
Ledeczi , David Culler

The ChipCon radios in the CC430 and the RF2500 boards support this
sort of thing.

Peter

On Thu, Mar 1, 2012 at 9:24 AM, John Griessen <j...@ecosensory.com> wrote:
> I've been wondering for a long time, (without doing any experiments), if
> precision time protocol, (PTP), could be implemented using some
> deterministic
> output of the radio chip as packets arrive, and linking that time of
> arrival, (TOA),
> to the particular packet as they arrive.  You would not save all these
> local timestamps,
> just TOAs that matched a PTP synchronization packet.  anyone familiar
> enough with
> radio details to know which radio chip(s) would allow that?
>
> John Griessen
> --
> Ecosensory
>
>
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Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing 
also focuses on allowing computing to be delivered as a service.
http://www.accelacomm.com/jaw/sfnl/114/51521223/
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