Hi Jeremy thanks for your answer,
I�m working in network virtualization especially in link virtualization
we are trying an approach in which a link is a combination of up/down link
speed between two points.
But as we work in virtual environment fixing up/down link
speed for each connection is not a good way o enjoy virtualization benefits. So
we have as objective to implement an algorithm that decides each link speed
according to priority accorded to each network.
We want to change VIF speed instead of doing network shaping
because we follow a simple rule in networking, when you don�t need a packet
throw it as soon as possible and because in this way we are protocol independent
�(major traffic shaping method are for IP
For using proc is the only way I found for the moment to do
what I want because I don�t really understand, at least for the moment, the way
all this is working.
The best way to do it , I think is to force xen_netif to
read credit and usec parameter from xenstore each time it verify tx_credit_exceeded
but I didn�t find how to do it (as I say I don�t have a clear vision to all the
Thanks again for your answer don�t hesitate to emit any
critics if you see any incoherence in this idea.
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