[e2e] Internet packet dynamics
Jonathan M. Smith
jms at central.cis.upenn.edu
Mon Mar 29 15:19:13 PST 2004
Yes - there's an experiment which exploits this notion described in an
article by Ilija Hadzic and I which appeared in the Nov. 2003 ACM Transactions
> In message <Pine.GSO.4.58.0403161332180.17431 at stimpy.eecis.udel.edu>, "Armando
> L. Caro Jr." writes:
> >First, I don't see how it is possible to distinguish congestion induced
> >outages from non-congestion induced outages. Maybe it's possible in some
> >scenarios if the sender tracks delay variations similar to how FAST TCP
> >does, but this technique probably won't work with flash crowds.
> You can make a very good estimate using two pieces of information.
> First, a router knows what fraction of packets arrive trashed (e.g., CRC
> Second, the router knows what fraction of packets it is dropping on the floor.
> So you can begin to infer the components of the loss rate.
> Craig Partridge
> Chief Scientist
> BBN Technologies
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