[e2e] Internet packet dynamics

[Jonathan M. Smith]

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 
on
Computer Systems.

									-JMS

> 
> 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
> errors).
> 
> 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
> 
> ****************
> Craig Partridge
> Chief Scientist
> BBN Technologies