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Re: EPD and PPD Simultaneously?

  • From: albert.e.manfredi@boeing.com
  • Date: Thu, 31 Aug 2000 14:21:29 GMT
  • Organization: Boeing North American
  • X-Article-Creation-Date: Thu Aug 31 14:21:29 2000 GMT


In article <8okv48$i9o$1@nnrp1.deja.com>,
  Thomas Frieling <thomas.frieling@experteach.de> wrote:

> > So RED permits this flow regulation to be done
> > independently by each router along the path.
> > (...)
>
> Only by the router? Isn't it possible that an ATM-switch - aware of
the
> fact that certain VCs carry TCP/IP-traffic - randomly discards packets
> (AAL5-PDUs) and thus resets the TCP-window size of only one
connection at
> a time before its buffer situation forces to drop packets massively
and
> thus resets the window sizes of all connections?

Sure, but isn't that what EPD addresses?

I was discussing RED (or WRED) as it's being considered for DiffServ
(IP Differentiated Services), without the benefit of an ATM
infrastructure.

--
Bert
albert.e.manfredi@boeing.com


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