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Cell Relay Retreat>List Archive>month:1998-Feb> msg00099



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Re: Explanation of PPD

  • From: Gopal Kailad <gopal@torrentnet.com>
  • Date: Tue, 24 Feb 1998 10:57:48 -0500

rhiggins@westell.com wrote:

> Hello:
>
> Can somebody explain to me what PPD is?  And how it is different from EPD.
>

  PPD:  Once a cell is discarded, all subsequent cells that belong to the
same AAL
PDU will be dropped.

EPD: Once congestion exceeds certain threshold, AAL PDUs will be dropped as
a whole.

Cheers,

Gopal