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Cell Relay Retreat>List Archive>month:1995-Oct> msg00053



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Multicasting with ATM - a concern

  • From: Curtis Villamizar <curtis@ans.net>
  • Date: Wed, 18 Oct 1995 11:30:32 -0400
  • CC: rick@stl.nexen.com, gja@thumper.bellcore.com, ip-atm@matmos.hpl.hp.com


In message <199510180602.IAA00941@lohi.dat.tele.fi>, Juha Heinanen writes:
>    There is an alternative that allows AAL5 to be used for mpt-to-mpt
>    connections.  Namely, set up the connection as a switched VP and
>    either: 1) allocate a unique VCI to each transmitter
> 
> this is worth considering now that we have switched VP capability in uni
> 4.0 signalling and thatfwhich many switches have already implemented for
> soft pvp purposes.
> 
> i don't remember how AAL3/4 implements MID allocation, but vci allocation
> protocol could be something similar.
> 
> -- juha

Would the 8 bit VPI field then limit us to 256 multicast groups on a
given switch?

Curtis