[AG-TECH] Mapping IP addresses to Venues

[Jay Beavers]

Can someone explain to me:

 

*	Why are audio and video sent on different IP address / port
pairs for a single Virtual Venue?  Why do they not share a single
IP/Port address?  Doesn't the payloadtype field in RTP allow you to
effectively discern between audio and video streams?

 

*	How are the IP/port allocated for the Virtual Venues?

 

For instance, we requested a static allocation of a block of multicast
IP addresses from Internet2.  Since multicast traffic is scoped purely
on IP address and since the amount of traffic associated with a Virtual
Venue would generally degrade any other multicast application sharing
the same IP address but using a different port, it seems to me that each
venue should have a dedicated single IP address.

 

*	If you have a dedicated single IP address per venue, is there
anything wrong with following the RTP default ports of 5004 for RTP
traffic and 5005 for RTCP traffic?

 

Thanks.

 

 - jcb

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/ag-tech/attachments/20020321/f855ca73/attachment-0001.htm>