All things related to multicast

["Richard Mavrogeanes" <>]

Mark,
 
The answer is very simple:  we support MPEG-2 transport streams and cisco's 
product is not compatible with the VBrick for MPEG-2.  We make some effort to 
prevent the SAP from showing up in cisco's manager to help prevent a viewer 
from thinking they can see it.   (The MPEG-1 product does support a cisco 
ip/tv RTP compatibility mode).  To view the MPEG-2 video on a Windows 
desktop, you should use the StreamPlayerII viewer, available to all I2 
members at very low cost.  The SAP's show up in StreamPlayerII directly, 
without a content manager.
 
Mark, there was full time MPEG-2 between Monterey Bay and Mystic Aquarium (I 
am at the Mystic end) recently, with the ROV controlled at Mystic.  Is this a 
related project?  Having it multicast would be great.
 
/rich mavrogeanes
 

        -----Original Message----- 
        From: Mark Boolootian 
[mailto:]
 
        Sent: Sun 6/16/2002 2:39 PM 
        To: 

 
        Cc: 
        Subject: Question on SAP advertisements from VBrick
        
        


        Folks,
        
        I have a bit of a multicast problem and could use some advice.
        
        I've got a project involving a VBrick 4300 that will eventually 
multicast
        MPEG-2 video from an ROV crawling around the floor of the Monterey 
Bay,
        assuming the microwave shot across the Monterey Bay works.
        
        Currently, the VBrick is sourcing video to 233.22.107.1 and issuing 
SAP
        announcements.  Routers listening for sdr (session name is "UCSC 
Test")
        can see the session, but the announcement doesn't show up in the sdr
        application.  I also could not see the announcement using an iptv 
client.
        I had hoped to use the iptv client to look at the VBrick stream, but 
as far
        as I can tell, iptv will only let me fire up sessions it learns from 
content
        managers.  I can't tell iptv to look at a particular group/port. 
        
        Why aren't the SAP announcements from the VBrick showing up in
        sdr or the IP/TV content manager iptvhost.uoregon.edu?   Are there
        nuances to the SAP configuration on the VBrick that might be 
responsible
        for this? 
        
        thanks,
        mb
        ---
        Mark Boolootian
        UC Santa Cruz