[AG-TECH] Re: [AG-USERS] unicas question

Thomas D. Uram turam at mcs.anl.gov
Tue Jan 18 09:09:25 CST 2005

The only part of the AG that uses multicast is the media streams.  None of the shared 
applications I'm aware of uses multicast.


Jennifer Teig von Hoffman wrote:
> Hi Dio,
> Dioselin Gonzalez wrote:
>> Hello everybody,
>> We are working on a distance learning project and we would like to use 
>> AG.  One of the concerns is we want students to be able to attend 
>> class from home, where usually we don't have multicast.   I've been 
>> reading the documentation about bridges and the unicast option in the 
>> venue client. I have tried using this option at home and connect to 
>> the Argonne bridge, but yet I can't attend meetings from home.  What 
>> am I missing?  Would anybody point me out to what it takes to use 
>> unicast ?
> I'm not a networking person, but my hunch is it's either a blocked 
> port(s), or your traffic is going through a NAT router (which translates 
> addresses in a way that interferes with AG).
>> Another question: from what I've read, using unicast would allow users 
>> to start the media tools, but not the shared apps.  Is this correct?
> Depends on the shared app. I believe many shared apps use unicast natively.
> - Jennifer

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