[AG-TECH] Conference XP vs AG

[Bob Riddle]

It resembles the AG, where all the nodews "join" a specific multicast 
group.  There are Venue Servers that, as the AG venue server also does, 
tells the client which multicast group is associated with the selected 
Venue.


John Langkals wrote:

>AG Tech, Bob, and Cindy,
>
>How does Conference XP initiate, maintain, and teardown the connection
>between sites/nodes?  Is it a SIP/H.323 ITU like IP dialing protocol or does
>it resemble the AccessGrid/VRVS virtual venue HTTPS certificate server
>model.
>
>Thank you,
>
>John
>
>John Langkals
>Systems Manager
>OCTS
>M2021 Physics Research Building
>191 West Woodruff Avenue
>Columbus, Ohio 43210
>614.292.6957 Office
>614.327.3732 Cell
>614.292.7557 FAX
>www.octs.osu.edu
>
>-----Original Message-----
>From: owner-ag-tech at mcs.anl.gov [mailto:owner-ag-tech at mcs.anl.gov] On Behalf
>Of Bob Riddle
>Sent: Thursday, August 18, 2005 1:14 PM
>To: Cindy Sievers
>Cc: ag-tech at mcs.anl.gov
>Subject: Re: [AG-TECH] Conference XP vs AG
>
>Here are my observations (overlooking the Windows-only thing):
>
>1. ConfXP is more "user-friendly" - you don't need a node operator, unix
>expert, a magic wand, or need to wave a dead chicken & chant to make it
>work.
>
>2. The video is much better - ConfXP takes advantage of the Windows Media
>API's and does a very nice job rendering the video & audio - lipsynch has
>not been a problem for me in my test sessions with folks in Europe.
>
>3. A "bridge" is provided for multicast-challenged users and to use it, the
>user simply uses a pull-down menu item on their ConfXP.
>
>4. the integration of the client with the TabletPC is compelling (at least
>to me).  It allows the instructor/presenter to face the "audience" 
>instead of pointing at a screen and allows interactive mark-ups on the
>presentation.
>
>5. you can specify point-to-point connections for two sites, and it seems to
>work well for the bandwidth challenged locations.
>
>Thats my $.02
>
>Cindy Sievers wrote:
>
>  
>
>>Hi everyone,
>>
>>I was just wondering if anyone has had a chance to test Microsoft 
>>Conference XP?  What are the major  differences between AG and 
>>Conference XP? (aside from the fact that Conference XP only runs on a 
>>windows macine) I was looking at their documentation, and they use the 
>>exact terminology that AG does, almost the same equipment list, and 
>>seem to have the same results.....but I just wanted to hear from folks 
>>who have actually used it....
>>We are going to do a collaborative education project with a remote 
>>site who is leaning toward Conference XP and they want to know what 
>>the differences are and what the compelling arguments are for either....
>>
>>Thanks
>>Cindy
>>
>>
>>
>>============================================
>>Cindy Sievers           Los Alamos National Laboratory
>>sievers at lanl.gov        Group CCS-1 MS B287
>>tel:505.665.6602        Advanced Computing
>>fax:505.665.4939        Los Alamos, NM 87544
>>============================================
>>
>>
>>    
>>
>
>  
>

-- 
Bob Riddle (bdr at internet2.edu)    Technologist,Internet2
1000 Oakbrook, Suite 300          Ann Arbor, Michigan  48108
Business Phone: 734.913.4257      Fax Number:  734.913.4255

"An expert is a man who has made all the mistakes that can be made in a very narrow field."  Niels Bohr

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