[AG-TECH] TCP to UDP bridges.....

Joseph Stone stone004 at umn.edu
Fri Nov 3 04:47:07 CST 2006

Where does AGConnector fit into (compare to) this?  I've seen this  
work for a number of sites, but not all.


On Nov 3, 2006, at 3:26 AM, Andrew A Rowley wrote:

> Hi,
> In general, bridges use UDP as the AG traffic uses UDP.  The AG  
> toolkit uses vic and rat, which only communicate using UDP.  I have  
> a couple of solutions that help with this:
> StaticBridge uses the same set of port numbers (4 for AG audio and  
> video e.g. 2 per channel), regardless of the venue or the number of  
> users.  This means that users need to open less UDP ports in  
> general in their firewall.  This appears to work fine, although we  
> have not had heavy usage yet, and we can't yet use this with the  
> AG3 server due to differences in the way the Static and Quick  
> bridges work (I have submitted updates but have no idea of the  
> status of these, and if they will be in the next release).
> I have also been working on a TCP-based bridge.  This appears to  
> work OK just now, but I haven't really had any time to test it  
> properly yet.  If you are interested, I could see about packaging  
> something up for you to try out.  This also doesn't work with AG2/3  
> yet, although this will probably work in a completely different way  
> to both the Static and Quick bridges again, and will probably  
> require an AG Toolkit service to make it work (which I have again  
> not had time to get going).
> Andrew :)

Joseph Stone
Senior Informatics Manager
Family Medicine Community Health, Medical School, Univ. of Minnesota
Suite 220 Dinnaken
925 Delaware St. SE
Minneapolis, MN 55414

(612) 624-3192
stone004 at umn.edu

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