[AG-TECH] VB and VX beta release

Rod Harris rod.harris at anu.edu.au
Wed Oct 11 01:20:03 CDT 2006

Hi All,

   We are pleased to announce a beta testing release of VB and VX. VB
is an AccessGrid 3 Shared Application that, through use of STUN and VX 
servers, enables AccessGrid participation through NATs and Firewalls.
The initial application of this is to enable AccessGrid participation 
for people over low speed links and testing has shown that we can get
a usable setup on a 256/64k ADSL link.

The links for VB and VX are respectively:

   For this release, please be wary of using VB on multicast enabled 
networks. There are tests to avoid multicast loops and packet duplication
but this is a beta release so some configurations may cause problems 
still. If you're running on linux, you can disable multicast temporarily
by doing the following as super user:
   route add -net netmask lo
Then upon restarting the VenueClient, you should not see external 
multicast video/audio (the media tools must be restarted for the above 
command to take effect). Multicast can be reenabled with:
   route del -net netmask

   VX is the bridging/transcoding server. Through this testing phase,
we will run a test server here and this server is configured as the 
default in VB. Please bear in mind that this is a beta release so the 
server may not be available all the time, and if it falls over it
won't be put back up until Australian business hours. There is some 
documentation for setting up your own VX server but it is rather spartan 
at the moment.

    please contact us @
        vb at if.anu.edu.au
        vx at if.anu.edu.au

        Rhys and Rod

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