DV over IP

Yesterday I spent all day to attend opening ceremony of TEIN2. TEIN2 stands for the second generation of Trans-Eurasia Information Network. In other words, it is a dedicated research and education network directly linked Asia and Europe. There are only a few direct link between Asia and Europe. Most of available links in the past are between Asia and America because America is the origin and there are so many contents there. In this event, there are a few demonstration to show the power of TEIN2. In fact, it is just 155 Mbps link between Bangkok and Singapore. TEIN2 is currently connected to ThaiREN, the integration of UniNet and ThaiSarn. I saw two interesting demonstration. The first one is Tele-Medicine. The key tool of this demonstration is DVTS aka Digital Video over IP. It constantly consumes 36 Mbps for 2-way high definition video conference. The next one is again DVTS but customized to reduce frame rate and bandwidth consumption to 6 Mbps for low speed network in developing country.

I am not sure that DVTS supports multi-point communication or not. However, in Access Grid, we have another approach to integrate DVTS with Access Grid effectively. This work has been done by Gwangju Institute of Science and Technology and named High-quality Video Service for Access Grid. By the way, this project seems to be freezed for 2-3 years. I may or may not work with Access Grid Toolkit 2.4 and 3.0 properly.

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