It's a new streaming technology called PXP offered by one of the largest chinese sites.
I don't know if its exactly p2p technology but it's seems to be some kind of accelerator of VOD and live streaming.
More info here:
http://translate.google.com/transla...PLOC% 3dCN4401
I have tried some streems using this technology and the conenction is superb. I heard Fedian are using it now but have not check it yet. Also this site for online movies use PXP and I have no buffering :
http://kikugamo.com/p3p/movie111.html