Possible Duplicate:
creating a proxy site
video75 can be used to search youtube videos in countres like turkey, where youtube is banned. I observered the request and response from video75 and saw that it ultimately streams the video from googlevideo cache . I tried to play a video on video75 and I saw that ultimatly video was coming from
http://v3.cache8.googlevideo.com/videoplayback?ip=0.0.0.0&sparams=id,expire,ip,ipbits,itag,burst,factor&itag=5&ipbits=0&signature=C828978445F6F8FAC364767190EA41EDB026A90F.D05B9AF70E9A BCD458456D5D5E772D6B6612CC98&sver=3&expire=1250175600&key=yt1& factor=1.25&burst=40&id=0dcfc8d7fb303089&redirect_counter=1
the abobe url. How does video75 searches the video in the googlevideo cache.? IF i try play a video on youtube then the video is ultimatily streamed from chacheXX.youtube.com
how can i get a googlevideo /gooogle cache of a video which corresponds to a youtube video url /cache url?