A bitmap coding method for P2P streaming protocols

  title={A bitmap coding method for P2P streaming protocols},
  author={Guangqing Deng and Chunxi Li and Changjia Chen and Yunfei Zhang},
  journal={2010 2nd International Asia Conference on Informatics in Control, Automation and Robotics (CAR 2010)},
To reduce signal overhead, we present a bitmap coding method which just codes changing bits between two continuous bitmaps sent by the same peer. Our method has a novel characteristic that the smaller the bitmap exchange interval is, the shorter the coded sequence is. The average compression ratio of our method is 13.46∶1 for real bitmaps crawled from PPLive. For the same bitmap crawled from UUSee, the average compression ratio of UUSee's coding method is 6.26∶1, but that of our method is 9.96… CONTINUE READING

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