Chapter

Wired/Wireless Internet Communications

Volume 6074 of the series Lecture Notes in Computer Science pp 107-120

Scalable Packet Loss Recovery for Mobile P2P Streaming

  • Jani PeltotaloAffiliated withDepartment of Communications Engineering, Tampere University of Technology
  • , Jarmo HarjuAffiliated withDepartment of Communications Engineering, Tampere University of Technology
  • , Lassi VäätämöinenAffiliated withDepartment of Communications Engineering, Tampere University of Technology
  • , Imed BouaziziAffiliated withNokia Research Center
  • , Igor D. D. CurcioAffiliated withNokia Research Center
  • , Joep van GasselAffiliated withNokia Research Center

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Abstract

In a real-time peer-to-peer streaming system peers in the overlay network may arrive and depart in a very dynamic fashion especially in mobile environment. This manifests itself by a sudden uncontrolled disappearance of a sender and, as a consequence, packets being lost at the receiving side. To ensure seamless media playback the data should not have interruptions. Therefore, if some data packets are missing those should be requested and retrieved from other peers before the playback point reaches the gap in the reception buffer. This paper presents a scalable two-stage packet loss recovery mechanism for a real-time peer-to-peer streaming system using RTCP and RTSP.

Keywords

Real-Time Peer-to-Peer Streaming Packet Loss Recovery RTP RTCP RTSP