High-speed group communication protocol for exchanging real-time multimedia data

Authors:
Takuya Tojo;Tomoya Enokido;Makoto Takizawa
Affiliations:
Department of Computers and Systems Engineering, Tokyo Denki University, Hatoyama, Hiki-gun, Saitama 350 0394, Japan.;Department of Computers and Systems Engineering, Tokyo Denki University, Hatoyama, Hiki-gun, Saitama 350 0394, Japan.;Department of Computers and Systems Engineering, Tokyo Denki University, Hatoyama, Hiki-gun, Saitama 350 0394, Japan
Venue:
International Journal of Wireless and Mobile Computing
Year:
2005

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Abstract

In group communications, multiple processes first establish a group and then each process sends a message to multiple processes while receiving messages from multiple processes in the group. In addition, messages are required to be causally/totally delivered to each process. Due to the limited computation and communication resource, processes cannot send and receive as many messages as the processes would like. We propose a notification-based data transmission procedure with two-phase slow start (TPSS) to efficiently exchange multimedia messages in a group so as to satisfy QoS requirement. In TPSS, the transmission rate of a process is increased by transmitting redundant data so that no data is lost even if some packets are lost.