Causally ordered delivery of multimedia objects

Authors:
K. Shimamura;K. Tanaka;M. Takizawa
Affiliations:
Department of Computers and Systems Engineering, Tokyo Denki University, Ishizaka, Hatoyama, Saitama 350-0394, Japan;Department of Computers and Systems Engineering, Tokyo Denki University, Ishizaka, Hatoyama, Saitama 350-0394, Japan;Department of Computers and Systems Engineering, Tokyo Denki University, Ishizaka, Hatoyama, Saitama 350-0394, Japan
Venue:
Computer Communications
Year:
2002

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Abstract

In distributed applications such as teleconferences, a group of multiple processes are cooperating, where messages exchanged among the processes are required to be causally delivered. The processes are exchanging kinds of multimedia objects in addition to traditional text data. Since the multimedia messages are longer than traditional messages and are structured, it takes such a longer time that a communication event cannot be considered to be atomic. In this paper, we discuss new types of causally precedent relations among multimedia objects transmitted in the network. We discuss a protocol to causally deliver multimedia objects in a group of multiple processes. We also show the evaluation of the protocol.