PC Communication in an OSI environment : TM&T : Mail and Talk on TAINS

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Tohoku University has constructed a large-scale information network TAINS (Tohoku University Academic Information Network System). This network has adopted the OSI(Open System Interconnection) network architecture in its entirety and is the first of its kind. However, there is a dearth of applications which realize the various potentials of such communication networks. This may be due to the fact that the protocol regulation for some of the upper layers is fairly recent while those of higher layers are still in the process of being finalised. In any case, the methodology of constructing these type of applications has not been fully explored. The environment of TAINS has the rich potential of supporting various features e. g. distributed processing, distributed databases, various kinds of data-communication facilities, etc. In this paper we will report on an attempt to develop a communication application which provides PC-users on TAINS with mail handling and simultaneous-keyboard-talking capabilities.

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