Message relaying system for a distributed processing system

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395200, 364DIG1, 364229, 3642291, 3642282, 3642604, 3642609, 364261, 3642612, H04L 1228, G06F 300

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active

053613880

ABSTRACT:
A terminal identifier correspondence management table provides the management of logical terminal identifiers generated by a host computer and assigned to each logical terminal and corresponding terminal identifiers generated for each terminal by a distributed computer. A logical terminal identifier is assigned to each logical terminal and is used by an interactive processing unit operating on a host computer. A distributed computer assigns a terminal identifier to each terminal and adds a terminal identifier into each message received by the distributed computer from a terminal, and the host computer deletes the terminal identifier in each message received from the distributed computer. The host computer provides the pertinent message to the interactive processing unit as if it were received from the logical terminal indicated by the logical terminal identifier corresponding to the received terminal identifier. The host computer, in response to a transmission request from an interactive processing unit, adds the terminal identifier of the terminal corresponding to the logical terminal identifier into the message, as determined from the terminal identifier correspondence management table. The distributed computer determines the terminal on the basis of the terminal identifier in the message received from the host computer and deletes the terminal identifier from the message.

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