Importance

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Abstract

A transmission apparatus includes a memory, and a processor coupled to the memory and configured to process communication performed via logical-links established between the transmission apparatus and ONUs coupled to branch ends of a transmission line, perform, for each of the logical-links, a setting process for the communication for the ONUs, acquire, after the setting process, processing-information relating to processing of the communication from the ONUs for each of the logical-links, and store the processing-information in a database, acquire, in accordance with timings at which the logical-links have been re-established after disconnection, processing-information of the logical-links from the ONUs, and make a comparison of the processing-information with the processing-information stored in the database, and omit, in accordance with a result of the comparison, part of the setting process for the logical-links for which the processing-information acquired from the ONUs coincide with the processing-information stored in the database.

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First Claim