| 摘要 |
PROBLEM TO BE SOLVED: To provide an ONU capable of reducing a buffer memory capacity of the ONU.SOLUTION: An ONU10-1, connected with an optical communication path to an OLT1, to which a communication band in an upstream direction, which is a direction heading for the OLT1, is allocated, includes: a communication monitoring unit 111 for monitoring an amount of transmission data transmitted to the OLT1; and a band request unit 113 for calculating a report band, which is a request band for requesting to the OLT1 on the basis of an amount of transmission data and reporting the report band to the OLT1. |
