Patent ID: 8068729
Filing Date: 2011-11-29
Classification: H04J,H04L

Abstract:
1. A network testing apparatus for testing data transmitted between optical transmission devices, the apparatus comprising; a receiver for receiving data transmitted from one of the optical transmission devices to an other, the receiver being capable of acquiring information of a time of receiving the data; a selector for selecting a set of data to be tested out of the data received by the receiver; a tester for testing the set of data according to a predetermined test item, the tester being capable of acquiring information of a termination time of testing the set of data; a calculator for calculating a time interval between the time of the set of data received by the receiver and the time of termination of testing the set of data performed by the tester on the basis of the information of the time of receiving the data and of the termination time; a buffer for storing a next set of data corresponding to data received next to the set of data by the receiver; and a transmitter for transmitting the next set of data stored in the buffer after the time interval from a time when the next set of data is stored in the buffer.