| 摘要 |
An object of the present invention is to provide a frame generator in which no variable range of the field of a transmission frame required to measure a network is restricted by the capacity of a memory. The invention is a frame generator for outputting a transmission frame generated on the basis of a field value of a frame to a network, and comprising: a memory for storing a reference frame as a first frame of the transmission frame; a field arithmetic section for outputting an arbitrary field value of the input frame and comparing this field value and a corresponding field value of the reference frame and calculating the difference between these field values; a check sum arithmetic section for calculating a check sum generated by the difference; and a field control section for inputting the arbitrary field value and the check sum thereto and determining into which place of the transmission frame the arbitrary field value and the check sum are inserted.
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