| 摘要 |
An ATM layer cell processing apparatus is provided with a plurality of cell processing sections, including a plurality of OAM cell processors provided with respect to each of OAM cell types, a cell identifying section outputting cell type information by decoding header information of an arrived cell, an OAM identifying section outputting OAM identification information including OAM type information identified based on OAM cell information of a payload and the cell type information, where the cell identifying section and the OAM identifying section are provided in common with respect to the plurality of cell processing sections including the plurality of OAM cell processors, and a mechanism sending the OAM ell type information and cell data of the arrived cell to a cell processing section which is to process the arrived cell at a subsequent stage, based on the OAM identification information output from the OAM identification section.
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