| 摘要 |
<p>The present invention contributes to reducing the rewriting cost of packet processing entry in a transfer node of an integrated control network. The transfer node is provided with: a first table for holding entries associating match conditions, and the processing details to be applied to packets compatible with the match conditions; a second table for holding entries determining the correspondence relationships of identifiers in which at least a part of the match conditions are substituted, and the details before substitution; and a packet processing unit for assessing, regarding the entries in the first table for which the identifies are set for part of the match conditions, with reference to the second table, whether the reception packet and the match conditions are compatible, and determining the processing details to apply to the reception packet.</p> |
