| 摘要 |
PROBLEM TO BE SOLVED: To provide an entry registration method capable of performing registration, deletion and change or the like of an entry to an entry table at a high speed without generating a queue or blocking of processing and without conflicting with table retrieval.SOLUTION: Entry tables respectively having a hash table, tables to be referred to upon access control list (ACL) processing for instance, are provided on two surfaces, and while performing processing of constructing the hash table according to the entry, retrieval processing to the hash table is made possible on the other surface, and a surface to be the object of hash table construction processing and a surface to be the object of retrieval processing are replaced at arbitrary timing (periodically, for instance). |
