作者: Kazunori Yamada
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摘要: A gateway apparatus for allowing a plurality of apparatuses on first network to co-operate with each other includes: message monitoring unit which monitors messages communicated the network, and detects an discovery discovering that satisfies arbitrary requirement; activation state managing checks whether at least one target among requirement indicated by is in activated communication network; predicted time determining determines as required activate apparatus; proxy response transmits, apparatus, including information indicating when not state.