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In the field of information technology, agentless data collection involves collecting data from computers without installing any new agents on them. ==What is an agent?== For the purpose of this discussion, an agent is a software program (sometimes called a ''service'' or ''daemon'') that runs on a computer with the primary purpose of collecting information and ''pushing'' it over the network to a central location (or else of re-publishing the information in a standard format like SNMP so that it can then be collected over the network from the central location). The traditional approach to data collection involves installing agents on all computers from which data is needed. Sometimes this installation step is performed manually for each computer, other times it is automated via a centralized installation server that ''pushes'' software to other computers. In either case, the cost of installation (and subsequent maintenance and upgrade) is typically proportional to the number of computers that require installation services, and this is in turn equal to the number of computers from which data is needed. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Agentless data collection」の詳細全文を読む スポンサード リンク
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