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An Analysis of WWW Server Status by Packet Monitoring
Yutaka NAKAMURA Ken-ichi CHINEN Suguru YAMAGUCHI Hideki SUNAHARA
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/05/25
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (Special Issue on Next Generation Internet Technologies and Their Applications)
server management, server state, real time measurement, packet monitoring, ENMA,
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A management of WWW server is still relying on the expertise and heuristic of administrators, because the comprehensive understandings of server behavior are missing. The administrators should maintain the WWW server with good states that they should investigate the WWW server in real time. Therefore, it is exactly desirable to provide a measurement application that enables the WWW server administrators to monitor WWW servers in the actual operational environment. We developed a measurement application called ENMA (Enhanced Network Measurement Agent) which is specially designed for WWW server state analysis. Furthermore, we applied this application to the large scale WWW server operation to show its implementation and advantages. In this paper, we analyze the WWW server states based on precise monitoring of performance indices of WWW system to help the server management.