NETWORK DEVICE TRANSMITTING ONLY DIFFERENCE DATA OF NETWORK MANAGEMENT INFORMATION, SERVER, PROGRAM AND METHOD

摘要

PROBLEM TO BE SOLVED: To provide a network device or the like for reducing an amount of data on management information transmitted to a network management device from the network device.

SOLUTION: This network device has: a notation conversion means converting all management information based on an MIB (Management Information Base) of SNMP (Simple Network Management Protocol) into comprehensive management data of markup description language notation; a preceding data storage means storing the comprehensive management data in preceding update time; a difference data generation means generating difference data from the comprehensive management data stored in the preceding data storage means and the comprehensive management data in later update time; and a communication interface means transmitting the difference data to the network management device. A markup description language is XML (eXtensible Markup Language), and the difference data is RSS (Rich/RDF Site Summary) information.

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