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Week10

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Week10

  1. 1. How Network Management Systems Work SNMP Network management system MIB UPS
  2. 2. SNMP Simple Network Management Protocol is called SNMP for short. Information from the equipment is collected, and it observes and it controls. The router and the hub can be observed by using SNMP besides an active equipment such as computers.
  3. 3. Network management system A Network Management System (NMS) is a combination of hardware and software used to monitor and administer a network. Individual network elements (NEs) in a network are managed by an element management system.
  4. 4. MIB Management information base is called MIB for short. MIB stems from the OSI/ISO Network management model and is a type of database used to manage the devices in a communications network. It comprises a collection of objects in a (virtual) database used to manage entities (such as routers and switches) in a network.
  5. 5. UPS Uninterruptible power supply is called UPS for short. UPS also known as a battery back-up provides emergency power and, depending on the topology, provide line regulation as well to connected equipment by supplying power from a separate source when utility power is not available. It differs from an auxiliary power supply or standby generator, which does not provide instant protection from a momentary power interruption. A UPS, however, can be used to provide uninterrupted power to equipment, typically for 5-15 minutes until a emergency power system can be turned on or utility power is restored.
  6. 6. References http://ja.wikipedia.org/wiki/ http://images.google.co.jp/images

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