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MONITORING

The FEDERICA infrastructure is monitored exploiting G3. Developed by CESNET, the G3 System is designed to provide large scale and continuous network infrastructure monitoring. Measurement mechanisms and data processing are able to keep and visualize some level of network dynamics. Data processing mechanisms ensure automated adaptability on real device reconfigurations and provide continuous and flexible mapping between technological (given by SNMP) and logical (human point of view) structure of measured devices. The user interface aggregates measured data while retrieving it from storage. Therefore the whole user interface is strictly designed as interactive.

The G3 System's interactive user interface is used by network administrators. It allows defining a time monitoring window ("from" to "now" basis), and the navigation is done through a tree representing devices and all SNMP measurable items for each device. The time stepping of measurements can change dynamically and the possibility of viewing sums, minimums, maximums of aggregated values exists.

The reporter is an external standalone tool working above the interactive user interface which generates static reports retrieved by an HTTP server and accessible by end-users. Report content is given by specific configuration; a typical example is a report about CESNET2 IP/MPLS backbone utilization (link, capacity, bit rate, utilization). The data shown by the reporter is set by the network administrators using the UI and defining Saved Sessions. Also, a configuration file has to be administered in order to define how data will be reported.

HIGHLIGHTS

FEDERICA A1 Poster

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