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ATM Management Musts Managing an ATM network means cobbling together data from a variety of sources, including MIBs embedded in switches, proprietary extensions to AToM MIBs, element-management systems, and reports from ATM probes and analyzers. Regardless of the data source, accurately gauging the health of an ATM network requires the tracking of certain key events. Link-level events Link utilization Bit-interleaved parity errors in Sonet Loss-of-frame errors in Sonet Loss-of-signal errors in Sonet Port-level events Number of cells transmitted Number of cells received Bandwidth allocated Bandwidth used Cell delay Switch events Switch status Switch module status Host-to-link status Switch-to-switch link status Switch power-supply status Switch temperature VC events Number of cells transmitted Bandwidth allocated Bandwidth used Rejected cells Cell delay Home Contact Editors Lab Tests Registration Tech Tutorials Buyer's Guide Global Networks Opinion / Columns FAQs Subscriptions