Lucent Technologies Inc.

Madge Networks (israel) Ltd.

Meir Kruk

Oded Golan

Zvika Goldenberg

David Quentin Howard

Andrew Juniper

Yaron Dyclan

Gilad Pivonya

Yaron Dician

Gil Lebovich

Mark Perelman

Rina Tivon

A switch monitoring system including at least one bus having a plurality of switching ports, wherein a multiplicity of data portions travel over the bus, each of the data portions having at least one destination. The system also includes a plurality of workstations connected to the plurality of switching ports, and a data collection device operative to collect at least one of the data portions from the at least one bus which data portion is being transmitted along the at least one bus to at least one destination including at least one destination other than the data collection device.

Switch monitoring system having a data collection device using filters

This invention discloses a method and apparatus for analyzing traffic on an ATM network, the network comprising a first plurality of stations to be interconnected by a second plurality of ATM connections, the method includes intercepting at least one ATM connection characteristic of each of the second plurality of ATM connections and storing the at least one ATM connection characteristic in an ATM connection characteristic memory, monitoring the amount of traffic passing over each of the second plurality of ATM connections and accumulating the amounts of traffic in the ATM connection characteristic memory; for at least one ATM connection subset including at least one of the second plurality of ATM connections which complies with a retrieval key, the retrieval key comprising a combination of at least one of the ATM connection characteristics, determining the total amount of traffic that has passed over the ATM connection subset by retrieving from the memory, using the retrieval key, the amounts of traffic passing over each ATM connection in the ATOM connection subset and summing the amounts and generating an output representation of the total amount of traffic.

System for parameter analysis and traffic monitoring in asynchronous

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Ramat Gan, Israel

Meir Kruk