Maintaining historical LAN traffic statistics

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36457105, 395500, 370 17, 379113, G06F 1576

Patent

active

052315932

ABSTRACT:
Disclosed is a system for collecting and displaying statistical data for a plurality of local area networks (LANs). The data is collected in several remote nodes, each of which is attached to a local area network. The data is obtained by using a LAN driver that intercepts all records on the LAN. The records are sent to a collector process where statistics are accumulated into a shared memory area and then transferred to an archiver process in a management node. The archiver process writes the statistics to a history file while compressing older data to prevent the file from growing too large. The file is compressed based on a table of compression schedules, and peak data from samples having varying sampling rates is combined by reducing all sampling rates to the same value and estimating the peak data for samples wherein the sampling rate is changed.

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