Corvil Limited

Fergal Toomey

Ian Edward Dowse

Ian Malcolm Leslie

Raymond Russell

Alexander Latour-Henner

Nils Bjoerkman

Simon Andrew Crosby

John Trevor Lewis

Matthew Charles Davey

A method and system for determining short-timescale traffic rates from time stamped packet data is described. The method and system provides for the calculation of traffic rates, or bandwidths, in bits-per-second or packets-per-second over short time windows, using time-stamped packet records as input.

Method and system for determining short-timescale traffic rates from time-stamped packet data

Embodiments of the invention relates to bandwidth requirements within a packet data network. A method and system for analysing traffic is described herein. The method may utilises an estimation of a concave hull function of the arrived traffic within the buffer. The use of such a concave hull representation may allows for more efficient data processing and for a direct measurement of desired service rates for differing predetermined control parameters.

Method and apparatus for calculating bandwidth requirements

A data network in which at least one switch is provided with the facility for estimating current network demands using a polygonal approximation to scaled cumulant generating function. The approximation is iteratively refined in accordance with sampled data passing through the switch. The switch estimates the demand associated with a new data processing request as it is received by the switch and decides whether to accept the request based on available resources.

Data networks

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Dublin, Ireland

Fergal Toomey