Abstract: A method of monitoring events in network traffic is described herein, in accordance with various embodiments. The method may provide for the reduction in the number of network traffic samples that need to be analysed in order to determine performance criteria for the traffic in the network. By selecting specific samples as representative of the requirements of all the traffic, it may be possible to more efficiently and quickly provide an analysis of the activity of the network.

Abstract: A network analysis tool is provided. The tool is configured to enable the analysis of traffic on the network so as to provide for scheduler hierarchies. By analysing the traffic using techniques based on large deviation theory the present invention provides for the analysis of traffic on multiple inputs to a scheduler based on the traffic class and a parameter defining how traffic on that specific input should be treated.

Abstract: The present invention provides a method and system for estimating the optimum service rate or bandwidth requirement (BWR) for a switch or router in a communications network for a particular traffic flow which contains elastic traffic, i.e. traffic subject to a feedback mechanism. The invention provides an iterative technique to estimate the optimum service rate from calculated BWRs for the particular traffic flow without initially knowing the precise form of the BWR for various service rates at a buffer of a switch. This is done by initially configuring a service capacity, calculating the BWR to configure a new service capacity and repeating this until the calculated BWR and configured service capacity coincide.