Cisco Technology, Inc.

Helmut Matthias Simonis

Jean-Philippe Vasseur

Eric Osborne

Stefano Novello

Josh Singer

Quanshi Xia

In one embodiment, a method of determining data traffic flow in a network includes: (a) selecting a location within the network for providing a data collector adapted to process data pertaining to the network data traffic flow; (b) determining the expense or level of data capture that would result from providing the data collector at the selected location; and (c) providing the data collector at the selected location dependent on the determination in step (b) and predetermined expense or data capture targets.

Assisted determination of data flows in communication/data networks

A method of determining traffic paths between one or more source-destination node pairs in a communications network, comprising starting from a first set of paths between said source-destination node pairs, determining a second set of paths between said source-destination node pairs while taking into account a set of constraints, such that said second set of paths emulates said first set of paths.

Traffic flow determination in communications networks

A method of calculating traffic values in a communications network (), the communications network comprising a plurality of nodes (), the nodes being connected to one another by links (), the method comprising: (a) obtaining traffic data measurements () through said nodes and/or links in an initial scenario as input data; (b) deriving a traffic flow model for a modified scenario using a plurality of constraints describing the interdependency of said initial to said modified scenario (); and (c) calculating values and/or upper and lower bounds of traffic values for said modified scenario from said traffic flow model using said input data ().

Method and system for constraint-based traffic flow optimisation system

A method of estimating traffic values or intervals in a communications network, the network comprising a plurality of nodes being interconnected by links, the method comprising the steps of (a) obtaining traffic data through the nodes or links as input data; (b) obtaining network data relating to the network topology and network behaviour; and (c) estimating the effect of a modification of the communications network and/or its behaviour be calculating traffic information between a selected first and a selected second node of the network using the input data.

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Richmond, United Kingdom

Helmut Matthias Simonis