Exploring the dynamics of network optimisation

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• Nigel Walker, Ben Strulo, British Telecomm
• Wednesday 14 January 2009, 16:00-17:00
• MR15, CMS, Wilberforce Road, Cambridge, CB3 0WB.

If you have a question about this talk, please contact Neil Walton.

As proposed by Frank Kelly, network control protocols can be usefully interpreted as dynamically solving a distributed optimisation problem or, more generally, as seeking the saddle point of a Langrangian function. We will present some graphical notation and theoretical results that we use to explore design options for dynamics in these systems. These techniques allow us to associate a variety of dynamic systems with a given Lagrangian, in each case with an immediate convergence proof.

In the talk we will outline these ideas as they apply to some recent proposals in the area of multipath flow control.

This talk is part of the Optimization and Incentives Seminar series.

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