Research about modelling aspects of networks.

Balancing by PREFLEX: Congestion Aware Traffic Engineering

Conference paper
Networking 2011, Lecture Notes in Computer Science (6641)

This paper considers the problem of balancing traffic across network egresses. It achieves a workable solution using a scalable packet market scheme which couples end-hosts controlling their own connection with an overall controller which can select routes appropriately for each flow.

The flows are balanced to seek paths which minimise loss.

A practical system for improved efficiency in frequency division multiplexed wireless networks

Journal Paper
IET Communications, Volume 6, issue 4, p. 449-457

This paper looks at the problem of sending data using a variation on Orthogonal Frequency Division Multiplexing. In this variant frequencies are packed slightly closer. This means the frequencies are no longer orthogonal but more may be packed into a given amount of spectrum.

On the selection of management/monitoring nodes in highly dynamic networks

Journal Paper
IEEE Transactions on Computers, vol.62, no.6, pp.1207,1220

This paper considers the problems of placing management or monitoring nodes in a dynamic network. It trades off:
1) Selecting long-lived nodes
2) Selecting optimal nodes for traffic (close to the nodes they manage).


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