Physics – Physics and Society
Scientific paper
2008-10-22
Physics
Physics and Society
Submitted to Phys. Rev. E (Rapid)
Scientific paper
We identify the statistical characterizers of congestion and decongestion for message transport in model communication lattices. These turn out to be the travel time distributions, which are Gaussian in the congested phase, and log-normal in the decongested phase. Our results are demonstrated for two dimensional lattices, such the Waxman graph, and for lattices with local clustering and geographic separations, gradient connections, as well as for a 1-d ring lattice with random assortative connections. The behavior of the distribution identifies the congested and decongested phase correctly for these distinct network topologies and decongestion strategies. The waiting time distributions of the systems also show identical signatures of the congested and decongested phases.
Gupte Neelima
Mukherjee Gautam
Mukherjee Satyam
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