#!/usr/bin/python
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-# $Id: topology.py 14181 2009-07-01 19:46:07Z acb $
-# $URL: https://svn.planet-lab.org/svn/NodeManager-topo/trunk/topology.py $
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#
# Links in the physical topology, gleaned from looking at the Internet2
# topology map. Link (a, b) connects sites with IDs a and b.