A method and apparatus for determining locations for and placing k caches
in a network for optimizing performance of a network parameter. The method
includes the steps of selecting a placement parameter l that is greater
than 0, assigning l caches to l arbitrary nodes in the network. selecting
l caches to remove from the network, assigning l+1 caches to every
possible location in the network, computing and recording network
performance data on the network cost parameter for each location and for
each selection of l caches, determining a location where the network
performance data on the network cost parameter computed and recorded is
optimized, assigning l+1 caches to the determined location, and repeating
the above steps of selecting l caches, assigning l+1 caches, computing and
recording network performance, determining a location, and assigning l+1
caches for k-1 iterations.