Traffic matrices (TM) reflect the volume of traffic that flows between all possible pairs of sources and destinations in a network. Estimation techniques based on partial information are used to populate traffic matrices because amassing sufficient data from direct measurements to populate a traffic matrix is typically prohibitively expensive. Despite of the benefits that would be derived from having access to accurate traffic matrices for a network, very few techniques have been proposed for estimating them in the context of Internet. This paper focuses on the traffic estimation problem in the context of backbone POP-to-POP topologies corresponding to Tier-1 carrier networks.
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