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Building simulators that are simultaneously general purpose, modular, extensible, distributed and portable is a key challenge in system simulation. This paper describes one such implementation in the form of a general purpose discrete event-driven simulator. Our implementation is truly general purpose allowing it to execute not only diverse algorithms in(More)
Least Common Ancestor Networks (LCANs) are introduced and shown to be a class of networks that include fat-trees, baseline networks, SW-banyans and the router networks of the TRAC 1.1 and 2.0, and the CM-5. Some LCAN properties are stated and the permutation routing capabilities of an important subclass are analyzed. Simulation results for three permutation(More)