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Comments on "An optimal shortest-path routing policy for network computers with regular mesh-connected topologies"

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2 Author(s)
Weller, T. ; Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL, USA ; Hajek, B.

S. Badr and P. Podar (1989) introduced a zig-zag routing policy and showed its optimality for shortest-path routing on square or infinite grid networks with independent link failures. This paper shows that, contrary to the claim of Badr and Podar, a zig-zag policy is not optimal for shortest-path routing on torus networks.<>

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Computers, IEEE Transactions on  (Volume:43 ,  Issue: 7 )