Online Buy-at-Bulk Network Design
Online Buy-at-Bulk Network Design
We present the first online algorithms for the nonuniform, multicommodity buy-at-bulk (MC-BB) network design problem. Our competitive ratios qualitatively match the best known approximation factors for the corresponding offline problems. In particular, we show (a) a polynomial time online algorithm with a polylogarithmic competitive ratio for the MC-BB problem in …