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» Approximation Algorithms for Survivable Optical Networks
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INFOCOM
2009
IEEE
14 years 2 months ago
Hardness and Approximation of the Survivable Multi-Level Fat Tree Problem
—With the explosive deployment of “triple play” (voice, video and data services) over the same access network, guaranteeing a certain-level of survivability for the access ne...
Hung Q. Ngo, Thanh-Nhan Nguyen, Dahai Xu
APPROX
2008
Springer
134views Algorithms» more  APPROX 2008»
13 years 9 months ago
Inapproximability of Survivable Networks
In the Survivable Network Design Problem (SNDP) one seeks to find a minimum cost subgraph that satisfies prescribed node-connectivity requirements. We give a novel approximation r...
Yuval Lando, Zeev Nutov
GECCO
2003
Springer
162views Optimization» more  GECCO 2003»
14 years 22 days ago
Optimization of Spare Capacity in Survivable WDM Networks
A network with restoration capability requires spare capacity to be used in the case of failure. Optimization of spare capacity is to find the minimum amount of spare capacity for ...
H. W. Chong, Sam Kwong
STOC
2009
ACM
139views Algorithms» more  STOC 2009»
14 years 8 months ago
Online and stochastic survivable network design
Consider the edge-connectivity survivable network design problem: given a graph G = (V, E) with edge-costs, and edgeconnectivity requirements rij Z0 for every pair of vertices i,...
Anupam Gupta, Ravishankar Krishnaswamy, R. Ravi
BROADNETS
2004
IEEE
13 years 11 months ago
Capacity-Efficient Protection with Fast Recovery in Optically Transparent Mesh Networks
Survivability becomes increasingly critical in managing high-speed networks as data traffic continues to grow in both size and importance. In addition, the impact of failures is e...
Sun-il Kim, Steven S. Lumetta