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IPCO
1993
138views Optimization» more  IPCO 1993»
14 years 10 months ago
An efficient approximation algorithm for the survivable network design problem
The survivable network design problem (SNDP) is to construct a minimum-cost subgraph satisfying certain given edge-connectivity requirements. The first polynomial-time approximati...
Harold N. Gabow, Michel X. Goemans, David P. Willi...
INFOCOM
2009
IEEE
15 years 4 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
82
Voted
STOC
2009
ACM
139views Algorithms» more  STOC 2009»
15 years 10 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
INFOCOM
2009
IEEE
15 years 4 months ago
Circuits/Cutsets Duality and a Unified Algorithmic Framework for Survivable Logical Topology Design in IP-over-WDM Optical Netwo
: Given a logical topology and a physical topology , the survivable logical topology design problem in an IP-overWDM optical network is to map the logical links into lightpaths in ...
Krishnaiyan Thulasiraman, Muhammad S. Javed, Guoli...
JAL
2002
71views more  JAL 2002»
14 years 9 months ago
A primal-dual schema based approximation algorithm for the element connectivity problem
The element connectivity problem falls in the category of survivable network design problems { it is intermediate to the versions that ask for edge-disjoint and vertex-disjoint pa...
Kamal Jain, Ion I. Mandoiu, Vijay V. Vazirani, Dav...