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INFOCOM
2002
IEEE
15 years 11 months ago
Restoration Algorithms for Virtual Private Networks in the Hose Model
—A Virtual Private Network (VPN) aims to emulate the services provided by a private network over the shared Internet. The endpoints of e connected using abstractions such as Virt...
Giuseppe F. Italiano, Rajeev Rastogi, Bülent ...
ASUNAM
2010
IEEE
15 years 8 months ago
Fast Discovery of Reliable Subnetworks
Abstract--We present a novel and efficient algorithm, PATH COVERING, for solving the most reliable subgraph problem. A reliable subgraph gives a concise summary of the connectivity...
Petteri Hintsanen, Hannu Toivonen, Petteri Sevon
CORR
2008
Springer
112views Education» more  CORR 2008»
15 years 6 months ago
Approximating Transitivity in Directed Networks
We consider the minimum equivalent digraph (directed network) problem (also known as the strong transitive reduction) and its maximum objective function variant, with two types of...
Piotr Berman, Bhaskar DasGupta, Marek Karpinski
IPCO
2010
148views Optimization» more  IPCO 2010»
15 years 8 months ago
Prize-Collecting Steiner Network Problems
In the Steiner Network problem we are given a graph with edge-costs and connectivity requirements between node pairs , . The goal is to find a minimum-cost subgraph of that contain...
MohammadTaghi Hajiaghayi, Rohit Khandekar, Guy Kor...
AMC
2006
114views more  AMC 2006»
15 years 6 months ago
A multi-objective resource allocation problem in dynamic PERT networks
We develop a multi-objective model for the resource allocation problem in a dynamic PERT network, where the activity durations are exponentially distributed random variables and t...
Amir Azaron, Reza Tavakkoli-Moghaddam