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» An Approximation Algorithm for Shortest Descending Paths
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ISCA
2008
IEEE
136views Hardware» more  ISCA 2008»
14 years 11 months ago
A Randomized Queueless Algorithm for Breadth-First Search
First Come First Served is a policy that is accepted for implementing fairness in a number of application domains such as scheduling in Operating Systems [28, 11], scheduling web ...
K. Subramani, Kamesh Madduri
CORR
2008
Springer
88views Education» more  CORR 2008»
14 years 11 months ago
Lower bounds for distributed markov chain problems
We study the worst-case communication complexity of distributed algorithms computing a path problem based on stationary distributions of random walks in a network G with the caveat...
Rahul Sami, Andy Twigg
TON
2008
99views more  TON 2008»
14 years 11 months ago
On the computational complexity and effectiveness of N-hub shortest-path routing
Abstract-- In this paper we study the computational complexity and effectiveness of a concept we term "N-hub ShortestPath Routing" in IP networks. N-hub Shortest-Path Rou...
Reuven Cohen, Gabi Nakibly
CORR
2010
Springer
107views Education» more  CORR 2010»
14 years 10 months ago
Maximum Betweenness Centrality: Approximability and Tractable Cases
The Maximum Betweenness Centrality problem (MBC) can be defined as follows. Given a graph find a k-element node set C that maximizes the probability of detecting communication be...
Martin Fink, Joachim Spoerhase
INFOCOM
2010
IEEE
14 years 10 months ago
Limitations and Possibilities of Path Trading between Autonomous Systems
Abstract—When forwarding packets in the Internet, Autonomous Systems (ASes) frequently choose the shortest path in their network to the next-hop AS in the BGP path, a strategy kn...
Yuval Shavitt, Yaron Singer