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TON
2008
125views more  TON 2008»
13 years 5 months ago
Two techniques for fast computation of constrained shortest paths
Abstract-- Computing constrained shortest paths is fundamental to some important network functions such as QoS routing, which is to find the cheapest path that satisfies certain co...
Shigang Chen, Meongchul Song, Sartaj Sahni
SODA
1998
ACM
157views Algorithms» more  SODA 1998»
13 years 6 months ago
A Polynomial Time Approximation Scheme for Minimum Routing Cost Spanning Trees
Given an undirected graph with nonnegative costs on the edges, the routing cost of any of its spanning trees is the sum over all pairs of vertices of the cost of the path between t...
Bang Ye Wu, Giuseppe Lancia, Vineet Bafna, Kun-Mao...
CIC
2004
118views Communications» more  CIC 2004»
13 years 6 months ago
An Efficient Delay Sensitive Multicast Routing Algorithm
As a key issue in multicast routing with quality of service (QoS) support, constrained minimum Steiner tree (CMST) problem has been a research focus for more than a decade, and ten...
Gang Feng
DAC
2009
ACM
14 years 6 months ago
A fully polynomial time approximation scheme for timing driven minimum cost buffer insertion
As VLSI technology enters the nanoscale regime, interconnect delay has become the bottleneck of the circuit timing. As one of the most powerful techniques for interconnect optimiz...
Shiyan Hu, Zhuo Li, Charles J. Alpert
ICCAD
2008
IEEE
170views Hardware» more  ICCAD 2008»
14 years 2 months ago
A polynomial time approximation scheme for timing constrained minimum cost layer assignment
Abstract— As VLSI technology enters the nanoscale regime, interconnect delay becomes the bottleneck of circuit performance. Compared to gate delays, wires are becoming increasing...
Shiyan Hu, Zhuo Li, Charles J. Alpert