Sciweavers

4798 search results - page 725 / 960
» Time to change
Sort
View
PADS
2003
ACM
15 years 12 months ago
Hybrid Packet/Fluid Flow Network Simulation
Packet-level discrete-event network simulators use an event to model the movement of each packet in the network. This results in accurate models, but requires that many events are...
Cameron Kiddle, Rob Simmonds, Carey L. Williamson,...
SAC
2003
ACM
15 years 12 months ago
Distributed Query Adaptation and Its Trade-offs
Adaptive query processing in large distributed systems has seen increasing importance due to the rising environmental fluctuations in a growing Internet. We describe Ginga, an ad...
Henrique Paques, Ling Liu, Calton Pu
SACMAT
2003
ACM
15 years 12 months ago
Dependencies and separation of duty constraints in GTRBAC
A Generalized Temporal Role Based Access Control (GTRBAC) model that captures an exhaustive set of temporal constraint needs for access control has recently been proposed. GTRBAC...
James Joshi, Basit Shafiq, Arif Ghafoor, Elisa Ber...
SC
2003
ACM
15 years 12 months ago
A Self-Organizing Flock of Condors
Condor provides high throughput computing by leveraging idlecycles on off-the-shelf desktop machines. It also supports flocking, a mechanism for sharing resources among Condor po...
Ali Raza Butt, Rongmei Zhang, Y. Charlie Hu
199
Voted
SC
2003
ACM
15 years 12 months ago
Dyn-MPI: Supporting MPI on Non Dedicated Clusters
Distributing data is a fundamental problem in implementing efficient distributed-memory parallel programs. The problem becomes more difficult in environments where the participa...
D. Brent Weatherly, David K. Lowenthal, Mario Naka...