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CCS
2007
ACM
14 years 3 months ago
Managing RBAC states with transitive relations
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
Chaoyi Pang, David P. Hansen, Anthony J. Maeder
LCN
2006
IEEE
14 years 3 months ago
Performance Limits and Analysis of Contention-based IEEE 802.11 MAC
— Recent advance in IEEE 802.11 based standard has pushed the wireless bandwidth up to 600Mbps while keeping the same wireless medium access control (MAC) schemes for full backwa...
Shao-Cheng Wang, Ahmed Helmy
MOBISYS
2007
ACM
14 years 8 months ago
Improving mobile database access over wide-area networks without degrading consistency
We report on the design, implementation, and evaluation of a system called Cedar that enables mobile database access with good performance over low-bandwidth networks. This is acc...
Niraj Tolia, Mahadev Satyanarayanan, Adam Wolbach
INFOCOM
1998
IEEE
14 years 1 months ago
On Adaptive Bandwidth Sharing with Rate Guarantees
The objective of recent research in fair queueing schemes has been to efficiently emulate a fluid-flow generalized (weighted) processor sharing (GPS) system, as closely as possibl...
Nick G. Duffield, T. V. Lakshman, Dimitrios Stilia...
SOSP
2003
ACM
14 years 5 months ago
Separating agreement from execution for byzantine fault tolerant services
We describe a new architecture for Byzantine fault tolerant state machine replication that separates agreement that orders requests from execution that processes requests. This se...
Jian Yin, Jean-Philippe Martin, Arun Venkataramani...