Jini平台上之服務可靠度支援
Supporting Service Reliability QoS on JINI Platform
Date Issued
2007
Date
2007
Author(s)
Lu, Shih-Yu
DOI
en-US
Abstract
In the distributed system, system engineer faces kinds of network protocols, operating systems and hardware, and the heterogeneity make the developing process so complex. To ease the complexity of distributed system, Middleware has appeared. Middleware can hide the different OSs and networks, and help engineers to build system large complex systems easily.
The present middleware evolution trend is adding in QoS support. The service reliability is truly an important issue, so we designed and built a reliability QoS supporting mechanism. Our mechanism used replication technologies to improve service reliability, and let user specify reliability easily by intuitive phrases. About the replication technology, we built a reliability prediction mechanism based on host uptime distribution. And we use this reliability prediction mechanism to allocate service replica, which improves resource utilization and reliability QoS accuracy.
We build our reliability QoS mechanism based on JINI and RIO platform, and experiment its performance. Considering the variaty of distributed environment, our reliability QoS mechanism could be implemented with any middleware that supports QoS.
Subjects
可靠度保證
可靠度預測
分散式系統
JINI
Reliability QoS
Reliability Prediction
distributed system
Type
thesis
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