Event-based QoS for a distributed continual query system

被引：0
|
作者：
Swint, GS [1 ]
Jung, GY [1 ]
Pu, C [1 ]
机构：
[1] Georgia Inst Technol, CERCS, Atlanta, GA 30332 USA
来源：
Proceedings of the 2005 IEEE International Conference on Information Reuse and Integration | 2005年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Continual queries for information flows are attracting increased interest. However, two important characteristics of information flows are not adequately addressed by current continual query packages: distribution and Quality-of-Service (QoS). In this paper, we use Infopipes, an abstraction for information flows, and the Infopipes Stub Generator to create a distributed version of the Linear Road benchmarking application around an existing continual query server (CQ server). Then, we install a QoS event generator/monitor pair that observes system response latencies. Receipt of each query result generates a feedback event reporting the latency (response time) for that request. If latencies exceed a threshold as parameterized by a WSLA, then the Infopipes controlling the CQ server can attempt to restore latencies to an acceptable level by generating an adaptation event for the Infopipes managing the CQ server.
引用
收藏
页码：530 / 535
页数：6
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