SLA-driven clustering of QoS-aware application servers

被引：36
作者：
Lodi, Giorgia [1 ]
Panzieri, Fabio [1 ]
Rossi, Davide [1 ]
Turrini, Elisa [1 ]
机构：
[1] Univ Bologna, Dept Comp Sci, I-40126 Bologna, Italy
来源：
IEEE TRANSACTIONS ON SOFTWARE ENGINEERING | 2007年 / 33卷 / 03期
关键词：
Service Level Agreement; Quality of Service; QoS-aware application server; QoS-aware cluster; dynamic cluster; configuration; monitoring; load balancing;
D O I：
10.1109/TSE.2007.28
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
In this paper, we discuss the design, implementation, and experimental evaluation of a middleware architecture for enabling Service Level Agreement (SLA)-driven clustering of QoS-aware application servers. Our middleware architecture supports application server technologies with dynamic resource management: Application servers can dynamically change the amount of clustered resources assigned to hosted applications on-demand so as to meet application-level Quality of Service (QoS) requirements. These requirements can include timeliness, availability, and high throughput and are specified in SLAs. A prototype of our architecture has been implemented using the open-source J2EE application server JBoss. The evaluation of this prototype shows that our approach makes possible JBoss' resource usage optimization and allows JBoss to effectively meet the QoS requirements of the applications it hosts, i.e., to honor the SLAs of those applications.
引用
收藏
页码：186 / 197
页数：12
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