Wei-Tek Tsai, Yinong Chen, Chun Fan 

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Wei-Tek Tsai, Yinong Chen, Chun Fan, 
(Department of Computer Science and Engineering, Arizona State University, Tempe AZ, 85281, USA)
Authors information: TSAI Wei-Tek is a professor at Arizona State University. His research areas are service-oriented computing, embedded systems, and system verification and validation. CHEN Yinong is a senior research scientist at Arizona State University. His research areas are service-oriented computing, embedded systems and dependable computing. FAN Chun received his Ph.D. degree at Arizona State University in 2006 and is now with Motorola, USA. His research areas are service-oriented simulation and software development life cycle.
Corresponding author: Wei-Tek Tsai, Phn: +1-480-7276921, Fax: +1-480-9652751, E-mail: wtsai@asu.edu
Received 2006-02-15; Accepted 2006-03-14

Abstract
Service-Oriented Architecture (SOA) has drawn significant attention recently, and numerous architecture approaches have been proposed to represent SOA-based applications. The architecture of SOA-based applications is different from traditional software architecture, which is mainly static. The architecture of an SOA-based application is dynamic, i.e., the application can be composed at runtime using existing services, and thus the architecture is really determined at runtime, instead of design time. SOA applications have provided a new direction for software architecture study, where the architecture can be dynamically changed at runtime to meet the new application requirements. This paper proposes a Process-Embedded Service-Oriented Infrastructure to build SOA-based applications. This infrastructure embeds the entire software lifecycle management and service-oriented system engineering into the application developed on this infrastructure. Thus, the users can easily re-develop the applications during operation to meet the changing environments and requirements, through the supports provided by the embedded infrastructure.

Tsai WT, Chen Y, Fan C. PESOI: Process embedded service-oriented architecture. Journal of Software, 2006, 17(6):1470-1484. 
DOI: 10.1360/jos171470
http://www.jos.org.cn/1000-9825/17/1470.htm



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