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Algorithms for checking channel passing in web service choreography

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Abstract

Web service choreography describes global models of service interactions among a set of participants. For an interaction to be executed, the participants must know the required channel(s) used in the interaction, otherwise the execution will get stuck. Since channels are composed dynamically, the initial channel set of each participant is often insufficient to meet the requirements. It is the responsibility of the participants to pass required channels owned (known) by one to others. Since service choreography may involve many participants and complex channel constraints, it is hard for designers to specify channel passing in a choreography exactly as required. We address the problem of checking whether a service choreography lacks channels or has redundant channels, and how to automatically generate channel passing based on interaction flows of the service choreography in the case of channel absence. Concretely, we propose a simple language Chor c , a channel interaction sub-language for modeling the channel passing aspect of service choreography. Based on the formal operational semantics of Chor c , the algorithms for static checking of service choreography and generating channel passing are also studied, and the complexity results of algorithms are discussed. Moreover, some illustrated service choreography examples are presented to show how to formalize and analyze service choreography with channel passing in Chor c .

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Authors and Affiliations

  1. College of Computer Sciences, Beijing University of Technology, Beijing, 100222, China

    Hongli Yang & Shengchao Qin

  2. Institute of Software, Chinese Academy of Sciences, Beijing, 100080, China

    Hongli Yang

  3. China Defense Science and Technology Information Center, Beijing, 100142, China

    Chao Cai

  4. Vancl Research Lab, Beijing, 100124, China

    Liyang Peng

  5. Facebook Inc., California, 94025, USA

    Xiangpeng Zhao

  6. LMAM and Department of Informatics, School of Mathematical Sciences, Peking University, Beijing, 100871, China

    Zongyan Qiu

  7. School of Computing, University of Teesside, Middlesbrough, TS1 3BA, UK

    Shengchao Qin

Authors
  1. Hongli Yang
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  2. Chao Cai
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  3. Liyang Peng
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  4. Xiangpeng Zhao
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  5. Zongyan Qiu
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  6. Shengchao Qin
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Corresponding author

Correspondence to Hongli Yang.

Additional information

Hongli Yang is an associate professor in the Department of Software, College of Computer Science, Beijing University of Technology. Her research interests include formal methods, program analysis and testing, especially for web service choreography, and wireless sensor network protocols. She received her PhD from Northwest University in 2004, and worked as post doctor at Peking University in 2005.

Chao Cai is a software engineer in the China Defense Science and Technology Information Center. His research interests include formal language and nature language processing. He received his PhD from the Department of Informatics, School of Mathematical Sciences, Peking university in 2009.

Liyang Peng is a research fellow at VANCL Research Laboratory. His research interests include specification and verification of programs, model checking, data mining, and machine learning. He received his PhD from the School of Mathematical Sciences, Peking university in 2010.

Xiangpeng Zhao is a software engineer at Facebook Inc. His interest includes formal methods, specification and verification of programs, and software performance tuning, especially for operation systems. He received his PhD from Peking University in 2008.

Zongyan Qiu is a professor in the Department of Informatics, School of Mathematical Sciences, Peking University. His research interests include formal methods, semantics of programming languages, and specification and verification of programs, especially for OO languages and OO programs. He received his MSc from Peking university in 1985. He is a distinguished member of CCF.

Shengchao Qin received his BSc in Information Science in 1997 and PhD in Applied Mathematics in 2002, both from Peking University. Since 2005 he has worked as a University Lecturer (Durham University), Reader (Teesside University), and Professor (Teesside University). His research interests lie mainly in formal methods, software engineering, and programming languages.

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Yang, H., Cai, C., Peng, L. et al. Algorithms for checking channel passing in web service choreography. Front. Comput. Sci. 7, 710–728 (2013). https://doi.org/10.1007/s11704-013-1238-z

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  • DOI: https://doi.org/10.1007/s11704-013-1238-z

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