Abstract
As Web services have evolved as a means to integrate processes and applications at an inter-enterprise level, traditional transaction semantics and protocols have proven to be inappropriate. Web services-based transactions, colloquially termed Business Transactions, differ from traditional transactions in that they execute over long periods, they require commitments to the transaction to be “negotiated” at runtime, and isolation levels have to be relaxed. A solution to this problem has to work over HTTP and include existing transaction processing technologies of all types: database management systems, application servers, message queuing systems and packaged applications. In this paper we’ll look at the WS-CAF standardization effort and show how it is attempting to address this important and difficult subject. We’ll also consider how the architecture defined by WS-CAF fits into the evolving architecture of Web services.
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References
RFC 237 (1998), http://www.faqs.org/rfcs/rfc2371.html
OASIS Web Services Composite Application Framework Technical Committee, http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=ws-caf
OASIS Web Services Business Process Execution Language Technical Committee, http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=wsbpel
The Web Services Choreography Interface, August 2002, W3C Note, http://www.w3.org/TR/2002/NOTE-wsci-20020808/
W3C Architecture Committee, see http://www.w3.org/2002/ws/arch/
http://www-306.ibm.com/software/solutions/webservices/pdf/SecureReliableTransactedWSAction.pdf
See http://www.ws-i.org/Documents.aspx for background on WS-I and information on WS-I working group charters
http://www.omg.org/technology/documents/formal/add_struct.htm
http://www.omg.org/technology/documents/formal/transaction_service.htm
Session Modeling for Web Services, Hal Hildebrand et al, Proceedings of ECOWS (2005)
W3C WS-Addressing Working Group, http://www.w3.org/2002/ws/addr/
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© 2007 Springer-Verlag Berlin Heidelberg
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Little, M. (2007). WS-CAF: Contexts, Coordination and Transactions for Web Services. In: Meersman, R., Tari, Z. (eds) On the Move to Meaningful Internet Systems 2007: CoopIS, DOA, ODBASE, GADA, and IS. OTM 2007. Lecture Notes in Computer Science, vol 4803. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-76848-7_32
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DOI: https://doi.org/10.1007/978-3-540-76848-7_32
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