In July 2003 a consortium of Web services vendors released the Web services Composite Application Framework (WS-CAF) to the community. WS-CAF is comprised of three specifications that together provide a means of reliably composing individual Web services into larger aggregate applicati... Apr. 30, 2004 12:00 AM EDT Reads: 29,730 Replies: 2 |
Web services have become the integration platform of choice for enterprise applications. Those applications by the very nature of their enterprise-scale components can be complex in structure, which is compounded by the need to share common data or context across business processes sup... Dec. 1, 2003 12:00 AM EST Reads: 22,937 Replies: 1 |
In July 2002, BEA, IBM, and Microsoft released a trio of specifications designed to support business transactions over Web services. These specifications, BPEL4WS, WS-Transaction, and WS-Coordination, together form the bedrock for reliably choreographing Web services-based applications... May. 23, 2003 12:00 AM EDT Reads: 16,787 Replies: 1 |
In July 2002, BEA, IBM, and Microsoft released a trio of specifications designed to support business transactions over Web services. These specifications - BPEL4WS, WS-Transaction, and WS-Coordination - together form the bedrock for reliably choreographing Web services-based applicatio... Apr. 22, 2003 12:00 AM EDT Reads: 40,480 Replies: 3 |
Use of atomic transactions is a well-known technique for guaranteeing consistency in the presence of failures. The ACID properties of atomic transactions (Atomicity, Consistency, Isolation, Durability) ensure that even in complex business applications consistency of state is preserved. Oct. 21, 2002 12:00 AM EDT Reads: 15,948 |
Atomic transactions are a well-known technique for guaranteeing consistency in the presence of failures. The ACID properties of atomic transactions ensure that, even in complex business applications, consistency of state is preserved. Sep. 23, 2002 12:00 AM EDT Reads: 14,491 |
In addition, it was suggested that traditional Online Transaction Processing systems (OLTP) don’t suffer from such limitations, rendering them more suitable for the emerging e-commerce applications that may require such guarantees. Mar. 1, 2002 12:00 AM EST Reads: 12,601 |







Mark Little was Chief Architect, Transactions for Arjuna Technologies Ltd, a UK-based company specialising in the development of reliable middleware that was recently acquired by JBoss, Inc. Before Arjuna, Mark was a Distinguished Engineer/Architect within HP Arjuna Labs in Newcastle upon Tyne, England, where he led the HP-TS and HP-WST teams, developing J2EE and Web services transactions products respectively. He is one of the primary authors of the OMG Activity Service specification and is on the expert group for the same work in J2EE (JSR 95). He is also the specification lead for JSR 156: Java API for XML Transactions. He's on the OTS Revision Task Force and the OASIS Business Transactions Protocol specification. Before joining HP he was for over 10 years a member of the Arjuna team within the University of Newcastle upon Tyne (where he continues to have a Visiting Fellowship). His research within the Arjuna team included replication and transactions support, which include the construction of an OTS/JTS compliant transaction processing system. Mark has published extensively in the Web Services Journal, Java Developer's Journal and other journals and magazines. He is also the co-author of several books including “Java and Transactions for Systems Professionals” and “The J2EE 1.4 Bible.”










