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Activiti 5.0 GA, the Apache 2 Licensed BPMN 2 Engine Released
Alfresco has just released version 5.0 GA of the Activiti engine, an Apache2 licensed BPMN 2.0 implementation. InfoQ talked with project lead Tom Baeyens on the new release. Tom is also the creator and former project lead for the jBPM project.
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Panel: Surviving the Downturn
A panel of hard core developers, including Ted Neward and Jeffrey Palermo, assembled at TechEd 2009 has discussed the current economic difficult times and expressed their opinion on what a developer needs to do to remain employed.
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Engine Yard Releases Cloud Management Framework Vertebra
Vertebra, announced at RailsConf 2008, has finally been released. Vertebra is a platform to develop and manage cloud applications. We talked to Engine Yard founder and architect Jayson Vantuyl about what Vertebra and its use of XMPP bring to the table.
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The Architecture of Multi-Enterprise Business Applications
Jack Greenfield gave a presentation at the last PDC on the architecture of Multi-Enterprise Business Applications. He sees MEBAs as being applicable to a large number of industries and processes. In the presentation he introduced a MEBA model-driven framework that his team has set out to build.
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Orchestration vs. Choreography: Debate Over Definitions
With SOA maturing, it becomes more apparent that many people are getting lost in the “alphabet soup” of the terms that are interpreted and misinterpreted differently by many people. This makes it even harder for people, discussing complex SOA issues, to understand each other.
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Interview: Gregor Hohpe on Conversation Patterns and Cloud Computing
In this interview, recorded at QCon London, Google architect Gregor Hohpe talks to Stefan Tilkov about his new work on conversation patterns, building upon his earlier work on enterprise integration patterns. Gregor also talks about the similarities and differences in several approaches to cloud computing.
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The Industrialisation of IT?
WS-CDL has struggled from birth to find mainstream acceptance. Now one of the main authors, Steve Ross-Talbot, has compared one of the principles behind WS-CDL, that of precision in defining services, to that of the micrometer during the early industrial revolution. Can WS-CDL have the same impact as the micrometer and really facilitate service reuse?
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Should developers write their own transaction coordination logic?
In a recent discussion Mark Little and Greg Pavlik discuss whether transaction coordinators and transaction protocols are necessary in the context of widely distributed units of work. Isn't the knowledge of state alignment patterns enough?
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Presentation: Gregor Hohpe on Conversations Between Loosely Coupled Services
In this presentation, Google architect Gregor Hohpe introduces various concepts for to manage more complex interactions between services, including conversations, choreography, and orchestration. He provides a down-to-earth look at these concepts along with the associated Web services standards like WS-BPEL and WS-CDL, and identifies common patterns in service conversation.
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Presentation: Gregor Hohpe on Developing in a Service-oriented World
In this presentation, Google architect Gregor Hohpe takes a look at the architectural aspects of SOA, addressing issues such as the false sense of simplicity and the problems of established programming models.