InfoQ Homepage Architecture & Design Content on InfoQ
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Service Dynamics: the lazy man's way
This article describes "the hardest topic in OSGi, how to deal with service dynamics," based on personal experience. Two factors, concurrency and direct service references, make the problem "fiendishly hard." An import and an export policy should form a comprehensive doctrine for dealing with service dynamics and the article explores two export policies with their corresponding doctrines.
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The First Few Milliseconds of an HTTPS Connection
What exactly happens when an HTTPS connection is established? This article analyzes the data exchanged between the browser and the server, down to the byte, in order to set up a secured connection.
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Book Excerpt and Interview: Open Source SOA
Boris Lublinsky interviews Jeff Davis as part of a review of Davis' new book, Open Source SOA. The book covers the selection and usage of the open source products for SOA implementation. The interview poses questions about SOA as "business problem" or technical distributed system; SOAP vs. REST; WSDL, and "adherence to standards" as an evaluation criteria, among other topics.
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Refactoring Automated Functional Test Scripts with iTest2
In programming world, refactoring has become a highly frequent used word among programmers. Programmers make code more readable and design more. IDEs come with support for various refactorings. Testers who develop or maintain automated test scripts usually do not have that kind of luxury, but share the same needs. ITest2 is a tool that brings refactoring to the testing community.
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FlexMonkey brings unit testing to Flex user interface developers
This article explores how Gorilla Logic's new, open source Flex user interface automation testing tool, FlexMonkey, can enhance the productivity of both developers and QA testers. FlexMonkey allows developers to incorporate user interface testing into unit test suites and continuous integration environments, and allows QA testers to expand those tests into comprehensive quality tests.
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Project Metrics for Software Development
Software project success has always been the goal of the industry; however the metrics that helps us measure the success have been as diverse as they could be. Depending on the particular methodology that you follow the set of suggested metrics will not have anything in common. Carlos provides a set of metrics that he and his teams were able to use independent of software methodology.
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Book Review: Facilitator's Guide to Participatory Decision Making
One of the responsibilities of self-organizing teams is to take decisions that respect everyone’s opinion. This book has some great examples in coaching the team to navigate through difficult discussions so they can maintain their speed without endangering their success by suspending or ignoring critical issues.
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Orchestrating Long Running Activities with JBoss / JBPM
Orchestrating activities that extend over very long periods (hours, days, weeks) is a common design issue. Although technically BPM engines are specifically design to ideal with this issue, they do so with standalone processes with corresponding issues arising from callback mechanisms. This article we will show one of the approaches to use JBoss jBPM for solving this problem.
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Communication Flexibility Using Bindings
In this article, we will look at an important feature of SCA - its support for a wide variety of communication protocols and how to use SCA bindings on services and references to decouple your business code from communication protocols. Finally we'll take a look at the SCA domain to see how bindings operate in and outside the domain.
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Concurrency and Immutability
This article explores the issue of immutability as a function of concurrency demands in modern software applications. The discussion occurs in the general context of dependency injection.
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SOA Governance Maturity – an Architect’s View
This article presents a framework of SOA Governance processes, a maturity model, linked to the processes and a description of how architects should be involved in these processes. The authors provided some practical guidelines on how architects can lead or provide support at the various processes of the lifecycle and maturity levels.
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The Hidden Face of Agile
There are intangibles that result from adopting Agile development techniques. The hidden side of the transformation, so to speak – the changes in perceived values of interpersonal relationships, the enhanced necessity for trust, the soon-obvious need for enhancing cross-site communication inefficiencies are examined in this article.