InfoQ Homepage Infrastructure Content on InfoQ
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Building FlightCaster's Frontends for the Web and Smartphones
In part two of InfoQ's interview with the FlightCaster team, we discuss scaling Rails on Heroku, the problems of integrating data from multiple providers and mobile smartphone applications.
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Getting started with AMQP and RabbitMQ
Joern Barthel introduces the Advanced Message Queuing Protocol (AMQP), and illustrates it's useage with Ruby-based client and an EDA-style app. The open source RabbitMQ server is used on the backend (which is written in Erlang).
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Book Review: Understanding SCA
Four years after the publication of the first SCA specification draft, SCA remains a technology that is not well known or understood. Yet IBM and Oracle have built key product suites with it.Jim Marino and Michael Rowley, both co-authors of the SCA specifications, have published a practical guide to get started with SCA which covers the entire programming model from persistence to presentation.
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Patterns from SOA Design Patterns by Thomas Erl, Part 1
In this article we present 3 Inventory Governance Patterns from chapter 10 of the book SOA Design Patterns by Thomas Erl: Canonical Expression, Metadata Centralization, and Canonical Versioning. They are part of an 85 patterns catalog that serves enterprise architects and developers to find and build strong SOA solutions based on tested and proven SOA practices.
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Creating Highly-Scalable Components in Java
This article presents a library supporting the development of highly-scalable applications that take advantage of an underlying multi-core hardware. The library is part of the Amino Library Project. One example: ensure scalability of applications by using , java.util.concurrent.ConcurrentHashMap to replace a synchronized HashTable.
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Orchestrating RESTful Services With Mule ESB And Groovy
In this article, David Dossot, co-author of Mule in Action, examines the power of Mule RESTpack and Groovy in orchestrating RESTful services in the Mule messaging platform. The article detail the interactions for each of these steps and will consider what particular Mule moving parts and Groovy features we have used to achieve such an interaction.
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RESTful HTTP in practice
Gregor Roth overviews the basics of RESTful HTTP and discusses typical issues that developers face when they design RESTful HTTP applications, showing how to apply the REST architecture style in practice. Gregor describes commonly used approaches to name URIs, discusses how to interact with resources through the Uniform interface, when to use PUT or POST and how to support non-CRUD operations.
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Book Review: Ladder to SOE
A review of Michael Poulin's book, Ladder to SOE. Michael's book shows how to use the principles of service orientation to align IT with the business, and the business with market dynamics - creating the Service Oriented Enterprise. Becoming an SOE requires new habits of service-oriented thinking and Michael points these out along with techniques for effectively using them.
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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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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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Kernel Comparison of Three Widely Used OS
This article briefly examines and compares the kernels of the three most widely used quasi-Unix operating systems using three axes of comparison: efficiency, evolvement, and user friendliness. The operating systems compared (kernel only) are: OpenSolaris, Windows Vista, and Linux 2.6.
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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.