InfoQ Homepage Articles
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A Discussion with Allard Buijze on CQRS with the Axon framework
The Axon framework is a Java implementation of the Command and Query Responsibility Segregation. InfoQ talked with its creator, Allard Buijze, to find out more.
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Authorizing Process Access and Execution with JBoss jBPM
Centralized BPM deployments can greatly benefit from the ability to control access to process definitions and instances ensuring that users can use and monitor only a set of processes that they are authorized for. In this article Boris Lublinsky shows how to extend JBoss jBPM to define and support process access authorization.
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How HTML5 Web Sockets Interact With Proxy Servers
Peter Lubbers makes an introduction to HTML5 Web Sockets explaining how they interact with proxy servers, and what proxy configuration or updates are needed for the Web Sockets traffic to go through.
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SOA Manifesto - 4 Months After
It is four months since the SOA manifesto was announced; InfoQ interviewed the original author’s and in some cases pulled in their comments on the manifesto from the web to get a broad understanding of the manifesto, as well as provide insight into the goals of the participants, individually and as a whole, and provide transparency to the mechanics involved in putting together such an initiative.
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Memory Barriers and JVM Concurrency
Memory barriers, or fences, are a set of processor instructions used to apply ordering limitations on memory operations. This article explains the impact memory barriers have on the determinism of multi-threaded programs. We'll look at how memory barriers relate to JVM concurrency constructs such as volatile, synchronized and atomic conditionals.
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SOA Strategy and Spline Tactics
In this article, Michael Poulin discusses agility-to-market changes that IT can gain using a strategy oriented onto the services. Using concepts of service-orientation as the major construct of the technical product portfolio, accompanied by a techniques he calls Spline Tactics, he examines how businesses can achieve strategic agility.
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Book Excerpt and Interview: Cloud Computing and SOA Convergence in Your Enterprise: A Step-by-Step Guide
A new book by David Linthicum, Cloud Computing and SOA Convergence in Your Enterprise: A Step-by-Step Guide, describes how to get the enterprise ready for cloud computing by carefully modeling enterprise data, information services and processes in a service oriented manner to make the transition to providing and consuming cloud services easier.
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BlazeDS and JMS for PHP Developers, Part 2
In the second and final of our articles on BlazeDS and JMS, InfoQ looks at two additional methods for sending messages to JMS topics or queues from PHP - the PHP/Java Bridge which provides a framework for calling Java classes from PHP scripts using a simple Java façade, and the STOMP protocol.
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How Did the Originators of the Agile Manifesto Turn from Technology Leaders to Leaders of a Cultural Change?
Based on in-depth interviews with twelve of the seventeen originators of the Agile Manifesto, we describe how technology-driven forces led to the cultural change introduced by the agile approach. This message implies what human aspects and methods, practices and tools should be emphasized in adoption processes of agile software development.
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Business SOA Governance
Business SOA governance is about the long term transformation of IT to align with the business. This means establishing a clear business architecture and then creating a business SOA governance group who will ensure that vision is followed. This is a powerful group and needs to act in the same way as a judiciary. Their role is not to undertake the work but to enforce the boundaries and rules.
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Scout - Extensible Server and Application Monitoring
Scout is an extensible server and application monitoring service which focuses upon ease of installation and configuration. Scout offers default alerts to help administrators understand how the application is behaving under various loads as well as allowing developers to create plugins to extend Scout.
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A Comparison of Spring MVC and JAX-RS
SpringSource's Rossen Stoyanchev introduces the Spring MVC REST features available in Spring 3 and relates them to JAX-RS, highlighting the similarities and differences between the two programming models.