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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.

Peter Lubbers
on Mar 16, 2010
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.

Dilip Krishnan
on Mar 09, 2010
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.

Dennis Byrne
on Mar 08, 2010
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.

Michael Poulin
on Mar 02, 2010
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.

Dilip Krishnan
on Feb 25, 2010
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.

Nathan A. Good
on Feb 23, 2010
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.

Gil Luria Orit Hazzan Tali Seger
on Feb 18, 2010
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.

Steve Jones
on Feb 16, 2010
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.

Robert Bazinet
on Feb 16, 2010
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.

Rossen Stoyanchev
on Feb 10, 2010
Architecture & Design

Are You a Software Architect?

The line between development and architecture is tricky. Some say it's fake, that architecture is an extension of the design process undertaken by developers; others say it's a chasm that can only be crossed by lofty developers who believe you must abstract your abstractions and not worry about implementation details. There's a balance in the middle, but how do you move from one to the other?

Simon Brown
on Feb 09, 2010
Agile – A Way of Life and Pragmatic Use of Authority

Vinay Aggarwal shares many instances in life where authority is needed and lack of authority allows for extremely costly mistakes. He then explicitly suggests where authority could and should be used in Agile environments.

Vinay Aggarwal
on Feb 08, 2010

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