Feeds

WebLogic man goes full circle with SpringSource

Second wind for Java application servers

Secure remote control for conventional and virtual desktops

But so far, all these technologies were about development, not run time. That's where Eclipse Equinox comes in. Leveraging the OSGi component model that Eclipse embraced for the IDE, Equinox extends the idea to run time. Like Java, OSGi was conceived for different purposes (Java was for set-top boxes, while OSGi was the framework for provisioning services in the smart, networked home). You could consider both as fraternal twins reunited at adolescence.

Eclipse reincarnated OSGi as the dynamic service bundle, first for its IDE (where developers could swap different vendor plug-ins at will), and more recently as a new run time.

That's where Cooper-Ellis views OSGi as giving Java application servers a second wind. In place of installing the entire Java Enterprise Edition stack, OSGi lets you provision only the features you need at run time. So if you add distributed nodes, you can take the Java Message Service (JMS) plug-in if traffic spikes, hot deploy clustering support, and so on. The advantage is that if you don't need these or other bundles, you could run the server on a very tiny footprint of code, which reduces overhead and potentially makes it blazingly fast.

That was what BEA was trying to do with the micro-Service Architecture (mSA) that it announced roughly 18 months before Oracle swooped in, and how it built WebLogic Event Server, its complex event streaming engine. The product only used Java Enterprise Edition features such as managing availability, security and user management, it dispensed with much of the rest of the stack, and supported development with POJOs, which included support of the Spring framework.

Simple message

OSGi/Eclipse Equinox is part of the same return to simplicity that originally spawned POJOs and the rebel frameworks. Beyond the Java space, it's the same trend that has driven the popularity of dynamic scripting languages as a faster means to developing the relatively straightforward data-driven apps that are the mainstream of the web, and it's also the driving force behind AJAX (which is easy enough that casual developers, business analysts, or web designers can grow dangerous).

Each of these has catches and limitations but they are evidence that - for the rest of us - the 80/20 rule lives when it comes to developing for the web.

This article originally appeared in onStrategies.

Copyright (c) 2008, onStrategies.com

Tony Baer is the principal with analyst onStrategies. With 15 years in enterprise systems and manufacturing, Tony specialises in application development, data warehousing and business applications, and is the author of several books on Java and .NET.

The essential guide to IT transformation

More from The Register

next story
The Return of BSOD: Does ANYONE trust Microsoft patches?
Sysadmins, you're either fighting fires or seen as incompetents now
China hopes home-grown OS will oust Microsoft
Doesn't much like Apple or Google, either
Sin COS to tan Windows? Chinese operating system to debut in autumn – report
Development alliance working on desktop, mobe software
Linux turns 23 and Linus Torvalds celebrates as only he can
No, not with swearing, but by controlling the release cycle
Microsoft cries UNINSTALL in the wake of Blue Screens of Death™
Cache crash causes contained choloric calamity
Eat up Martha! Microsoft slings handwriting recog into OneNote on Android
Freehand input on non-Windows kit for the first time
Linux kernel devs made to finger their dongles before contributing code
Two-factor auth enabled for Kernel.org repositories
This is how I set about making a fortune with my own startup
Would you leave your well-paid job to chase your dream?
prev story

Whitepapers

Implementing global e-invoicing with guaranteed legal certainty
Explaining the role local tax compliance plays in successful supply chain management and e-business and how leading global brands are addressing this.
5 things you didn’t know about cloud backup
IT departments are embracing cloud backup, but there’s a lot you need to know before choosing a service provider. Learn all the critical things you need to know.
Why and how to choose the right cloud vendor
The benefits of cloud-based storage in your processes. Eliminate onsite, disk-based backup and archiving in favor of cloud-based data protection.
Top 8 considerations to enable and simplify mobility
In this whitepaper learn how to successfully add mobile capabilities simply and cost effectively.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?