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Feature Article
Why Open Source might be doomed
It has never been the goal to copy existing works line for line and make it "free" for everyone. The driving passion for most of us is to write software that works the way we want it to work. We write because we have a belief we can write it better. Commercial software is constrained by budgets and market-driven deadlines. If you read "Peopleware" by Tom DeMarco and Tom Lister you'll get an idea of the issues for developing software in a commercial environment. You'll see phrases like "quality - if time permits" and "we haven't got time to think about this job, only to do it". That is the constraint that developers have fought against.

Open source and free software (open software) development evolved from an existing mode of development - skunkworks projects. These projects were hidden away from upper management because the belief of the development team was so strong that they defied the management decision to kill the projects. These beliefs also drove us to develop these projects by even committing our own leisure time. So this stuff on open software hasn't emerged full blown and without precedent.
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Of Interest
Web Services Example
Content for web services can be easily developed, re-arranged and updated through the FlexCorp framework. Have a look at the example to see how this is achieved.
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Build, adapt, stay ahead of the game

You invest in a new system, spending time and effort in making it suit your business. But things change - the environment changes, your business changes, your competitors change. What of your business systems? Will they bend or will they break? If your systems are having more difficulty in adapting to your changing world, then your system is probably approaching its elastic limit, the point where it is unable to change any further without breaking. 
 
We have worked with e-Commerce systems and corporate systems and we've used our experience to develop a framework product that makes it easier to create flexible corporate systems quickly. We've given ownership of corporate information back to the business owners, minimising the need for programmers to add new fields for data. Our applications allow you to rapidly link and adapt your existing information systems for your unique information needs without compromise. With our flexible technology, you can quickly modify your solution as your business needs change. Get the jump on your competition and stay ahead of the game. 

Our technology is 100% Java and is built on J2EE technology. Applications from Amity run on robust, standards-based J2EE compliant application servers such as SilverStream, WebSphere AS 5.0 as well as JBoss and Tomcat. Supported hardware platforms are limited by the capability of hardware to support J2EE application servers. We've run our applications on IBM, Sun and Compaq technologies and we can operate with Oracle, DB2 and Postgresql databases. 

Amity Solutions - strong, flexible and supported by the industry's leading enterprise infrastructure. Don't play the game - get ahead of it.
 
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Extras
Need to port Postgresql scripts to DB2 or perhaps go the other way? Here's a processing utility to help with that task.
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Want to monitor IP address changes on your Unix system, if it uses DHCP or if it is the ADSL router? TZOLogin is a Java program that allows you to monitor the change and act on it through your own scripts.
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Want to test JBoss 3.2.x with ECperf 1.1? Having some problems getting it working? We had the same problem and provide you access to our code and a manual of the steps to work through. We also provide the schema scripts if you want to test against Postgresql.
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Trying to understand Linux iptables and firewalls? Or do you need to protect your Tomcat server in a production environment? Check this guide on configuring a Linux-based firewall.
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Change to phone numbers
Amity's contact phone numbers have changed. Please refer to 'Contact Us' page for updated phone details.

1st July, 2003

Parallel Java thread performance with NPTL
We've been testing the scalability of some performance modifications to JBoss 3.2.x. Whilst doing the testing we discovered what can best be described as noise in the results. Some variability is expected but the magnitude of the noise was making it difficult to determine performance effects of changes. Our investigation on parallel Java threading under Linux NPTL was surprising.
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