|By Jeremy Geelan||
|December 3, 2005 03:00 AM EST||
Successful enterprises and successful business leaders often have two characteristics in common: focus and simplicity. In Adam Kolawa's case - CEO, chairman, and a cofounder of Parasoft 15 years ago - the simplicity manifests itself the moment you meet him. Here is a chief executive who knows how to prioritize.
Priority number one, as far as Kolawa is concerned, has always been verification. The alpha and omega of the Parasoft approach is that software cannot be said to work until it is verified - this includes Web services.
"This is something that I learned long ago," Kolawa explains, "and it's a major problem within the software industry. Companies build and develop software, hope that it works, but do not go to the necessary lengths to verify that the software actually performs and functions as it should.
This type of thinking, according to Kolawa, is especially detrimental to the development of Web services.
"Web services are complex systems that attempt to marry software, hardware, new code, legacy code, existing systems, systems in development, and who-knows-what on the client side," he says. "There are countless opportunities for things to go wrong - a slight mistake in any component or interface will cause problems that ripple throughout the system."
Kolawa accordingly believes that, as the Web services paradigm grows, managers above all need tools that will allow them to test their Web service initiatives for security, interoperability, and scalability. His own company, Parasoft, has pioneered a methodology known as "Automated Error Prevention," or AEP, which he believes is the answer to this problem.
What Has Java Done Right?
We will return to AEP later, but now I'm anxious to explore Kolawa's thoughts on the state of Java - the language, the platform, and the community. What, I wonder, does he think Java has done right...and what not? Is there anything in Java's history that he wished had turned out differently?
"I think the one thing that Java did right was its portability," Kolawa replies. "It always compiles and the code is portable at the compilation level. That's the great thing about Java and is what made it so powerful today.
"The single thing that I would like to change about Java's history is its separation from Microsoft. I think it is a shame that the technologies from both sides cannot be used together. Java seemed to be the perfect technology to bring Microsoft into the world of coexistence, and I think this opportunity got lost."
What, then, does Kolawa think the future holds in store for Java?
"I would be sure not to allow further expansion or complication of Java," he says immediately. "In order for it to stay successful, it needs to stay simple.
"If we start adding new features and syntaxes," Kolawa continues, "it will die. The main reason why Java came into use was because C++ was too complicated. So it would be wise not to expand the features or make it more complicated than it is."
What about J2EE, then? Is the latest generation of development tools easing the pain, or does he side with those in the Java community who say that J2EE is too unwieldy and complicated?
"The last generation of development tools did ease the pain somewhat, as they can automate some tedious tasks," explains Kolawa. "Something else that made development a bit easier is the appearance of the J2EE patterns. There are multiple ways of solving the same problem in J2EE, and that's where patterns are useful and where they can help a lot.
"Nevertheless, users need to also learn to identify and apply these patterns. And that's the basic problem with J2EE - it is still too complicated, just the specification is huge. There is a lot to learn before users can start writing any code. Development tools and patterns do help to a certain extent, but they can only do so much. Therefore, a complete knowledge and understanding of J2EE concepts would ease the pain more than any tool.
"Also, when things go wrong with the program it is quite difficult to find out what happened and to make things work correctly in multiple application servers."
What about Java on the desktop? Has Java lost the desktop battle to the likes of Flash and .NET?
"Yes, I think Java has lost the battle because of three major problems," Kolawa observes. "The first problem is that the Java Virtual Machine isn't being distributed with desktops, and to make an application reliable, you have to bundle it with the Java Virtual Machine. However, this creates the dilemma of large downloads," he adds.
"The second problem is that applications written in Java simply do not look as nice as those written in Flash or .NET. And finally, Java is slow on the desktop. Although this doesn't matter for servers, it is obvious that Java's speed hurts it on the desktop."
And does the JCP work? Is the principle sound or flawed?
"Well, every structured committee has its benefits and advantages depending on how well it is organized. In my opinion, the JCP can be successful if the right people are involved and there is strong leadership. However, if the decision makers of the JCP are interested only in manipulating it to their advantage, then obviously the JCP will be less successful due to poor leadership," Kolawa replies prudently.
Next we play a brief game. We imagine for a moment I have some serious money to invest in a Java startup company. What type of company would he advise me to put my hard-earned dollars into? What's going to be big in the next 18 months?
"First of all," Kolawa says, candidly, "I would advise you to not invest in a Java startup company!
"There are already big players in this market," he adds, "and more and more are coming into the picture. It's going to be more crowded and difficult for a new startup to break through and be successful."
And even if it were his own money, no difference? He'd still look outside of Java?
"Under no circumstances would I invest in a Java startup company. If I do invest any money, I'll be sure to invest it in another type of company."
Web Services - What's the Downside?
Next we take a critical look at the Web services paradigm. Does Kolawa believe the view that it's really the philosopher's stone, the answer to all of an enterprise's integration problems? What are the consequences of the trend in enterprises to build fewer and fewer pure new applications and instead repurpose what they already have? Is it a poisoned chalice, I ask him - condemning us forever to be seeking the Holy Grail of integration?
"No, I don't think we will be condemned to search for any sort of Holy Grail," Kolawa replies. "I think that building fewer and fewer pure new applications is good in any industry that is trying to mature.
"Web services help us connect existing applications that are already running well," he adds. "This saves companies time and allows them to free up other resources to build and develop things that are needed at a more immediate time.
"Normally, organizations are so overwhelmed with things that technologies like Web services allow them to move forward, not backward. The more businesses develop from preconfigured parts the better. Just because developers repurpose and build from what they already have doesn't necessarily mean that new technologies will cease.
"Developers will always be developing new applications for new purposes," he says with characteristic optimism, "and there are constantly new ways in which we can pour human intelligence into computers."
In return for such straight talking, it seems only fair to ask Kolawa about the subject of Parasoft, and about his vision of Automated Error Prevention software solutions that can help companies eliminate errors in software development throughout the world.
How would he define what inevitably is now called "AEP"?
"Put simply, AEP is the common-sense approach to controlling errors in software, and verifying that software performs and functions as intended," Kolawa replies. "As companies and consumers rely more on Web services, the importance of quality and reliability will continue to increase, thereby increasing the importance of Web services verification - including the verification of security, interoperability, and scalability."
Knowing that SOAPtest 2.5 is something Parasoft has just launched, I ask Kolawa whether there is a competitor to SOAPtest 2.5 - and if not, why not?
"While there are other Web services testing tools on the market, none of them are close to being a competitor to SOAPtest 2.5," he says. "As a part of Parasoft's AEP methodology, SOAPtest is the most comprehensive tool for Web services, allowing users to verify all aspects of a Web service, from WSDL validation, to unit and functional testing of the client and server, to performance testing."
It is SOAPtest's "flexible nature," according to Kolawa, that makes it an ideal choice for development engineers and QA professionals alike.
"As an important part of Parasoft's AEP methodology," he explains, "SOAPtest provides extended benefits when used in a team environment."
The Parasoft claim then is that it's the only Web services tool that supports an enterprise's entire Web services development team?
"Precisely. It's fully configurable for use throughout your Web services development group, allowing the exchange of development and test information between individuals and groups."
SOAPtest also provides individual and project-level reporting for easy test- result distribution among group members, Kolawa continues.
"In addition," he adds, "SOAPtest can also be used in conjunction with other Parasoft tools to build a system-wide verification process."
I ask for an example. "DataRecon can be used to verify the many problems related to SQL injections in Web services," Kolawa says. "Also, JTest and .Test can be used to test and verify Java and .NET implementations of Web services. Using SOAPtest by itself, or with other Parasoft tools, users can be certain that their Web services are fully functional from conception to deployment."
So Parasoft not only provides the tools, he notes, but also the methodology necessary to achieve superior development of Web services.
'SOA Will Succeed'
What about Kolawa's take on service-oriented architecture - is SOA just the new buzzword du jour, or does it have substance?
He answers without hesitation. "I think that service-oriented architecture is going to move forward and be successful," he says quite firmly. "There definitely is substance behind SOAs and this can be seen in the development in Web services such as e-Bay and Google, for example.
"These companies are starting to expose their APIs so consumers can take advantage of these available services. It's like I just said, companies like this are building from preconfigured systems, but Web services still allow for new opportunities. People are connecting their inventories to e-Bay and selling more products through this. Opportunities like this were never thought of, and now they are possible because of SOA."
Last, it wouldn't be right to pass up on the opportunity to ask Kolawa what he thinks the overall effect on Java will be of the compelling economics of Linux.
"Java has helped Linux so much because Linux is such a good engine to run Java middleware," Kolawa explains. "Linux and Java go perfectly hand-in-hand. If it weren't for Linux, Java wouldn't be as successful as it is, and if not for Java, Linux wouldn't be as successful either. It's a perfect partnership."
In Kolawa's view the hearts of enterprise systems will continue to be built on these technologies because they are relatively inexpensive.
"Java already has large amounts of already-written legacy code and has an extensive library," he says, "and Linux has proven to be very secure. In my opinion, I think these two technologies will dominate the middleware market, and I don't think there's room for .NET to break in."
Does he think open source is The Big Next Thing for the computing world?
"Yes and no," Kolawa answers carefully.
"Some things, like operating systems, should no longer be proprietary," he continues. "It's an old technology and it's well known how they are built.
"But somebody has to pay for innovation, so we will have a mix of proprietary and open source products. New software must be built by companies, and that will continue to be sold proprietarily. But after a while, some things become too obvious and they will move into the public domain."
Kolawa ends, as he began, with a simple point - though not everyone will necessarily agree with him (Darl McBride for one!).
"Software is like classical music," he says. "For instance, when a composer writes his music, it belongs to him in the beginning stages. But after years and years of playing this music for audiences, the song becomes familiar, and it becomes public property where anyone can play it."
I can't help wondering what the litigious SCO Group would have to say to that!
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