Friday, December 15, 2006

Resource Oriented Architecture and Vendors

Suppose we get to the point where Resource Oriented Architecture (ROA) becomes prominent and gains wide adoption. Given the ubiquity, pervasiveness and popularity of the web, it is not a far fetched proposition. After all, the native web is strictly resource-based, and a Resource Oriented Architecture that utilizes that orientation seems like a perfectly natural fit.

Now, if this re-orientation happens, what will the vendors do?

Vendor Business Model

Software vendors are in the business of making profit from selling software based solutions. Traditionally, the most efficient solution, from the vendors' profitability point of view, tends to come in the form of a tool. This is why we tend to call these vendors 'tool vendors'.

Because of this orientation, vendors tend to favor system architectures that are complex, convoluted, difficult to fathom and master. Of course, anything can be quite easily made more complicated than it already is. In other words, it is quite easy to muddle the issue, to add complexity, to increase brittleness. You don't have to be very smart of very competent in order to make things more complicated.

As a matter if fact, complicated situations are always a surefire sign of stupidity. If, on the other hand, you find systems that work but are nevertheless very simple and easy to navigate, that invariably means that someone quite intelligent has devised such a solution.

But, since an easy to understand, easy to navigate and use system is non-profitable from the vendors' point of view (i.e. such systems do not require 'tools' in order to be utilized), vendors do not see any value in playing along with them. Vendors prefer murky, complicated architectures. Getting you involved with such ungodly systems and architectures is a very lucrative proposition for the vendors, because then they have a very good justification to approach you and to start selling you their tools.

Do We Need Tools?

Take a practitioner of a well established profession, such as a lawyer, or a mathematician. These professionals deal with extremely elaborate, intricate systems and bodies of knowledge. They are expected to navigate very sophisticated waters of highly formalized systems.

But what kind of tools do they need in order to do their jobs? In reality, very few. For a lawyer may need nothing more than a typewriter, and a mathematician actually needs even less tools -- a paper and a pen will do just fine.

How come? It's simple -- their job is largely conceptual by nature.

Now, the question is: how is that different from software development? Why do we think that software development is not conceptual by nature, in ways similar to mathematical development?

The thing is, software development is not different in any significant ways from mathematical, or legal developments. They are all largely conceptual activities.

And realistically speaking, all these conceptual activities don't need many specialized tools. It is a great fallacy, perpetrated on us by the tool vendors with their business agendas, that software development needs an elaborate set of tools.

Choose the Right Foundation

And since we are dealing with a fairly conceptual activity when developing software, it is of crucial importance that we select the right foundation, the right philosophy, and the right paradigm from where we can operate successfully.

Choosing the right starting point will ensure that we don't get entangled in the morass of complexity, brittleness, analysis paralysis and the like. Otherwise, it would be devilishly easy to slip and end up in the blind alley.

If we now review the philosophy and the paradigms that the tool vendors are offering us, we see that they prefer to side with complexity, heavy lifting and hard work. The vendors are proposing we adopt systems that are architected for ever growing complexity. Theirs is the business model of introducing a big hairy problem, and then selling the solutions that would be pain killers.

So what's the alternative? We propose that instead of aiming at acquiring pain killers from the vendors, we focus our efforts on acquiring vitamins.

And in our vision, vitamins would be the publicly vetted standards upon which the web, as a universal computing platform, is built. The web offers us simple, extensible, scalable, interoperable and linkable architecture. As such, it is very beneficial to us in the sense that it does not introduce the pain of complexity which then needs to be handled with pain killers.

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