October 2005 Archives

Let confusion reign

The Enterprise Service Bus (ESB) debacle is a prevailing sign of the integration industry's utter disorganization and confusion. Customers & vendors do not seem to know or agree upon what they wants in the integration space -- only that it involves some magical mixture of reliable messaging middleware, business process orchestration, and XML-aware routing and data transformation. So, no one really can agree on what an ESB is, other than it's some sort of bundle of features that might be implemented by one or more products and tied together in an "architecture" (whatever that is).

Despite this frustration, I tend to think it might be a good thing (in the long run). Indecision and acrimony is usually is an indication that something is important. How many things that are important in life are nearly impossible to define in an agreed upon manner? What I would like to address today are the arguments against the ESB, and also the caveats to consider when adopting one. Buzzword bingo follows; please try not to cry (much). Also, I come from a biased background (BEA consulting), but that doesn't mean what I'm saying has anything to do with BEA's agenda, it's just my interpretation of the market.

The ESB opponents seem to have three arguments, not always held simultaneously:

a. ESB is not a product, it's a pattern (aka. I can do that stuff today with [insert favorite tool here] )
b. ESB is proprietary, web standards only should be used (aka. the "fabric" approach).
c. ESB is unnecessary, as is all of SOAP and WS-*, we all should be using REST-style XML+HTTP+SSL.

IN short, my answers are:
a. FUD.
b. Standards are absolutely necessary but can sometimes be overrated, or solidified too quickly, before the industry knows what it's doing.
c. B.S.

The Web 2.0 programmer hype

I've noticed a trend lately as part of the Web 2.0 hype. Programmers are latching on to this movement and trying to project it into their world, suggesting that the "programmer experience" should also change drastically. I thought Web 2.0 was supposedly more about user experience and collaborative agility than the substance behind how you build the stuff, but hey, people want their shot at glory I guess.

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