Information Integration Patterns
By SD Times News Team
January 1, 2008 —
(Page 1 of 3)
I’ve been thinking about the patterns of information integration that we see these days, as related to SOA, in products as well as in custom solutions: information- or service-oriented. I’ve also been thinking about levels that make up these stacks, from the most primitive to the most sophisticated.
Keep in mind, there are differences between information/data integration, as related to SOA, and transactional or behavior integration, as related to SOA. Information integration…is…well…information integration, or, the structured movement of information between one or more systems. Transitional/behavior integration is the abstraction of functions between two or more systems. If this is as clear as mud, you’re right. There are always overlaps and exceptions, but it’s a good idea to consider both approaches since the technology you select, as well as the solution patterns, are a bit different.
Not that these kinds of reference models provide a huge advantage, but they do provide a checklist of sorts that allows you to better understand what you may need when building your SOA, and a good framework of understanding for the enterprise.
Considering that preface, I’ve come up with nine levels of integration that seem to cover the patterns I’m seeing as enterprises are building SOA. Here they are:
• Level 0 Simple information flow and management, no transformation and routing. This just means information is flowing from one side to the other. In essence, this is a simple pipe where data flows from point A to point B.
• Level 1 Simple information transformation, but no logical operators for routing or message processing. This means just transforming one schema to another, without the ability to leverage logical operators such as “if,” “then,” “else,” etc. In essence, no logic, just a changing of the data.
• Level 2 Simple transformation and routing, with logical operators (e.g., If this, do this, etc.). You get the idea. We now can peek into messages and make calls based upon content, lookup or even externals such as time and date.
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