Why Internet-Delivered Services Are the Key Value for Most SOAs
By David S. Linthicum
April 1, 2008 —
(Page 1 of 2)
We’re all aware of the Web 2.0, and most of us even know what the hell it is. I mean, is it MySpace, Facebook, blogs, Ajax or something else? Not sure I really care about emerging buzzwords, but I do know that the programmable assets out there are beginning to have some real value, both with and beyond the notion of mashups.
The issue is that once you build a SOA, and can manage, consume and produce services, now what? We can mix and match enterprise services into solutions, yet there is a diminished value there because we have to build and maintain those services, and the costs are high. However, if you learn to leverage services that you did not build, maintain or host, there is a huge upside to SOA and an opportunity for exponential ROI. What’s needed is the value of the Internet Delivered Service (IDS) mashed together with internal assets, as needed, when needed, and at a fraction of the cost if you had to build them yourself.
IDSes, and those who provide them, have had slow growth over the last several years, but they are looking to explode in 2008 and 2009 as the power of mashups becomes more commonplace within traditional enterprises and as SOA efforts continue to expand. Indeed, just as SaaS has grown rapidly over the last several years, so will the use of IDSes. The notion of leveraging core services you neither own nor host won’t be that farfetched for the traditional enterprises out there.
The concept is pretty simple, perhaps even nostalgic. As we build applications, there are obviously parts of these applications that already exist. For instance, in a tax management application, somebody has already created services for tax rate calculations. In essence, we’re looking elsewhere for pre-built component parts, in this case services, that we can reuse.
The core issue is that developers have a “not invented here” attitude, and typically don’t like to leverage local code libraries or native APIs written by people they don’t know living on servers they can’t hug. You know who you are. However, just as mashups have focused on the whole 1 + 1 = 3 thing, we’re able to take the same value notion into the enterprise as we learn to leverage IDS either from our full blown SOAs or from simple applications that can see remote services.
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