Sunday, September 2, 2012

Bank Analyzer Complexity, Business Content, Audit, Regulation and Flexibility.

Dear friends,
Some days ago I was discussing with a colleague about the difficulty of implementing SAP Banking, and Bank Analyzer in particular.
According to him, and I would say it's a common view on the market, Bank Analyzer is too complex and customers prefer other solutions "more flexible" than SAP.
Before discussing if that view is correct or not, maybe we should discuss first what does flexible mean.
Let's look at the Business Content of Bank Analyzer for AFI (it's just an example but it could be valid for other modules). Under the customizing layers of the BA Business Content, we have the standard calculations for valuation of Financial Instruments encapsulated in function modules or badis. Most of the common "Business Transactions" can be evaluated with the standard business content, but for some particular Business Transactions we have to enhance the calculation capabilities of Bank Analyzer.
It's true that enhance the business content with the necessary Calculation Procedures, Steps, Item Types, etc is not an easy task, but I honestly think it's a necessary one.
By following the structure of the Business Content, we have several advantages. Amongst others we have the possibility of reusing and documenting the elements of the calculation in an structure which let us identify easily what's standard and what's new, limiting the modification to what's strictly necessary and supporting the necessary tasks of auditing. With the new legal requirements for controlling the way in which risk is managed and valuations are done in Banks, making the systems auditable is an important asset, and the Business Content is an excellent tool for supporting a detailed audit of the system.
But, even if the implementation project resources are so limited that we cannot afford to enhance the Business Content, we can use "external" systems (including ABAP developments) for making the valuation and incorporate it to the standard calculations of Bank Analyzer by feeding the Results Data Layer with those data, before we transfer the results to the Analytics Layer.
Obviously, by following this scenario we lose most of Bank Analyzer advantages, but then, complexity and lack of resources shouldn't be an excuse, and we still keep a strong and auditable system for most of the Bank products covered by the standard Business Content. As new releases of Bank Analyzer Business Content will cover new requirements, we'll be able of replacing the external calculations by the standard ones.

What do you think?
Kind Regards.

Ferran.

2 comments:

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Md. Anwar Hossain said...

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