I prefer to study the theory of foreign countries, this is one of them: Principles of the business rule approach
1 Business Analyst: Key role of solution development is business analyst. Business analysts are definitely not traditional IT system designers, and IT system designers are more interested in completing coding, rather than designating a complete business solution or do a lot of planning.
2 Rule Category: Refused rules Generate Rule MUST Projection Rules Extended and Guide Recommendation SHOULD Trigger Features Exception Processing
3 The cost of the rules (including exceptional processing), is not simple to implement costs and maintenance costs in its business system. Real costs are often hidden in related documentation, training, management, and time, which is spent in rules and modifications.
4 Writing rules are not the protocol
