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A Standard Paradigm for Building Event Processing Hierarchies

When analytics on streaming event data is used to support better business decisions, it is often helpful to organize the information into logical event abstraction hierarchies. To implement event hierarchies, developers should design and build EPAs and EPNs that perform the appropriate sequence of calculations.

Vendors and Products in the Event Stream Processing Market

We can sort modern general-purpose ESP platforms into three major categories: A. Free, community-supported open source; B. Commercial, vendor-supported “open core” products that combine proprietary value-added capabilities with an open-source core; and C. Commercial, closed-source products. We list examples of each.