RPA mission is automation of processes. BPM focus is on process modeling and management. If RPA is done without BPM, it implies unmanaged processes. Unmanaged processes are especially dangerous when they are robotic processes bare of any human control and supervision. Implementing RPA without BPM is direct way to erasing control in an organization.
On another hand, RPA is an ideal environment for implementation of BPM initiatives. It allows for a quick practical structuring of processes in an organization through easy universal scripting of traditional human-centric interfaces. This implicitly initiates a convenient library of business objects suitable for further modeling, modernization and optimization.
In this way, RPA de-facto delivers company-wide process mapping as an essential but often disregarded side effect of its usage. Skillful attention to this aggregated formalization through a prism of BPM allows to integrate legacy processes and IT infrastructure of a company on a modern level of business standards and process control.
There always exists a discrepancy between a model of business process, however well designed and accurate, and real execution of this process in a business environment. The reason for this gap is an unforeseen depth and hidden details inherent to any real process. Real business model of organization is ultimately unlimited in its depth. Going from highest management levels, it descends to individual departments, client relations, production units, technical code of equipment and controllers etc. In vast majority of cases, it is impossible and senseless to build a complete model covering all and every fine detail of the business. Omitted lower layers of the model create (pseudo) random fluctuations during execution of the model. Real execution paths of a process never follow its model exactly. However, in case of the correct model, we can expect to see that an ensemble of execution paths statistically converges to the model as to its average path over a significant set of observation...
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