US Patent 7437596 Self-healing control network for building automation systems

In building automation architectures, components may be associated through physical communications paths and at a different level through building automation applications. Building automation applications implement control processes for a building function. Due to changing needs, such as a failure of a physical communications path or the addition or removal of components, the building automation application may be more appropriately performed in a different device. By dynamically positioning or determining a processor for implementing a building automation application, an architecture or network may more optimally control building functions, such as by requiring less user input, more rapid response and/or avoiding building function failures.