© 2006 OpenGridForum Craig Lee, President, OGF The Larger Context for Green IT Systems OGF-25 A non-profit, federally funded R&D center

© 2007 OpenGridForum 2 Related Concepts Process Control Closed Control Loops Autonomic Computing Self-{Configuring|Healing|Optimizing|Protecting} Autonomic Control Cycle Cyber-Physical Systems NSF Workshop, varma.ece.cmu.edu/cps

© 2007 OpenGridForum 3 A Notional Reference Model Decision Support Systems Physical Environment/ System What are the derived metrics that are important and relevant? Policy Policy Representation Decision Making Planning Automatic decision systems and humans-in-the-loop Monitoring, sensors What needs to be/can be monitored Event/Measurement Semantics Metadata, provenance Reporting/collection of monitored events and measurements Effectors/Actuators Which ones are possible What are their properties/behaviors What scope of system is under consideration How does it work? Inter-related subsystems What is the workload?

© 2007 OpenGridForum 4 Goals for a Reference Model Understand the "Big Picture" Design Issues A common understanding of the entire design space It is not a goal to constrain or dictate design choices Prioritize critical requirements Identify "low-hanging fruit" Easy things to do that achieve early results Properly scope for effective, practical implementation and deployment Identify areas of commonality Evaluate strength of interest