GIMS Update - GEC 10 Charles Thomas Paul Barford, Joel Sommers, Mark Crovella, Mike Blodgett University of Wisconsin - Madison

What is GIMS? GENI Instrumentation and Measurement Systems High-speed packet capture system integrated with ProtoGENI. Infrastructure could be modified to support other types of instrumentation.

GIMS Architecture ProtoGENI Test Scripts –Allow us to control the capture system. GIMS Backend –Coordinates communication. MySQL Database Capture –Daemon & hardware Web-based GUI –Project documents, links, experiment results and monitoring

Leveraging the RCM Integration with ProtoGENI via modifications to the RCM. –Calls to our backend system. –Extensive logging. Tried to keep disruptions to a minimum. GIMS system results passed through to ProtoGENI command-line via extension of ProtoGENI response objects. Modified Rspec to pass params we needed.

Current Functionality CreateSliver –Create new experiment –Load config into device –Start capture StopSliver –Pause capture StartSliver –Restart capture after pause DeleteSlice –Shutdown capture activities and cleanup. SliverStatus –Return information about experiment

Capture-side modifications since GEC9 Introduced statistics gathering capability for user display and experiment monitoring. Introduced new XML/RPC call for explicitly testing experiment storage. Added significant exception handling capabilities to storage controller daemon. Test suite significantly expanded for regression testing on all back-end storage components. Expanded capture metadata to match evolving GENI standards.

Infrastructure Have deployed two sensors, which can be manually switched to monitor an experiment on the Schooner testbed (Madison), or either of the two external links (Kansas City and Chicago).

We will be giving a demo tonight!