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The ORBIT Cluster met at the GEC on Monday July 20 and Tuesday July
At the July 20 meeting Max Ott and Ray Raychaudhuri gave an
overview of the ORBIT testbed and discussed the integration of WiMax
base stations into the cluster. An initial deployment at Rutgers is
complete and baseline performance measurements have been collected.
The July 21 meeting was less structured and included dicussions of
topics and issues raised by the meeting participants.
Topics discussed at the ORBIT CF meetings include:
- ORBIT is not and does not claim to be a full-fledged control
framework. It is best viewed as a GENI aggregate. The ORBIT team
would like guidance from the GPO on which cluster they should work
with. They do not want to be developing and maintaining software
needed to talk to all other control frameworks. Integration with
the ORCA control framework is their next step.
- ORBIT OMF might be able to serve as a GENI aggregate manager.
- The ORBIT experiment controller can be used to control
experiments on PlanetLab. An ORBIT experiment can now include
PlanetLab nodes.
- There was some discussion around integration of the Clemson
testbed. This testbed includes embedded wireless platforms with
802.16 radios but not operating at WiMAX frequencies. The Clemson
testbed includes mobile nodes that can travel a high speeds on a
BMW test track.
- ORBIT OMF is being extended to handle mobility.
- Concerns specific to wireless testbed such as ORBIT: scheduling
and slicing of testbed resources so experiments don't interfere;
conforming to rules by the FCC and other similar regulatory
bodies; protecting measurement devices from badly behaved
experiments.
- Issues with using OpenFlow in a testbed where flows are not
persistent. For example, when vehicles more in and out of range
of a base station.
- ORBIT can be used to do experiments based on DTN (Disruption
Tolerant Networking) technologies since every node as processing
and storage resources.
- MIT is interested in using ORBIT for network coding
experiments. They want to push networking coding as close to the
physical layer as possible. They will work with Rutgers to
determine the feasibility of such experimentation.
Max Ott's summary of the WG meetings, presented at the Cluster Outbriefs on Wed July 22, is available here.
Submitted by Vic Thomas, GOP System Engineer
