Cooperative congestion control in power grid communication networks
Cherukuri, Naveen
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https://hdl.handle.net/2142/24124
Description
Title
Cooperative congestion control in power grid communication networks
Author(s)
Cherukuri, Naveen
Issue Date
2011-05-25T15:03:57Z
Director of Research (if dissertation) or Advisor (if thesis)
Nahrstedt, Klara
Department of Study
Computer Science
Discipline
Computer Science
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
Power Grid
Cooperative Congestion Control
North American SynchroPhasor Initiative's (NASPI)
Phasor Measurement
Unit (PMU)
Abstract
Power Grid Digital Communication networks are needed for the delivery of Phasor Measurement Unit (PMU) sensor data with real time guarantees to the control centers for timely decisions. Present day network systems are unable to ensure the real-time needs of the PMU data as they are not designed to support PMU devices. Hence, the need arises for new communication and control protocols. This thesis describes the Cooperative Congestion Control framework to ensure real-time guarantees for PMU data and to respond if transient deviations in real-time PMU network traffic occur. The framework utilizes a) NASPI aligned multiple service class queuing architecture; b) Cooperative real-time flow scheduling and Bandwidth reassignment; c) Cooperative coordination and back-pressure among neighboring nodes. It then yields real-time PMU data guarantees during transient traffic pattern changes and/or overload situations. Our experiments confirm that the framework delivers real-time performance very well under different transient scenarios.
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