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A. Udaya Shankar
Email: shankar@cs.umd.edu
Current Position: Professor of Computer Science
Joint Appointment: UMIACS
Academic Degree: Ph.D., University of Texas at Austin, 1982
Courses
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CMSC 414 Computer and Network Security:
Fall 2008,
Fall 2007,
Fall 2006,
Spring 2006.
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CMSC 412 Operating Systems:
Fall 98,
Spring 99.
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CMSC 417 Computer Networks:
Spring 2005,
Spring 2004,
Fall 2002,
Fall 2001,
Fall 99,
Fall 97.
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CMSC 711 Computer Networks:
Spring 98,
Spring 97.
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CMSC 712 Distributed Algorithms and Verification:
Fall 2005,
Fall 2004,
Fall 2003,
Spring 2003,
Fall 2000,
Fall 96.
Research Interests
The design and analysis of distributed systems and network protocols, from
both correctness and performance aspects. My current work is on:
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Assertional methods for concurrent/realtime systems, particularly layered
systems as found in operating systems and networking.
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TSS (Time-step simulation): a diffusion-based method to simulate
general queueing networks with state-dependent delayed feedback
(e.g., TCP/IP networks).
Provides the accuracy of packet-level simulation
at a cost several orders cheaper than simulation.
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Wireless networking: analysis, fast simulation,
interaction of physical, MAC, and application layers.
Earlier work includes
Z-iteration
(fast computation of evolution of ensemble metrics for M(t)/M(t)/. networks),
minimal latency transport protocols, scalable ToS/policy
routing, MaRS
routing testbed , link-state vs distance-vector routing.