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Dynamic Networks: Architectures and Algorithms

Raghupathy Sivakumar
ECE Faculty Candidate
Thursday, March 9, 2000
10:30 a.m.
HH 1112
Abstract

As the Internet continues its accelerated growth, researchers are
envisioning future Internet systems with hundreds and thousands of
embedded devices networked together in what are called "smart-spaces" or
"deeply-networked systems". The devices communicate with each other
through wireless links and form adverse and mobile user base that
necessitates the design of highly adaptive architectures and algorithms
for the future Internet.

The smart spaces are envisaged to be highly dynamic, infrastructureless,
resource constrained, and communication intensive environments besides
being composed of a diverse set of users. I foresee that adaptive
network architectures for such target environments will consist of two
critical components:

(i) user level customizability deep in the network, to support a diverse
set of users and to optimize resource usage, and 

(ii) a virtual infrastructure overlaying the underlying network,
performing network management functionalities and facilitating
instantiation of user level customizability.

In this talk, I will focus on the above two components of an adaptive
network architecture. The components include: 

(i) Protean, a programmable architecture for network routers that
enables network routers to be configured and programmed, on the fly and
in a scalable fashion, and 

(ii) CEDAR, an adaptive network  management architecture that supports a
self-configuring infrastructure in dynamic environments. The specific
instantiation of theadaptive network architecture described will be in
the context of a special class of wireless networks called ad hoc
networks. 

Short Bio of Raghupathy Sivakumar:

Raghupathy Sivakumar received his Bachelor of Engineering degree in
Computer Science from Anna University (India) in 1996, and his Master of
Science degree in Computer Science from the University of Illinois,
Urbana-Champaign in 1998. He is currently a Ph.D. candidate in the
Computer Science department at the University of Illinois. His research
interests are broadly in the area of computer networks and  specifically
in the areas of wireless networks, programmable networks  and network
quality of service. He has received the College of Engineering Mavis
Memorial award scholarship for outstanding research and teaching for the
year 1998-99, and the Kuck award for the best master's thesis of the
year 1997-98 from the Computer Science department, both at the
University of Illinois, Urbana-Champaign.