Networking Education and Research

at CSE Department

Anish Arora

Steve Lai

David Lee

Mike Liu

Ness Shroff

Prasun Sinha

Dong Xuan

CSE Department

September 2007

Testing & Verification:Protocol engineering

Speed:Router/Switch architectures

Changes:Ad hoc, wireless, mobile, sensor

networks, scalable, Instant Messaging

Quality:Any time, any where, any device, any type of information

Grand Challenges Remain…

Dependability: Self-configuring, self-healing, self-securing

Testing and Verification:Lee, Liu

Change:

Arora, Lai, Ness, Sinha, Xuan

Speed: Lee

Quality:

Xuan

…And We Are Working On Them

Dependability, Security:

Arora, Xuan

Graduate Education

• Courses CSE 677: Introduction to Computer Networking

CSE 678: Internetworking

CSE 679: Introduction to Multimedia Networking

CSE 694: Network Security

CSE 752: Simulation Modeling Analysis

CSE 777: Telecommunication Networks

CSE 788: Research Seminar on

o Protocol Engineering

o Wireless Algorithms

o Network Security

o Dependable Distributed and Networked Systems

o Advanced Topics in Network Architecture, QoS and Security

Graduate Students in Academia

Hongwei Zhang (2006) Wayne State Santosh Kumar (2006) University of Memphis Min-Te Sun (2002), Auburn Bill Leal (2001), Ohio University Jun Xu (2000), Georgia Tech Sonia Fahmy (1999), Purdue Gaohong Cao (1999), Penn State Sandeep Kulkarni (1999), Michigan State D. Manivannan (1997), University of Kentucky Shiv Kalyanaraman (1996), RPI Ravi Prakash (1996), University of Texas, Dallas Frank Adelstein (1995), Cornell Golden Richard (1995), University of New Orleans Yu-Chee Tseng (1995), National Tsing-Tao University, Taiwan

Research Sponsors

NSF

$4+ millioncurrent funding

Dependable Distributed & Networked

Systems Lab

• Led by Anish Arora: http://www.cse.ohio-state.edu/~anish/

• Central Goal 99% users (including devices and businesses) should be able to

communicate securely and reliably 99% of the time requires scalable end-to-end dependability, which is still lacking

• Focus Embedded sensor networks Internet-based distributed systems

• Approach Self-stabilization Model-based control of systems (using formal methods) Scalable network services

DDNS Lab

• Impact Sensor network based classification and tracking of persons,

persons carrying “guns”, cars, tanks; 2003 Aladdin home networking system, built at Microsoft Research,

showcased in PBS serial; 2000 NetraProxy internet server, commercially sold by Sun; 1997

• Leader in self-stabilization $2.4+M funding from DARPA for sensor networks research $.5M funding from NSF for NASA dependability research $200K funding from Microsoft Research for internet services

research

DDNS: Ongoing Activities

1. Focus on theoretical limits and algorithms for low power distributed computing/networking/sensing 1. Graph theoretic and geometric techniques, especially for large-scale

systems and WSNs

2. Currently active projects apply ideas in experimental settings:1. Cellphone based sensor networking projects (involving Motorola and Nokia)

with focus on MAC, routing, localization2. Security projects with java motes (involving SUN) and with ARO3. Integrating sensor networks with enterprises (e.g. SENSORMAP, involving

Microsoft)4. High level programming languages (DESAL, with NSF)

3. OSU is a leader in wireless sensor network projects and facilities:1. Kansei being expanded to include 1000 TMotes this fall, 100+ Imote2s,

100-200 SunSPOTs (planned)2. ExScal remains among largest experiments conducted3. ISS (Institute for Sensor Systems) has started operation, increasingly

fellowships/internships support will be available through it, and an ExScal-like WSN project with Los Alamos is anticipated

Ad Hoc Mobile Wireless Networking

• Led by Steve Lai http://www.cse.ohio-state.edu/~lai/

• IEEE 802.11 is the most widely deployed standard for wireless LANs. We are interested in its scalability issue, i.e., we are aiming to answer the question: “Can they support large-scale, multi-hop ad hoc networks?”

• Particularly, we are working on the following topics:o Is IEEE 802.11 scalable? o Time sync in multihop ad hoc networks o Is time sync essential for power saving?o Constructing connected dominating sets by way of clock

synchronizationo Coverage and Connectivity in Sensor Networks

Networking Research Lab

• Current Research Activities Formal methods for network protocol analysis Internet security formal monitoring and measurement Machine learning based approach for network protocol security

analysis Cyber infrastructure security protection Network malicious node conviction Internet attack trace back: single packet based approach

• David Leehttp://www.cse.ohio-state.edu/~lee/

• Networking Research Labhttp://www.cse.ohio-state.edu/NRL/

Sensor Networks and Mesh Networks

• Led by Prasun Sinha

http://www.cis.ohio-state.edu/~prasun

• Goal: To design efficient next-generation wireless networks

• Multi-Radio Networks o How can communication protocols of one radio-network leverage the

other radio for improved performance?

• Communication Protocols for Ad-hoc Networkso How do you design energy efficient protocols for unicast, broadcast, and

network management in ad-hoc networks?

• MAC and Routing Layers for continuously varying Channel Rateso How do you reduce the MAC overhead to improve performance?o How do you compute a route with the best end-to-end rate?

Sensor Networks and Mesh Networks

• Led by Prasun Sinha

http://www.cse.ohio-state.edu/~prasun

• Goal: To design scalable, robust, and efficient next-generation wireless networks

• Project 1 (NSF): Energy Efficient Distributed Sensor Network Control [with Ness Shroff]

• Project 2 (NSF): Tracking Movements with a Sparse Sensor Network

• Project 3 (NSF): Mesh Network Protocols for Time Varying Channels

Sensor Networks and Mesh Networks (contd.)

• Recent Activities Optimal Design of Network Protocols based on Channel

Models Delay Tolerant Networking for City-Wide Coverage with

Sparse WiFi Deployment Network Protocols for Rechargeable Sensor Networks

• Note: PhD Students sought for all ongoing projects as well as recent activities

Real-Time and Secure Communication Lab

• Led by Dong Xuanhttp://www.cse.ohio-state.edu/~xuan/

• Research Interests: broadly in the areas of distributed systems and networking: o Scalable QoS control: We seek to build up an

architecture and design/develop various algorithms and protocols to provide scalable QoS (deterministic and statistical) guarantees to real-time and mission critical applications in wired and wireless networks.

o Security: We attempt to design and implement advanced defense systems to internet-wide Distributed Denial of Services attacks (DDoS) and active worm attacks. We are also interested in analyzing and improving the resilience of sensor networks to different types of attacks.