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Technical Program

Organizer: Christos Papadopoulos, Colorado State University.

Each panel will consist of 4-8 members. We expect about 5-7 panels. Panel time is  2-3 hours.
Panels will emphasize discussion, so panelists are strongly encouraged to keep presentations short (10mins).

Wed Oct 22

9:00-12:00 Panel:  Multihop Networks: Fact or Fiction?

Description:
Multihop wireless networks face several challenges typically not present in sinle-hop networks, such as interference, routing and performance issues. Moreover, despite several years of research, multi-hop wireless networks today are limited to specific applications, such as rescue operations, military deployments, etc.
An important question is, will multihop networks ever succeed in more general deployment scenarios? Will they ever be used to provide wide Internet access, for example in remote areas? Is there a good business model?  This panel will explore such questions by reviewing the current state of the art and debate where the area is headed.
The panel seeks researchers in all layers, from the physical to the application layer. The panel also invites people from industry with deployment experience in wireless networks, who can provide an operational and economic perspective.
Members:
Konstantinos Psounis (USC) - Coordinator [ppt]
Injong Rhee (North Carolina State University) [ppt]
Suresh Singh (Portland State) [ppt]
Ramakrishna Gummadi (MIT) [ppt]
Anmol Sheth (Intel) [ppt]

Panel audio (77MB, 2:40:29) [mp3]

12:00-1:30 Lunch

1:30-3:30 Panel: Dealing with Malicious Traffic

Description:
Malicious traffic (e.g., scanning, malicious code propagation, spam, DDoS attacks, etc.) is part of the everyday operation of the Internet and causes a range of operational, financial, and political damages. Dealing with malicious traffic effectively and in an architecturally clean way has proved to be a hard problem. In this panel we seek to understand: what are the building blocks needed to move forward, what should be done in the core vs. the edge of the network and how incremental vs. clean-slate the solutions need to be. The panel invites people with diverse perspectives from both academia and industry.
Members:
Athina Markopoulou (UCI) - Coordinator [pdf]
Farnam Jahanian (Arbor Networks) [pdf]
Peter Reiher (UCLA) [ppt]
Brian Rexroad (AT&T) [ppt]
Minaxi Gupta (Indiana University) [ppt]
Paul Francis (Cornell) [ppt]

Panel audio (122MB, 2:45:00) [mp3]

3:30-3:45 Break

3:45-5:30 Panel: Energy-efficient distributed algorithms for wireless ad hoc networks

Description:
Designing energy efficient distributed algorithms is a central issue in energy-constrained ad hoc wireless networks.  Comprehensive solutions, however, require a tight collaboration between distributed algorithms and wireless network researchers: algorithms researchers need to understand the wireless network model and what assumptions to make (particularly energy assumptions) and wireless network researchers need to understand energy efficient distributed computing. This panel will bring together experts from different communities, including wireless, distributed computing, systems, and algorithms to initiate this discussion.
Members:
Gopal Pandurangan (Purdue) - Coordinator [ppt]
Konstantin (Costas) Busch (LSU) [ppt]
Jason Fuemmeler (Rockwell Collins) [ppt[
Ramakrishna Gummadi (MIT) [ppt]

Panel audio (93MB, 1:36:22) [mp3]

Thu Oct 23

9:00-12:00 Panel: Deep Packet Inspection

Description:
While the primary role of the network is to carry traffic from one endhost to another, it also has to control the traffic to protect the endhosts and its own ability to offer good service. Access control lists
based on packet headers are not sufficient and deep packet inspection is often required (e.g. for filtering out attacks and for prioritizing traffic based on application type). Deep packet inspection poses significant implementation challenges: the volume of data to process is large, the signatures to recognize are becoming more complex, and the high speeds of links impose severe limitations on the hardware that can be used. This panel will discuss current architectures, algorithms and  hardware technologies used in deep packet inspection as well as the challenges that will shape its evolution.
Members:
Cristian Estan (U of Wisconsin-Madison) - Coordinator [ppt]
Michela Becchi (Washington University, St. Louis) [ppt]
Aleksandar Kuzmanovic (Northwestern University) [ppt]
Sailesh Kumar (Cisco) [ppt]
Sarang Dharmapurikar (Cisco) [ppt]

Panel audio (170MB, 2:57:21) [mp3]