[talks] canceling: 1:30-2:30pm Fri Dec 5 talk on Effective Diagnosis of Routing Disruptions from End Systems

Jennifer Rexford jrex at CS.Princeton.EDU
Sun Nov 30 23:32:12 EST 2008

Hi folks,

This talk on Friday will be postponed till the spring.

-- Jen
> Invited talk, note the unusual room (CS 102).  Please let me know if 
> you would like to meet with Morley Mao while she is here.
> Speaker: Professor Morley Mao, U. Michigan
> Title: Effective Diagnosis of Routing Disruptions from End Systems
> Date/time: 1:30-2:30pm Friday December 5
> Room: 102 in the CS building
> Abstract:
> Internet routing events are known to introduce severe disruption to
> application performance. So far effective diagnosis of routing events
> has relied on proprietary ISP data feeds, resulting in limited
> ISP-centric views not easily accessible by customers or other ISPs.
> In this work, we propose a novel approach to diagnosing significant
> routing events associated with any large networks from the perspective
> of end systems. Our approach is based on scalable, collaborative probing
> launched from end systems and does not require proprietary data from 
> ISPs.
> Using a greedy scheme for event correlation and root cause inference,
> we can diagnose both interdomain and intradomain routing events.
> Unlike existing methods based on passive route monitoring, our approach
> is able to measure the impact of routing events on end-to-end network
> performance as well. We demonstrate the effectiveness of our approach
> by studying five large ISPs over more than three and half months. We
> validate the accuracy of our approach by comparing with the existing
> ISP-centric method and with events reported on NANOG mailing lists.
> Our work is the first to scalably and accurately diagnose routing events
> associated with large networks purely from end systems.
> Bio:
> Z. Morley Mao is an assistant professor of Computer Science
> and Engineering at the University of Michigan.  Morley received
> her Ph.D., M.S., and B.S. from the University of California at 
> Berkeley. She
> is a recipient of the NSF CAREER award in 2007, an IBM Faculty Award 
> in 2008,
> and was recently named the Morris Wellman Faculty Development Professor.
> Her research interests include network measurements, routing protocols,
> distributed systems, and network security.
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