[talks] 11:30am Today: Where’s Waldo? Practical Searches for Stability in iBGP

Yi Wang yiwang at CS.Princeton.EDU
Mon Nov 10 09:53:05 EST 2008

Kind reminder.. talk starts at 11:30am in CS 301.

On Nov 6, 2008, at 12:12 PM, Yi Wang wrote:

> Hi all,
> Next Monday (November 10), Ashley Flavel from University of  
> Adelaide will be giving a talk on modeling IGP/iBGP interaction.  
> Both systems and theory people may find this talk interesting.
> Thanks,
> Yi
> --------------------------------------------------------
> Time: 11:30-12:30, Monday November 10
> Room: CS 301
> Title: Where’s Waldo? Practical Searches for Stability in iBGP
> Abstract:
> What does a child’s search of a large, complex cartoon for the  
> eponymous character (Waldo) have to do with Internet routing?  
> Network operators also search complex datasets, but Waldo is the  
> least of their worries. Routing oscillation is of much greater  
> concern.  One cause of such oscillations is the interaction between  
> the routing protocols used for reaching internal (IGP) and external  
> destinations (iBGP).  In this talk we model the interaction between  
> these two routing protocols and precisely identify where  
> oscillation can occur due to the interaction, and where it cannot.   
> We apply this analysis to the iBGP configuration of a large Tier-2  
> ISP and show that despite the problem being NP-hard, we can  
> restrict our search to a feasible size in a realistic network.
> Short bio:
> Ashley Flavel is a Phd candidate at the University of Adelaide in  
> the School of Applied Mathematics. He holds degrees from the  
> University of Adelaide in both Telecommunications Engineering and  
> Mathematical and Computer Science. His current research involves  
> the measurement and modeling of the Border Gateway Protocol. He  
> will be submitting his Phd thesis in late 2008.
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