[Fwd: [Nrg-l] NRG this week]

Kanishka Gupta kanishka at cs.bu.edu
Wed Jul 27 16:07:29 EDT 2005


NRG's starting NOW.

--Kanishka

On Wed, 27 Jul 2005, Niky Riga wrote:

> Just a reminder that NRG will take place at 4pm today at the grad lounge.
> 
> niky
> 
> -------- Original Message --------
> Subject: 	[Nrg-l] NRG this week
> Date: 	Mon, 25 Jul 2005 16:44:03 -0400
> From: 	Niky Riga <inki at cs.bu.edu>
> To: 	nrg-l at cs.bu.edu
> 
> 
> 
> Hi,
> This week we are going to continue the theme that Hany started the 
> previous week on geographic routing protocols for Wireless Sensor 
> Networks. Boulat is going to present the following paper
> 
> "Geographic Routing Made Practical"
> Young-Jin Kim, Ramesh Govindan, Brad Karp, and Scott Shenker
> appeared at NSDI'05 (http://enl.usc.edu/papers/cache/cldp_nsdi05.pdf)
> The abstract of the talk follows. 
> 
> NRG will take place in the Graduate Lounge, on Wednasday (July 27th) at 4:00pm. 
> 
> Cheers,
> Niky
> 
> ABSTRACT
> --------------------
> 
> Geographic routing has been widely hailed as the most
> promising approach to generally scalable wireless routing.
> However, the correctness of all currently proposed
> geographic routing algorithms relies on idealized assumptions
> about radios and their resulting connectivity
> graphs. We use testbed measurements to show that these
> idealized assumptions are grossly violated by real radios,
> and that these violations cause persistent failures in geographic
> routing, even on static topologies. Having identi-
> fied this problem, we then fix it by proposing the Cross-
> Link Detection Protocol (CLDP), which enables provably
> correct geographic routing on arbitrary connectivity
> graphs. We confirm in simulation and further testbed
> measurements that CLDP is not only correct but practical:
> it incurs low overhead, exhibits low path stretch, always
> succeeds in real, static wireless networks, and converges
> quickly after topology changes.
> 
> 
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Kanishka



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