GENI discussion

[David Farber <dave () farber net>]

Begin forwarded message:

From: "Zegura, Ellen Witte" <ewz () cc gatech edu>
Date: May 22, 2007 3:33:53 AM EDT
To: ip () v2 listbox com
Cc: dave () farber net, Scott Shenker <shenker () icsi berkeley edu>, Ed  
Lazowska <lazowska () cs washington edu>
Subject: GENI discussion

I’ve seen the IP thread about GENI that was prompted by yesterday’s  
announcement that BBN will be the GENI Project Office (GPO).  Along  
with Scott Shenker, I am helping lead the GENI Science Council (GSC),  
the group that represents the research community that will make use  
of the GENI facility.



I wanted to respond to a few parts of Bob’s message.  Primarily, I  
wanted to make clear that GENI is a facility for experimenting with  
new Internet architectures, not a proposal to BE the new  
architecture.  The reason for slicing is to allow multiple  
experiments to run on the same physical resources at the same time.    
The slices are managed so that experimenters don’t step on one  
another during the testing phase.  There are other funding programs  
in NSF that will fund the research on alternative architectures and  
ideas that can be tested in the GENI facility.  These include the  
FIND program, and many other networking and distributed systems  
programs.  Of course, one could propose that GENI itself be the new  
architecture – and surely some will -- and then folks like Bob and  
others could reasonably debate the wisdom of that.  We’re not there  
yet, though, and its important to keep the distinction between GENI  
as a facility and GENI as a proposed new architecture.



With respect to the suggestion that money would be better spent on  
research that improves our understanding of how to operate well from  
the edge, I guess I view that as complementary.  GENI is likely to  
support experiments that modify edges and use a standard IPv4 or v6  
core, perhaps with instrumentation inside the network that would  
allow more insight into what helps edge-controlled apps work better.



Ellen







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