Re: [RRG] Mobility considerations in proposal evaluation

[Tony Li <tli@cisco.com>]

On Feb 26, 2008, at 9:02 AM, William Herrin wrote:

> Out of curiosity, which part of the problem space do you think would
> benefit the most from additional basic science before turning it over
> to an engineering effort?

Bill,

I believe that there are significant chunks of the solution space  
outside of the pure routing architecture area that are worth  
exploring.  The input that we've seen from Mark Handley suggests that  
we've been thinking very much inside of our box and that there are  
alternatives.
Even within the routing area, I don't believe that we've fully  
explored the solution space in either the mapping area or in the  
actual relaying mechanism.
On the relaying front today, we have encapsulation and translation.   
What else is there?
On the mapping area, we have push systems and pull systems.  Both  
have substantial drawbacks.  Are there better hybrids?  Are there  
alternatives?
I'd certainly welcome convincing arguments that we've done a decent  
job in considering either of these solution spaces.
Tony


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