Re: [RRG] thoughts on the design space 2: upper layer implications

[Olivier Bonaventure <Olivier.Bonaventure@uclouvain.be>]

Jari,

> MAPPING RESOLUTION
> ===============
>
> The caching design has a number of issues:
> - If packets are dropped while cache entries are being fetched, there 
> may be deterministic loss
> - If packets are routed through a secondary path while cache entries are 
> being fetched, there may be deterministic delay
>
> Both of these are issues (draft-thaler 3.1.6-3.1.7). Exactly how serious 
> issues is left for further study, however.
>
> In addition, all designs with a mapping resolution system may have 
> incentive and reliability issues due to the fact that a third party is 
> needed. And, the non-caching design may have scalability issues.

Although this has not yet been largely discussed on the mailing list, I 
think that we should add that the security of the mapping resolution 
system is a concern. The mapping system should take security into 
account while few of the existing proposals have addressed this issue.


Olivier


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