Re: [RAM] The mapping problem: rendezvous points?

[Dino Farinacci <dino at cisco.com>]

>     > From: Dino Farinacci <dino at cisco.com>
>
>     > if an EID-prefix namespace is routed on another topology  
> where you only
>     > route on IDs (where the Internet topology we know of today  
> routes only
>     > on locator prefixes)
>
> Err, minor terminological nit: one my definitions of "locator" is  
> 'names used
> by the path-selection system'. So if you have a system which is doing
> "rout[ing]" (i.e. doing next-hop selection along the path), then  
> the things
> it is using as the name of the destination are, *by definition*,  
> locators...
> even if you call them EIDs!

I agree with your definition, but in LISP 1 and 1.5, when you copy  
the inner DA to the outer DA, we call the inner DA an EID because it  
is assigned to a host. And we use that EID as a locator in the IGP.  
When it is copied to the outer DA for map resolution, I guess it is  
also a locator outside of the site.

But the semantic of this outer DA, in lieu of map resolution comes  
out of the EID-prefix allocation space and not an ISPs space.

So I know this can be confusing or controversial, but when I look at  
an address, I call it from where it was *allocated* from and not how  
it is used.

Dino

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