Ron,

It strikes me that we’ve had discussions on what an EID is many, many times 
before on this list. Perhaps looking at those archived conversations would be 
useful. 

-Darrel


On Aug 11, 2014, at 7:38 AM, Ronald Bonica <[email protected]> wrote:

> Hi Albert, 
> 
> Your definition misses one small but important point. The degree to which an 
> EID carries topological information depends largely upon the observer's 
> location.
> 
> For example, assume that a LISP site is served by two XTRs and both XTRs go 
> down. Nodes within the site can still communicate with one another, even 
> though no device that is operating has a LOCATOR. In this case, where does 
> topological information come from?
> 
> Also, when an EID is advertised into the global Internet by a PITR, does it 
> continue to be an EID? If so, does it continue to be devoid of location 
> semantics?
> 
>                                                                               
>                        Ron
> 
>> -----Original Message-----
>> From: Albert Cabellos [mailto:[email protected]]
>> Sent: Thursday, August 07, 2014 11:49 AM
>> To: Ronald Bonica
>> Cc: LISP mailing list list
>> Subject: Re: [lisp] draft-ietf-lisp-introduction-04 (Part 2)
>> 
>> Hi Ron
>> 
>> 
>> 
>> On Wed, Aug 6, 2014 at 8:30 PM, Ronald Bonica <[email protected]>
>> wrote:
>>> Folks,
>>> 
>>> The following text is lifted from Section 6.1. At best, it is difficult to 
>>> parse.
>> At worst, it is incorrect. Is there a better way to distinguish between an 
>> IED
>> and a LOC?
>>> 
>> 
>> What about stating that RLOCs are topologically assigned to network
>> attachment points while EIDs are independent of the topology and used to
>> identify devices.
>> 
>> Albert
>> 
>>>                                           Rn
>>> 
>>> "The second key concept is that if one wants to be as forward-looking as
>> possible, conceptually one should think of the two kinds of names  (EIDs and
>> RLOCs) as naming different classes of entities.
>>> 
>>> On the one hand, EIDs are used to name nodes - or rather, their end- end
>> communication entities.  RLOC(s), on the other hand, name interfaces, i.e.
>> places to which the system of routers sends packets.
>>> 
>>> This distinction, the formal recognition of different kinds of entities
>> ("endpoints" and interfaces), and their association with the two different
>> classes of names, is also important.  Clearly recognizing interfaces and
>> endpoints as distinctly separate classes of objects is another improvement to
>> the existing Internet"  architecture."
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> lisp mailing list
>>> [email protected]
>>> https://www.ietf.org/mailman/listinfo/lisp
> _______________________________________________
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