Re: [lisp] LISP EID Block Size

"Joel M. Halpern" <jmh@joelhalpern.com> Thu, 31 October 2013 17:14 UTC

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Date: Thu, 31 Oct 2013 13:13:51 -0400
From: "Joel M. Halpern" <jmh@joelhalpern.com>
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To: Dino Farinacci <farinacci@gmail.com>
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Cc: LISP mailing list list <lisp@ietf.org>
Subject: Re: [lisp] LISP EID Block Size
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Actually, that use case is only helped by the EID block if you can be 
sure that ALL the destination EIDs it will see will come from the block.
Which seems to be impossible to ensure in the general case.  And easy to 
achieve without an allocated block in many of the special cases.

Yours,
Joel

On 10/31/13 11:57 AM, Dino Farinacci wrote:
>> If the implementation is hard to explain, it's a bad idea.
>> If the implementation is easy to explain, it may be a good idea.
>> """
>>
>> If it is difficult to explain what the experiment is about then I understand that people are afraid it might be a bad idea.
>
> I'll explain one experiment and will be crystal ear about it.
>
> (1) We want to have a LISP site send to both LISP sites and not LISP sites.
>
> (2) We want an ITR to do mapping database lookups when the destination address is an EID.
>
> (3) We want the ITR to forward packet s by doing a traditional FIB lookup when the destination is not an EID.
>
> Good Zen?
>
> Dino
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