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Re: [RAM] New LISP draft available ...

On Tue, 17 Jul 2007, Dino Farinacci wrote:
We have a new LISP-02 draft available. The packet formats are consistent with CONS-01 as well as the implementation we are testing.

The draft has been submitted to the ID directory, but you can find a draft at:

	http://www.dinof.net/~dino/ietf/draft-farinacci-lisp-02.txt

This version is formatted much better.  ;-)

This draft also reflects comments from Ved Kafle and Olivier Bonaventure.

a few more general question/clearification around the draft in general just to see if I understood it correct. Also fun to read those small comments on Steve Jobs and iPhone :) 

Thanks!

In section 3, you mentio about EID:
" The source EID is obtained via existing
      mechanisms used to set a hosts "local" IP address.  LISP uses PI
      blocks for EIDs; such EIDs MUST NOT be used as LISP RLOCs.  Note
      that EID blocks may be assigned in a hierarchical manner,"

Why restrict it to PI addresses there? If, because no one know how it is moving on, ULA-C/G are approved and getting into use, they would be almost perfect for this usage.

We have discovered that a PI address may be used as a locator. We have heard plenty of feedback where a PI prefix may have to stay in the core routing tables. But we would like to keep that to the absolute minimum.

But you are right, we don't need a hard and fast rule about PI addresses.

Next thing, EID-prefix, that would be the above mention IP block? 

Yes.

Also in Section 4.1 (page 9-10), the example was worded so it could be read that it is Ipv4 only. I know thats not true but maybe change the wording a bit? A change like this could be enough:

"This section provides an example of a IPv4 unicast packet flow with the following parameters:"

I realized we used the phrases "IP packet" and "A record" which imply IPv4 but you can see it means either. We can tighten this up in the next rev.

Dino

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