[6lowpan] -nd-15: Purpose of SLLA slightly unclear

One more thing on ND:

It is obvious that default routers need to know the link layer address
of
a host in order to resolve its IP address. It is however a little more
unclear to me why a host has to deliver the link layer address in a
special SLLA field?

(BTW: As a new reader I may read the term SLLA four times before finding
the
full wording in section 5.5.1 ;-)    )

I suppose the link-layer address of the originating node is already in
the
link-layer header?
Is the purpose solely DAD? If so, a few more words may serve to guide
the reader...

Thanks,
  Anders

-----Original Message-----
From: 6lowpan-bounces@ietf.org [mailto:6lowpan-bounces@ietf.org] On
Behalf Of Carsten Bormann
Sent: 17. februar 2011 16:58
To: 6lowpan
Subject: [6lowpan] Working Group Last call for draft-ietf-6lowpan-nd-15

In September/October, we had the first WGLC on 6LoWPAN-ND, which
resulted in a number of detailed comments and two resulting
fine-tuning iterations of the draft.

draft-ietf-6lowpan-nd-15.txt has been out for two months now.
I understand it has taken part in several interops with multiple
implementations in this period; no issues came up.

We now start the Working Group Last Call on:

   http://tools.ietf.org/html/draft-ietf-6lowpan-nd-15

The document is planned to be submitted by this Working Group to the
IESG for publication as a Standards-Track Document.

This is a two-week Working-Group Last-Call, ending on Thursday,
2011-03-03 at 2359 UTC.

Please review the changes to the document carefully once more, and
send your comments to the 6lowpan list.  Please also do indicate to
the list if you are all-OK with the document.

Gruesse, Carsten

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