Re: [6lowpan] I-D ACTION:draft-ietf-6lowpan-format-00.txt

[gabriel montenegro <[e-mail]>]

Folks,

As you may have seen, we've submitted a new version of the IPv6-over-15.4
document. As it is now an official WG draft, it has also undergone a name
change:

OLD:
   draft-montenegro-lowpan-ipv6-over-802.15.4-02.txt 
NEW:
   draft-ietf-6lowpan-format-00.txt are as follows:

 I also wanted to draw your attention to one change in particular:

      The LoWPAN encapsulation was modified to allow 11 bits of protocol
      type (prot_type field).  Because of this, the minimum overhead
      grew from 1 octet to 2 octets.  This was done in order to allow
      more protocol types as the previous format started with a field
      only 5 bits wide.  Whereas growing it to 7 bits was possible in
      the future, this would always entail 2 octets of overhead for the
      longer protocol types to be used.

This increase in the protocol_type field was done in response to some feedback
about the previous scheme being very limited, and its extension being
somewhat complicated.

-gabriel

--- [e-mail] wrote:

> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the IPv6 over Low power WPAN Working Group of the IETF.
> 
> 	Title		: Transmission of IPv6 Packets over IEEE
>                           802.15.4 Networks
> 	Author(s)	: G. Montenegro, N. Kushalnagar
> 	Filename	: draft-ietf-6lowpan-format-00.txt
> 	Pages		: 21
> 	Date		: 2005-7-13
> 	
>    This document describes the frame format for transmission of IPv6
>    packets and the method of forming IPv6 link-local addresses and
>    statelessly autoconfigured addresses on IEEE 802.15.4 networks.
>    Additional specifications include a simple header compression scheme
>    using shared context and provisions for packet delivery in IEEE
>    802.15.4 meshes.
> 
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-6lowpan-format-00.txt
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