Subject: [6lowpan] HC status

From: "Pascal Thubert (pthubert)" <[email-masked]>
Date: Mon, 24 May 2010 16:30:03 +0200

BTW, 

do we have a status on the HC draft? 
We're way past last call aren't we? 
Did the draft already circulate in higher spheres?

Pascal

> -----Original Message-----
> From: [email-masked] [mailto:[email-masked]] On
> Behalf Of Zach Shelby
> Sent: Monday, May 24, 2010 12:39 PM
> To: Richard Kelsey
> Cc: Carsten Bormann; [email-masked]
> Subject: Re: [6lowpan] [Roll] Source Routing Header Format
> 
> 
> On May 24, 2010, at 12:48 AM, Richard Kelsey wrote:
> 
> > [Mailing list switched from roll to 6lowpan, as Carsten's
> > question is for that group.]
> >
> >> From: Carsten Bormann <[email-masked]>
> >> To: [email-masked]
> >> Date: Tue, 18 May 2010 18:33:24 +0200
> >>
> >> On May 18, 2010, at 18:21, Pascal Thubert (pthubert) wrote:
> >>
> >>> Then 6LoWPAN can work on compressing it using 6LowpAN
> >>> techniques.
> >>
> >> Do we (6LoWPAN) want to?
> >> So far we have focused on compressing things that are very stable.
> >> Tracking a moving target with a compression spec is tedious.
> >
> > I agree that tracking a moving spec is problematic.
> >
> > On the other hand, we know that in the end any source route
> > (or record route) will be a block of IPv6 addresses with a
> > few fields tacked on the front.  It should be possible to
> > work on compressing the route itself, which is where the
> > bulk of the compression will be in any case.
> 
> One of the reasons for including next-header-compression (NHC) in HC
was
> to support future compression of IPv6 extension headers. Therefore if
an
> RH0 style header would be used for source routing with full IPv6
addresses, a
> NHC code could be defined for compressing those addresses. Note that
HC
> allows other documents to specify such an extension, even e.g. RPL
could do
> that, so this doesn't necessarily need to be defined in the 6lowpan
WG.
> 
> Zach
> 
> >
> >                                       -Richard Kelsey
> > _______________________________________________
> > 6lowpan mailing list
> > [email-masked]
> > https://www.ietf.org/mailman/listinfo/6lowpan
> 
> --
> Zach Shelby, Chief Nerd, Sensinode Ltd.
> http://zachshelby.org  - My blog "On the Internet of Things"
> http://6lowpan.net - My book "6LoWPAN: The Wireless Embedded Internet"
> Mobile: +358 40 7796297
> 
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