Hi Jonathan,It's a minor point and the text is not specifically wrong in hc-11 but the following change would make things 100% consistent, in my view.
The link-local prefix is by definition FE80::/64. So the following:
10: 16 bits. The first 112 bits of the address are elided.
The value of the first 64 bits is the link-local prefix
padded with zeros. The following 64 bits are 0000:00ff:
fe00:XXXX, where XXXX are the 16 bits carried in-line.
would look better as:
10: 16 bits. The first 112 bits of the address are elided.
The value of the first 64 bits is the link-local prefix.
The following 64 bits are 0000:00ff:fe00:XXXX,
where XXXX are the 16 bits carried in-line.
as the 'padded with zeros' seems to be a hangover from the previous text
when it expanded it to a 112-bit prefix.
Change at your discretion. Apologies for not raising this earlier. Robert Robert Cragie (Pacific Gas & Electric) Gridmerge Ltd. 89 Greenfield Crescent, Wakefield, WF4 4WA, UK +44 1924 910888 +1 415 513 0064 http://www.gridmerge.com <http://www.gridmerge.com/> On 01/09/2010 10:24 PM, Jonathan Hui wrote:
By request of the chairs, I have made Dario's suggested change before submission to IESG. This mapping from a short IEEE 802.15.4 address to 64-bit IIDs is also used to reconstruct any part of an IID not covered by context information when only 16 bits are carried in-line (SAC/DAC=10). --> This mapping from a short IEEE 802.15.4 address to 64-bit IIDs is also used to reconstruct any part of an IID not covered by context information. -- Jonathan Hui Begin forwarded message:From: IETF I-D Submission Tool<[email protected]> Date: September 1, 2010 2:22:17 PM PDT To: [email protected] Cc: [email protected] Subject: New Version Notification for draft-ietf-6lowpan-hc-11 A new version of I-D, draft-ietf-6lowpan-hc-11.txt has been successfully submitted by Jonathan Hui and posted to the IETF repository. Filename: draft-ietf-6lowpan-hc Revision: 11 Title: Compression Format for IPv6 Datagrams in 6LoWPAN Networks Creation_date: 2010-09-01 WG ID: 6lowpan Number_of_pages: 23 Abstract: This document specifies an IPv6 header compression format for IPv6 packet delivery in 6LoWPAN networks. The compression format relies on shared context to allow compression of arbitrary prefixes. How the information is maintained in that shared context is out of scope. This document specifies compression of multicast addresses and a framework for compressing next headers. UDP header compression is specified within this framework. The IETF Secretariat._______________________________________________ 6lowpan mailing list [email protected] https://www.ietf.org/mailman/listinfo/6lowpan
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