I can see four cases where SAM/DAM=2 might be used in stateless
compression:
1) A manually configured link-local address.
2) A node acting as a proxy for a specific link-local address.
3) A link-local anycast address.
4) A redirect
Perhaps these are unlikely cases, but it's nice to have them covered.
Dario
On 01/09/2010 2:33 PM, Colin O'Flynn wrote:
Hello,
I noticed that -10 also changed the format of the link-local stateless
compression to match the stateful global prefix compression.
Is there a case where you'd want to use the fe80::ff:fe00:XXXX form, where
the XXXX is not the 802.15.4 short address?
At any rate that change is fine, as it somewhat simplifies the code since
all addressing cases are then the same for the IID.
Regards,
-Colin
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf
Of Jonathan Hui
Sent: September 1, 2010 10:25 PM
To: 6lowpan 6lowpan
Subject: [6lowpan] Fwd: New Version Notification for
draft-ietf-6lowpan-hc-11
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.
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