Hi all,
Here is my opinion:
step 1: one suggestion to keep the original sentence explaining what
to do in SF0 after the system booting-up or restart. That is,
no change on draft-ietf-6tisch-6top-sf0-02#section-10.
step 2: +1
Thanks!
Yatch
On 2016/11/22 8:16, Thomas Watteyne wrote:
In thread "Node Behavior at Boot in SF0"
(https://www.ietf.org/mail-archive/web/6tisch/current/msg04883.html), we ended up
discussing the following paragraph
https://tools.ietf.org/html/draft-ietf-6tisch-6top-sf0-02#section-10:
In order to define a known state after the node is restarted, a CLEAR
command is issued to each of the neighbor nodes to enable a new
allocation process. The 6P Initial Timeout Value provided by SF0
should allow for the maximum number of TSCH link-layer retries, as
defined by Section 4.3.4 of [I-D.ietf-6tisch-6top-protocol]. TODO/
REMARK: The initial timeout is currently under discussion.
The suggestion on the table is to:
step 1. Change
https://tools.ietf.org/html/draft-ietf-6tisch-6top-sf0-02#section-10 to:
The 6P Initial Timeout Value provided by SF0
should allow for the maximum number of TSCH link-layer retries, as
defined by Section 4.3.4 of [I-D.ietf-6tisch-6top-protocol]. TODO/
REMARK: The initial timeout is currently under discussion.
step 2. Add the following text to draft-ietf-6tisch-6top-protocol, by possibly
adding a 4.3.X section:
4.3.X. Disconnecting from a neighbor
If the SF realizes connection to a particular neighbor is no longer
needed (for example a change in parent by the routing protocol),
the SF MAY send a CLEAR request to that neighbor to speed up the
cleanup process of the cells allocated with that neighbor.
I'm hereby opening a call for WG consensus. Please +1 or comment/suggest. The
chairs will summarize on Fridat 25 Nov.
Thomas
--
_______________________________________
Thomas Watteyne, PhD
Research Scientist & Innovator, Inria
Sr Networking Design Eng, Linear Tech
Founder & co-lead, UC Berkeley OpenWSN
Co-chair, IETF 6TiSCH
www.thomaswatteyne.com <http://www.thomaswatteyne.com>
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