+1
Qin
On Tuesday, November 22, 2016 2:17 AM, Thomas Watteyne
<thomas.watte...@inria.fr> 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, PhDResearch Scientist & Innovator, InriaSr Networking Design
Eng, Linear TechFounder & co-lead, UC Berkeley OpenWSNCo-chair, IETF 6TiSCH
www.thomaswatteyne.com_______________________________________
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