Re: [lp-wan] WG Rechartering - new charter approval vote (vote ends Dec 3rd)

[AUDEBERT Vincent <[e-mail]>]

+1

Vincent


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Vincent AUDEBERT
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De : lp-wan [mailto:[e-mail]] De la part de [e-mail]
Envoyé : mercredi 20 novembre 2019 14:31
À : Alexander Pelov <[e-mail]>; lp-wan <[e-mail]>
Objet : Re: [lp-wan] WG Rechartering - new charter approval vote (vote ends Dec 3rd)

Hello all,

I agree with the proposed new charter.
Best regards

Dominique

De : lp-wan <[e-mail]<mailto:[e-mail]>> on behalf of Alexander Pelov <[e-mail]<mailto:[e-mail]>>
Date : Tuesday 19 November 2019 18:04
À : lp-wan <[e-mail]<mailto:[e-mail]>>
Objet : [lp-wan] WG Rechartering - new charter approval vote (vote ends Dec 3rd)

Dear all,

As we have achieved all our milestones the LPWAN WG is now rechartering. We have been discussing the recharter for several IETFs now, so most of the new charter should be familiar..

The new charter is as follows:
- The introduction and the context remain unchanged.
- Charter item 1 is a generalization of the Charter item 1 we discussed in past IETFs.
- Charter items 2 and 4 come directly from our previous charter.
- Charter item 3 was proposed, discussed and voted during the session.
- Charter item 5 has been discussed during the past several IETFs.

We would like to confirm the agreement in the room on the mailing list.
Please vote by December 3rd, 23h55 CET.

Cheers,
Pascal and Alexander

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Charter Proposal for LPWAN Working Group
(Changes are given below in bold)
A new generation of wireless technologies has emerged under the generic
name of Low-Power Wide-Area (LPWA), with a number of common
characteristics, which make these technologies unique and disruptive for
Internet of Things applications.
Those common traits include an optimized radio modulation, a star
topology, frame sizes in the order of tens of bytes transmitted
a few times per day at ultra-low speeds and sometimes variable MTUs,
and, though downstream may be supported, a mostly upstream transmission
pattern that allows the devices to spend most of their time in low-
energy deep-sleep mode.
This enables a range of several kilometers and a long battery lifetime,
possibly ten years operating on a single coin-cell. This also enables
simple and scalable deployments with low-cost devices and thin
infrastructures.
Those benefits come at a price: the layer 2 frame formats are optimized
and specific to each individual technology. There is no network layer
and the application is often hard wired to the layer 2 frame format,
leading to siloed deployments that must be managed, secured and operated
individually. Migrating from one LPWA technology to another implies
rebuilding the whole chain.
To unleash the full power of LPWA technologies and their ecosystems,
there is a need to couple them with other ecosystems that will guarantee
the inter-working by introducing a network layer, and enable common
components for management and security, as well as shared application
profiles. The IETF can contribute by providing IPv6 connectivity, and
propose technologies to secure the operations and manage the devices and
their gateways.
The Working Group will focus on enabling IPv6 connectivity over the
following selection of Low-Power Wide-Area technologies: SIGFOX, LoRa,
WI-SUN and NB-IOT.
These technologies present similar characteristics of rare and widely
unbalanced over-the-air transmissions, with little capability to alter
the frame formats to accommodate this work, which makes it so that
existing IETF work (6lo) cannot be trivially applied.
The Working Group will leverage cross-participation with the associated
set of stakeholders to ensure that the work taking place corresponds to
real demands and that the proposed solutions are indeed applicable.
The group will produce informational work describing LPWA
technologies and their needs as well as new standard work to optimize
 IPv6-based communications to the end device

The group will:
1. Perform SCHC Maintenance, including enabling SCHC mechanisms for Upper layer Protocols.
2.. Produce Standard Track documents to apply SCHC IPv6/UDP over the baseline technologies.
3. Produce a Standards Track document to provide a mechanism to improve the reliability of delivering fragmented multicast packets.
4. Produce a Standards Track document to define the generic data models to  formalize the compression and fragmentation contexts.
5. Produce a Standards Track document to enable  operations, administration and maintenance (OAM) to the LPWAN device, including support for delayed or proxyed liveness verification (Ping).



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