Re: [Roll] Request for Comments for ROLL Charter
Cenk Gündogan <cnkgndgn@gmail.com> Wed, 22 June 2016 08:27 UTC
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From: Cenk Gündogan <cnkgndgn@gmail.com>
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Date: Wed, 22 Jun 2016 10:27:49 +0200
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Subject: Re: [Roll] Request for Comments for ROLL Charter
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Hello Ines,Peter, the proposed charter looks great as it is, however, I have a few remarks and questions that Iinlined below. Thanks! Best, Cenk On 06/21/2016 06:27 PM, Ines Robles wrote: > Dear all, > > Please find a draft of the working group charter. > > Please review and comments. It would be good to have your comments > before IETF 96. > > Thank you very much in advance, > > Peter and Ines > > //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// > > Charter for Working Group > > Low power and Lossy Networks (LLNs) are made up of many embedded > devices with limited > Should we reference RFC7228: "Terminology for Constrained-Node Networks" here to have a consistent and common definition of the term LLN? > power, memory, and processing resources. They are interconnected by a > variety of links, such as IEEE 802.15.4, Bluetooth, Low Power WiFi, > wired or other low power PLC (Powerline Communication) links. LLNs are > transitioning to an end-to-end IP-based solution to avoid the problem > of non-interoperable networks interconnected by protocol translation > gateways and proxies. > > Generally speaking, LLNs are characterized as follows, but not limited to: > > -LLNs operate with a hard, very small bound on state. > > -In most cases, LLN optimize for saving energy by using small packet > headers and few reduce amount of control packets. > -Typical traffic patterns are not simply unicast flows (e.g. in some > cases most if not all traffic can be point to multipoint). > > - In most cases, LLNs will be employed over link layers with > restricted frame-sizes and low bit rates, thus a routing protocol for > LLNs should be specifically adapted for such link layers. > > - LLN routing protocols have to be very careful when trading off > efficiency for generality; since LLN nodes do not have resources to waste. > > > These specific properties cause LLNs to have specific routing > requirements. > > Existing routing protocols such as OSPF, IS-IS, AODV, and OLSR have > been evaluated by the working group > (draft-levis-roll-overview-protocols-00) and have in their current > form been found to not satisfy all of these specific routing > requirements “Routing Requirements for Urban Low-Power and Lossy > Networks” RFC 5548, “Industrial Routing Requirements in Low-Power and > Lossy Networks” RFC 5673, “Home Automation Routing Requirements in > Low-Power and Lossy Networks” RFC 5826, Building Automation Routing > Requirements in Low-Power and Lossy Networks RFC 5867. > > The Working Group is focused on routing issues for LLN and maintaining > the protocols developed by the working group. > > There is a wide scope of application areas for LLNs, including > industrial monitoring, building automation (HVAC, lighting, access > control, fire), connected homes, health care, environmental > monitoring, urban sensor networks (e.g. Smart Grid), asset tracking. > The Working Group focuses on routing solutions for a subset of these: > connected home, building and urban sensor networks for which routing > requirements have been specified. These application-specific routing > requirement documents were used for protocol design. > The Working Group focuses on IPv6 routing architectural framework for > these application scenarios. The Framework will take into > consideration various aspects including high reliability in the > presence of time varying loss characteristics and connectivity while > permitting low-power operation with very modest memory and CPU > pressure in networks potentially comprising a very large number > (several thousands) of nodes. > > The Working Group will document how data packets are routed and > encapsulated when they cross the LLN, and when they enter and exit the > LLN: the appropriate use of RH3 (RFC6553), > It should be the other way around: RH3 is RFC6554 and RPI is RFC6553 > RPI (RFC6554) and IPv6-in-IPv6 encapsulation including how routing > loops are detected. In consultation with the 6lo WG, the Working Group > will design a method to compress these routing headers into a single > block. The WGLC on this work will be shared with 6lo. The Working > group will align with the 6man WG when needed. > ROLL is responsible for maintenance of the protocols that is has > developed, including RPL and MPL. AD approval is required for each new > work item that is proposed. > > Work Items are: > > - Guidance in using RFC6553, RFC6554, and IPv6-in-IPv6 encapsulation. > > - Compression of RFC6553, RFC6554, and IP headers in the 6LoWPAN > adaptation layer context > > - Additional protocol to reduce paths for RPL in non-storing mode > > - Automatic selection of MPL forwarders to reduce message replication > > - Data models for RPL and MPL management > > - Alternative Multicast algorithm based on Bier forwarding. > > - Solution of the problems associated with the use of No- Path DAO > messaging in RPL. > I remember a discussion on the mailing list about DAO/DAO-ACK being very underspecified, which in turn may lead to non-interoperability between different implementations. Should we use a more general wording here for the DAO handling, instead of just concentrating on the No-Path DAO? For reference: https://www.ietf.org/mail-archive/web/roll/current/msg09449.html > > - Methods to improve the current RPL behaviour, e.g. DIS modifications > in RPL. > > > Milestones DATE > > Recharter WG or close September 2017 > > Initial submission of draft about YANG RPL model to IESG March 2017 > > Initial submission of draft about MPL selection to IESG January 2017 > > Initial submission of draft about Bier Multicast to IESG November > 2016 > > Submit draft about YANG MPL model to IESG October 2016 > > Initial Submission of the draft about when to use RFC6553, RFC6554, > and IPv6-in-IPv6 encapsulation August 2016 > Draft-ietf-roll-useofrplinfo to the IESG. > > Initial submission of the draft about how to compress RFC6553, > RFC6554, and IP headers in the 6LoWPAN adaptation layer context. to > the IESG. May 2016 > draft-ietf-roll-routing-dispatch > > Initial Submission of the No-Path DAO Problem Statement to the IESG > November 2016 > > > > ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// > > > _______________________________________________ > Roll mailing list > Roll@ietf.org > https://www.ietf.org/mailman/listinfo/roll
- Re: [Roll] Request for Comments for ROLL Charter Ines Robles
- Re: [Roll] Request for Comments for ROLL Charter peter van der Stok
- Re: [Roll] Request for Comments for ROLL Charter Michael Richardson
- Re: [Roll] Request for Comments for ROLL Charter peter van der Stok
- Re: [Roll] Request for Comments for ROLL Charter Michael Richardson
- Re: [Roll] Request for Comments for ROLL Charter Pascal Thubert (pthubert)
- Re: [Roll] Request for Comments for ROLL Charter Ines Robles
- Re: [Roll] Request for Comments for ROLL Charter peter van der Stok
- Re: [Roll] Request for Comments for ROLL Charter Cenk Gündogan
- Re: [Roll] Request for Comments for ROLL Charter Prof. Diego Dujovne
- Re: [Roll] Request for Comments for ROLL Charter Pascal Thubert (pthubert)
- Re: [Roll] Request for Comments for ROLL Charter Turner, Randy
- Re: [Roll] Request for Comments for ROLL Charter Cenk Gündogan
- Re: [Roll] Request for Comments for ROLL Charter Pascal Thubert (pthubert)
- Re: [Roll] Request for Comments for ROLL Charter Pascal Thubert (pthubert)
- Re: [Roll] Request for Comments for ROLL Charter Michael Richardson
- Re: [Roll] Request for Comments for ROLL Charter Pascal Thubert (pthubert)
- Re: [Roll] Request for Comments for ROLL Charter Pascal Thubert (pthubert)
- Re: [Roll] Request for Comments for ROLL Charter Ines Robles
- Re: [Roll] Request for Comments for ROLL Charter Rahul Arvind Jadhav (Rahul Arvind Jadhav, 2012 Labs)
- Re: [Roll] Request for Comments for ROLL Charter Cenk Gündogan
- [Roll] Request for Comments for ROLL Charter Ines Robles
- Re: [Roll] Request for Comments for ROLL Charter Turner, Randy
- Re: [Roll] Request for Comments for ROLL Charter Turner, Randy
- Re: [Roll] Request for Comments for ROLL Charter Prof. Diego Dujovne
- Re: [Roll] Request for Comments for ROLL Charter peter van der Stok
- Re: [Roll] Request for Comments for ROLL Charter peter van der Stok