Manufacturing. Smart Home. Smart Metering. Transportation. Smart Building. Entertainment. Healthcare. Retail. Oil&Gas. Smart City.

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3 IETF

4 Public Cloud Private Private Private Cloud Cloud Cloud Cellular Backhaul WiFi 3G,4G 3G,4G 3G,4G 3G,4G WiFi ISA100 Wi WiFi WiFi WiSUN LPWA LPWA LPWA ZigBee ZigBee B-LE LPWA ZigBee WiFi 3G,4G HART DSRC WiFi WiFi ZigBee B-LE B-LE WiFi P Retail Oil&Gas Smart Metering Smart City Agriculture Smart Building Healthcare Smart Home Manufacturing Transportation Entertainment

5 6LoWPAN 6TiSCH RPL Public Cloud Private Private Private Cloud Cloud Cloud Cellular Backhaul WiFi 3G,4G 3G,4G 3G,4G 3G,4G WiFi WiFi ISA100 Wi WiFi WiSUN LPWA DSRC WiFi LPWA WiFi ZigBee B-LE LPWA ZigBee B-LE ZigBee WiFi B-LE LPWA ZigBee WiFi HART 3G,4G P Retail Oil&Gas Smart Metering Smart City Agriculture Smart Building Healthcare Smart Home Manufacturing Transportation Entertainment

6 What are 6LoWPAN protocols? IEEE B frame size. Data Rate: 20~250Kbps Maximize battery life. IPv6 40B Header (Min.) 1280B MTU. ND in multicast. ü IPv6 Header Compression ü IPv6 ND Optimization ü Fragmentation ü Mesh Header 6LN 6LBR 6LR 6LR 6LR 6LR 6LN 6LN 6LN

7 Best case: (48 B à 4 B) DSP IPHC (3 bits) Link-local Multicast: (48 B à 16 B) DSP IPHC (3 bits) LoWPAN_IPHC (13 bits) LoWPAN_NHC UDP (1 byte) IP Hops : (48 B à 42 B) UDP ports (4 bits SRC, 4 bits DST) (1 byte) Full IPv6 Address, Compressed UDP ports e.g 2001:0db8:cafe:cafe:0217:3B00:1111:2222 -> 2001:0db8:beef:beef: :68 DSP IPHC (3 bits) 6LoWPAN-HC ü ü Link local addresses + Compressed IPv6/UDP header e.g. FE80::0217:3B00:1111:2222 -> FE80::0217:3B00:3333:4444 Multicast Address Compression, Compressed UDP ports e.g. FE80::0217:3B00:1111:2222 -> FFxx::00xx:xxxx:xxxx LoWPAN_IPHC (13 bits) LoWPAN_IPHC (13 bits) Hop Limit (1 byte) Hop Limit (1 byte) Destination Multicast Address (6 bytes) Source Address (16 bytes) LoWPAN_NHC UDP (1 byte) Destination Address (16 bytes) UDP ports SRC & DST (4 bytes) LoWPAN_NHC UDP (1 byte) UDP Checksum (2 bytes) UDP ports SRC & DST (4 bytes) Dipatch Field UDP Checksum (2 bytes)

8 IPv6 Neighbor Discovery Optimization 6LoWPAN-ND ü ü self-assigned LLA 6LN RS: SLLAO 6LR 6LBR default route, prefix, contexts, Lifetime Expired RA: PIO+SLLAO+6CO+ABRO NS: ARO+SLLAO NA: ARO Response NS: ARO+SLLAO DAR (ARO+SLLAO) DAC (ARO+SLLAO)

9 IEEE TSCH ü ü A B C D E F G H J K Channel H`àK GàJ AàE CàG EàH JàK BàE FàH Time DàG HàK H`àK GàJ AàE

10 6TiSCH ü Low Power and Lossy Network (LLN) IEEE e TSCH mode IETF ü

11 à à à

12 MP2P P2MP P2P ICMPv6 type (155): RPL Control Messages DIS / DIO for MP2P DAO / DAO-ACK for P2MP DIO+RDO / DRO+RDO / DRO-ACK for P2P 2 IPv6 Extensions RPL SRH in Routing Header: transmission b/w RPL routers. RPL Option for HbH Options Header: exchaning RPL information b/w RPL routers. ICMPv6 Destination Unreachable Code (7) Error in Source Routing Header Root Router Host Traffic Path DIS: DODAG Information Solicitation DIO: DODAG Information Object DAO: Destination Advertisement Object DRO: Discovery Reply Object RDO: Route Discovery Option

13 App 1: Sensor Data Collection Metric: ocp1 = Best link quality (ETX) Constraint-based routing e.g. avoid wireless links à Find alternative path Metric based parent selection Metric: ocp1 = Best link quality 1 hop, ETX = 5 3 hops, ETX = 3 1 Root 0 A 5 B App 2: backbone monitoring Metric: ocp2 = min rank (hopcount) + constraint-based routing E Root C D 3 n wired link wireless link ETX value on link

14 IETF

15 6lo WG IPv6 over Networks of Resource-constrained Nodes (6LoWPAN over Foo) à Internet Area Chairs Samita Chakrabarti Gabriel Montenegro, Microsoft RRC7388: MIB for 6LoWPAN, Oct-2014 RFC7400: 6LoWPAN-GHC, Nov-2014 RFC7428: IPv6 over ITU-T G.9959, Feb-2015 RFC7668: IPv6 over BTLE, Oct-2015 RFC7973: Assignment of an Ethertype for 6LoWPAN

16 6lo WG Active/Related Documents ü ü ü ü

17 6tisch WG IPv6 over the Time Synchronous & Channel Hoppoing mode of IEEE e Internet Area Chairs Pascal Thubert, Cisco Thomas Watteyne, INRIA RFC 7554: Problem Statement

18 6tisch WG Active/Related Documents WG Documents 6top Protocol (6P) 6TiSCH 6top Scheduling Function Zero (SF0) An Architecture for IPv6 over the TSCH mode of IEEE (Dead) Minimal 6TiSCH Configuration (AD Eval.) ü Related I-Ds 6tisch Secure Join protocol Scheduling Function One (SF1) for hop-by-hop Scheduling in 6tisch Networks Minimal Security Framework for 6TiSCH

19 roll WG Routing over Low power and Lossy Networks (IETF95) RFC 6206: RPL, Trickle Algorithm, Mar-2011 RFC 6550: RPL, Core specification, Mar-2012 RFC 6551: RPL, Routing Metrics, Mar-2012 RFC 6552: RPL, Objective Function Zero, Mar-2012 RFC 6553: IPv6 Hop-by-Hop Option for RPL, Mar-2012 RFC 6554: IPv6 Routing Header Option for RPL, Mar-2012 RFC 6719: RPL, MR-HOF, Sep-2012 RFC 6997: P2P-RPL, Reactive Discovery of P2P Routes, Aug-2013 RFC 6998: P2P-RPL, Mechanism to measure the metriccs, Aug-2013 RFC 7731: MPL: core specification, Feb-2016 RFC 7732: MPL: Forwader Policy with Admin-Local Scope, Feb-2016 RFC 7774: MPL: Parameter Configuration Option for DHCPv6 Requirements for Urban, IA, HA, BA Applicability in HA, BA Terminology Security Thread Analysis

20 roll WG Active/Related Documents WG Documents 6LoWPAN Routing Header When to use RFC 6553, 6554 and IPv6-in-IPv6

21 LPWAN LoRaWAN, Sigfox, Weightless, NB-IOT, LTE-MTC Pros. ü ü ü Cons. ü 50 bps ~ 200 kbps ü ISM ü duty cycle ISM 2023 LPWA 30 Machina Research, Feb New Electronics, Machina Research, Dec

22 LPWAN BP : IoT LPWA,

23 LPWAN Haystack, a DASH7 Mode 2 development framework for low power wireless networks by Haystack Technologies. [3] LoRaWAN, [4] Long Range Wide Area Network (WAN), from the LoRa Alliance. On 16 June 2015 version 1.0 of the LoRaWAN specification was released. [5] NarrowBand IoT, (NB-IOT), standardization effort by 3GPP for a LPWAN used in cellular networks, [6] that evolved from Huawei's NB- CIoT effort. [7] LTE Advanced for Machine Type Communications (LTE-MTC), an evolution of LTE communications for connected things by 3GPP. [8] NB-Fi Protocol, from WAVIoT. [9][10] NWave, proprietary technology that also forms the basis of the Weightless protocols [11][12] RPMA, Random Phase Multiple Access, technology from Ingenu, [13] formerly known as On-Ramp Wireless. Senet, public LoRaWAN provider in North America. [14] Symphony Link, LoRa-based platform from Link Labs. [15] Sigfox, UNB-based technology and French company. ThingPark Wireless, platform from Actility (based on LoRaWAN specification). [16] LoRa, proprietary, CSS modulation technology used for LPWAN patented by Semtech by LoRa Alliance used by LoRaWAN and Symphony Link. [17] Weightless, a set of communication standards from the Weightless SIG. UNB, Ultra Narrow Band, modulation technology used for LPWAN by various companies including Telensa, [18] NWave, [19] Weightless- N [20] and Sigfox. [21] Platforms and technologies, wikipedia ( )

24 lpwan WG ü à à ü à à Low Power Wide Area Network Referred to IETF95 LPWAN BOF, Alexander Pelov ü IPv6 over LPWAN à WG SIGFOX, LoRa, WI-SUN, NB-IOT Internet Area Chairs Pascal Thubert, Cisco Alexander Pelov, Acklio : LPWAN specification : IP/UDP compression and fragmentation mechanism : CoAP compression mechanism

25 WAVE ü ü ü ü Higher Layer Standards IEEE , TCC RSU1 Vehicular Cloud RSU2 The Network Configuration for V2I Networking Wired Wireless e.g OCB ad VLC IrDA LTE-D LP-WAN Security IEEE Management IEEE UDP/TCP IPv6 LLC WAVE MAC MAC Sublayer PHY WSMP IEEE IEEE p IEEE p IEEE WAVE Reference Model, IEEE

26 ipwave WG IP over Wireless Access in Vehicular Environments ü ü ü ü Internet Area Chairs Carlos Bernardos, UC3M Russ Housley, Vigil Security : Submit "IPv6 over OCB" to IESG : Submit "ITS General Problem Area" to IESG : Submit "Problem Statement" to IESG

27 ipwave WG IP over Wireless Access in Vehicular Environments Problem Statement for Vehicle-to-Infrastructure Networking ü IPv6 Addressing ü Neighbor Discovery ü IP Address Autoconfiguration ü DNS Naming Service ü IP Mobility Management ü Service Discovery ü Security IESG Host 1 RDNSS 1 Router 1 Host 2 Router 2 Vehicle Router 3 RDNSS 2 Host 3 Router 4 Server 1 Server 2 RSU Internetworking between Vehicle Network and RSU Network Transmission of IP Packets over IEEE in mode Outside the Context of a Basic Service Set IESG Authors: Alexandre Petrescu, CEA, France Nabil Benamar, MoulayIsmail University, Morocco Jerome Haerri, Eurecom, France Christian Huitema Jong-Hyouk Lee, Sangmyung University, South Korea

28 6LoWPAN 6TiSCH RPL IETF 6lo WG 6tisch WG roll WG lpwan WG ipwave WG

29 Q&A