Contents I. Introduction
Internet of Things (IoT) [1], [2] is the foundaion of future networks. Its diversified support and network service for everything at everywhere is able to enfold almost all applications of communication networks. IoT [3] is loosely defined an interconnected sustainable network of various “things” supporting wide range of technologies that enable access, process, and pass on information among the devices via the Internet. Despite its availability and standardization, IoT still needs to address the issues such as addressing, routing, resource optimization, security etc. [4], [5]. The IoT device specifications and services are standardized by IEEE 802.15.4 [6] to communicate over low-data rate wireless personal area networks (LR-WPAN). The 6LoWPAN provides the functionality required to support IPv6 addressing and routing over IEEE 802.15.4 networks. The Time Slotted Channel Hopping (TSCH) for link layer in IEEE802.15.4e supports communication for IoT devices in industrial applications. In 2015, IEEE 802.15.4e TSCH [7] is standardized and officially called as 6TiSCH. The objective of 6TiSCH is to standardize the missing control plane between the routing and the link layer, and to adapt IPv6 for industry communication standards. The other features of 6TiSCH includes an optional neighbor discovery procedure in 6LowPAN, a secure join process, stateless header compression adaptation between TSCH MAC and the Routing layer.
