Abstract
Internet of Things(IoT) in recent days playing a vital role in networking related applications. However,
there are several protocols available for building IoT applications, but RPL and CoAP are important
protocols.There is a customized protocol requirement for specific IoT applications, while working on
specific research problems. Further, adequate platforms are required to evaluate the performance of these
protocols. These platforms need to be configured for the protocol, which is very crucial and timeconsuming task. At present, there is no collective and precise information available to carry out this work.
This paper discusses two different open source platforms available for IoT. Also,various IoT research ideas
need to design of IoT protocols. A few IoT communication technologies are mentioned in the paper. The
detail analysis of, two common protocols, namely Routing Protocol for Low-Power Lossy Networks (RPL)
and Constrained Application layer protocol (CoAP) is carried out with respect to latency delay and packet
delivery ratio. The results, discussion and conclusion presented in this paper are useful for researchers,
who are interested to work with IoT protocols and standards.
Description
Wireless Sensor Network (WSN) [4] technologies exist across a number of fields in today’s
modern lifestyle. The communicating, actuating network of sensors and actuators connected to the
Internet is known as Internet of Things (IoT) [1]. It is the collaboration of physical and virtual
world together mostly without human interaction.The different essences of this basic are very
famous in the research community such as: Industrial IoT(IIoT) [1], Internet of Everything (IoE)
[1], etc. It is an emergent area, which connects all types of vehicles, industrial components, and
sensors to the Internet with the help of cloud process. It has the capacity to transform everybody’s
life. IoT devices use both wired and wireless for communication.Numerous smart applications of
IoT available for homes, cities, logistics and agriculture[2]. The smart device intelligence makes
IoT vision very similar to reality. IoT mechanism depends on a reliable less-power wireless
technology and a communication protocol stack for the devices. The IETF (Internet Engineering
Task Force)[1] has defined a protocol stack for a limited resource devices. It includes IPv6 lowpower wireless personal area network (6LoWPAN) ,IEEE802.15.4, RPL [23],and CoAP
[24][21].6LoWPAN architectures are of different types as described in [3][4].The Fig.2.1 in paper
[4] depicts 3-layer architecture model.
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