Comparison Between MQTT and WebSocket Protocols for IoT Applications Using ESP8266

Oliveira, Guilherme M. B.; Costa, Danielly C. M.; Cavalcanti, Ricardo J. B. V. M.; Oliveira, Josiel P. P.; Silva, Diego R. C.; Nogueira, Marco Aurélio; Rodrigues, Marconi C.

doi:10.1109/metroi4.2018.8428348

Cited by 32 publications

(16 citation statements)

References 3 publications

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“…An example of an IoT architecture than could be applied in complex smart environments, such as smart campuses, is the SaIoT (Smart Automation using Internet of Things) architecture [37][38][39], which was first developed for smart home and building applications. This architecture has been successfully in many measurement applications, such as water and electric energy consumption [40,41], by also including the computation of proper KPIs.…”

Section: The Role Of Iot In Smart Environmentsmentioning

confidence: 99%

On the Use of LoRaWAN for the Monitoring and Control of Distributed Energy Resources in a Smart Campus

et al. 2020

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The application of the most recent advances of the Internet-of-Things (IoT) technology to the automation of buildings is emerging as a promising solution to achieve greater efficiencies in energy consumption, and to allow the realization of sustainable models. The application of IoT has been demonstrated as effective in many fields, such as confirmed, for instance, by the Industry 4.0 concepts, which are revolutionizing modern production chains. By following this approach, the use of distributed control architectures and of IoT technologies (both wired and wireless) would result in effective solutions for the management of smart environments composed of groups of buildings, such as campuses. In this case, heterogeneous IoT solutions are typically adopted to satisfy the requirements of the very diverse possible scenarios (e.g., indoor versus outdoor coverage, mobile versus fixed nodes, just to mention a few), making their large-scale integration cumbersome. To cope with this issue, this paper presents an IoT architecture able to transparently manage different communication protocols in smart environments, and investigates its possible application for the monitoring and control of distributed energy resources in a smart campus. In particular, a use–case focused on the integration of the Long Range Wide Area Network (LoRaWAN) technology is considered to cope with heterogeneous indoor and outdoor communication scenarios. The feasibility analysis of the proposed solution is carried out by computing the scalability limits of the approach, based on the proposed smart campus data model. The results of the study showed that the proposed solution would be able to manage more than 10,000 nodes. An experimental validation of the LoRaWAN technology confirms its suitability in terms of coverage and latency, with a minimum LoRaWAN cell coverage range of 250 m, and a communication latency of about 400 ms. Finally, the advantages of the proposed solution in the supervision and management of a PV system are highlighted in a real-world scenario.

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Section: The Role Of Iot In Smart Environmentsmentioning

confidence: 99%

On the Use of LoRaWAN for the Monitoring and Control of Distributed Energy Resources in a Smart Campus

et al. 2020

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“…There are various protocols used with IoT devices such as Message Queuing Telemetry Transport (MQTT) protocol, WebSockets, and Constrained Application Protocol (CoAP). MQTT is a lightweight protocol used for exchanging messages based on the publish-subscribe standard between servers and clients [20]. WebSocket protocol is a bidirectional communication protocol.…”

Section: Literature Reviewmentioning

confidence: 99%

A Novel Approach towards the Design and Implementation of Virtual Network Based on Controller in Future IoT Applications

et al. 2020

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The Internet of Things refers (IoT) to the billions of physical devices around the globe that are connected to the Internet, collecting and sharing data. The overall Internet of Things market is projected to be worth more than 50.6 billion U.S. dollars in 2020. IoT devices possess low processing capabilities, limited memory, limited storage, and minimal network protocol support. With the help of cloud computing technology, we can overcome the limited resources of IoT devices. A lot of research has been conducted on IoT device virtualization to facilitate remote access and control. The concept of virtualization in IoT is to provide a virtual representation of physical devices in the form of virtual objects. IoT devices are more likely to be accessed and communicate through virtual objects in the near future. In this paper, we present the design and implementation of building a virtual IoT network for a smart home. The virtual network is based on virtual objects and IoT controller. We derived the concept from Software Defined Network (SDN) and separated the control plane and data plane in the virtual IoT network. This enhanced the rapid development of diverse applications on top of the virtualization layer by establishing a dynamic end-to-end connection between IoT devices. This article briefly explains the design and development of the virtual network. Results achieved during experiments and performance analysis show that IoT controller enhances the capabilities of a virtual network by dynamically controlling the traffic congestion, handling mapping requests, and routing mechanisms.

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“…With the growing courtesy in the direction of IoTs, several modus operandi have been projected to superlatively provision the IoT design. MQTT [13], CoAP, Websocket [14] and AMQP [15] are the widespread ones. IoT nodes are lacking in resource strained, i.e.…”

Section: Functional Architecturementioning

confidence: 99%

Blockchain in internet‐of‐things: a necessity framework for security, reliability, transparency, immutability and liability

et al. 2019

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Comparison Between MQTT and WebSocket Protocols for IoT Applications Using ESP8266

Cited by 32 publications

References 3 publications

On the Use of LoRaWAN for the Monitoring and Control of Distributed Energy Resources in a Smart Campus

On the Use of LoRaWAN for the Monitoring and Control of Distributed Energy Resources in a Smart Campus

A Novel Approach towards the Design and Implementation of Virtual Network Based on Controller in Future IoT Applications

Blockchain in internet‐of‐things: a necessity framework for security, reliability, transparency, immutability and liability

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