Evaluation of MQTT and CoAP for Vehicle Traffic Monitoring

Puangnak, Korn; Puisamlee, Wiput; Puangnak, Krerk; Rachsiriwatcharabul, Natworapol

doi:10.1109/ecti-con47248.2019.8955379

Cited by 2 publications

(2 citation statements)

References 9 publications

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“…Eclipse was used as a development environment, able to interface with the simulator through the SumoTraciConnection library [ 48 ]. To carry out the communication between vehicles and MEC server and between vehicles and Cloud server, the CoAP protocol [ 53 ] was chosen using the Californium library written in Java [ 54 ]. Each vehicle was created as a CoAP client, and, periodically, makes requests to the MEC or Cloud server acting as CoAP server.…”

Section: Software Implementationmentioning

confidence: 99%

See 1 more Smart Citation

SCARE: A Novel Switching and Collision Avoidance pRocEss for Connected Vehicles Using Virtualization and Edge Computing Paradigm

Tropea

Rango

Nevigato³

et al. 2021

Sensors

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In this paper, some collision avoidance systems based on MEC in a VANET environment are proposed and investigated. Micro services at edge are considered to support service continuity in vehicle communication and advertising. This considered system makes use of cloud and edge computing, allowing to switch communication from edge to cloud server and vice versa when possible, trying to guarantee the required constraints and balancing the communication among the servers. Simulation results were used to evaluate the performance of three considered mechanisms: the first one considering only edge with load balancing, the second one using edge/cloud switching and the third one using edge with load balancing and collision avoidance advertising.

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Section: Software Implementationmentioning

confidence: 99%

“…Servers were implemented in Java language and use CoAP protocol [ 53 ] to communicate with vehicles and each other. For the management of switching mechanism, two paradigms were used.…”

Section: Software Implementationmentioning

confidence: 99%