Table 3 Experiment parameters

Equipment and Devices

Cloud platform

Microsservices/docker containers

MQTT Broker

Mosquitto on the Huawei cloud

AMQP Broker

RabbitMQ on the Huawei cloud

DDS

OpenDDS on the Huawei cloud

6LBR

Launchpad CC2650

IoT Gateway

Raspberry pi model 3B

Ultra-low-power devices

Sensortag CC2650

Remote CC2538

High capacity devices

Raspberry Pi model 3B

Raspberry Pi Zero W

Cloud platform parameters

Platform

FIWARE-based

Context-Broker

Orion 2.3.0

Database

Mongo DB 3.6

ultra-low-power devices features

Resource

Sensortag

Remote

TX current

7.9 mA

24 mA

RX current

6 mA

20 mA

LPM current

0.55 mA

0.60 mA

CPU current

3.48 mA

20 mA

Microcontroller

CC2650 (48 MHz ARM Cortex M3)

CC2538 (32 MHz ARM Cortex M3)

ROM

128 KB

512 KB

RAM

20 KB

32 KB

OS

Contiki-NG

TSCH schedule

Minimal

High capacity devices features

Resource

Rasp. Pi model 3B

Rasp. Pi Zero W

CPU

1.2 GHz 64-bit quad core ARM Cortex-A53

1 GHz ARM11 32-bit

Flash memory

32 GB

32 GB

RAM

1 GB

512 MB

802.11 active (headless)*

225.17 mA

95.15 mA

OS

Raspbian release 10

LWPubSub message structure parameters

Domain

99

Sensortag deviceID

00124b05257a

Remote deviceID

00124b4a527d

Rasp. Pi 3B deviceID

0012eb00f6d0

Rasp. Pi Zero W deviceID

0012ebc894cb

objectID

3303, 3311, and 3338

ultra-low-power devices security

Payload with AES-CCM-8

High capacity devices security

TLS + payload with AES-CCM-8