Table 2.

Key to Abbreviations used in the Paper.

Abbreviation	Description
ADC	Analog-to-Digital
API	Application Programming Interface
AUVs	Autonomous Underwater Vehicles
DAC	Digital-to- Analog
DAQ	Data Acquisition
IIoT	Industry Internet of Things
IoT	Internet of Things
IoUT	Internet of Underwater Things
M2M	Machine-to-Machine
Mbps	Megabits per second
ROVs	Remotely Operative Underwater Vehicles
SDN	Software Define Networking
SOFAR	Sound Fixing and Ranging
TTL	Time to live
UWSNs	Underwater Wireless Sensor Networks
WSN	Wireless Sensor Networks