This document contains lists of abbreviations and symbols used throughout a paper on Internet of Things. There are over 50 abbreviations for concepts, protocols, and technologies related to IoT listed, such as IoT, WSN, MQTT, CoAP, HTTP, and more. There are also over 20 symbols defined for variables, parameters, and mathematical terms used in equations and formulas relating to reliability, performance, and probability distributions for IoT systems.

1. xxi
LIST OF ABBREVIATIONS & SYMBOLS
ABBREVIATIONS
IoT - Internet of Things
WSN - Wireless Sensor Network
WSAN - Wireless Sensor Actuator network
LED - Light Emitting Diode
LM - Linear Monolithic
DHT - Digital Humidity Temperature
LDR - Light Dependent Resistor
MQTT - Message Queuing Telemetry and Transport
GSN - Global Sensor Network
SSW - Semantic Sensor Web
IrisNet - Internet-scale Resource-Intensive Sensor Network
Services
LoWPAN - Low-Rate Wireless Personal Area Networks
Minos - Message Identification and Online Storage
Desthino - Distributed Embedded Systems Online
IPSO - IP Smart Objects
CoAP - Constrained Application Protocol
FIT - Future Internet Testing
IoT-GSI - Global Standards Initiative on Internet of Things
PWM - Pulse Width Modulation
HTTP - Hyper Text Transfer Protocol
HTTPS - Hyper Text Transfer Protocol Secure

2. xxii
FTP File Transfer Protocol
IETF - Internet Engineering Task Force
IBM - International Business Machines
UDP - User Datagram Protocol
TCP - Transmission Control Protocol
DTLS - Datagram Transport Layer Security
TLS - Transport Layer Security
SSL - Secure Socket Layer
XML - Extensible Markup Language
JSON - JavaScript Object Notation
CSV - Comma Separated Variable
REST - REpresentational State Transfer
GSM - Global System for Mobile
RGB - Red Green Blue
ID - Identification
OS - Operating System
UI - User Interface
PHP - Personal Home Page
DB - Database
XAMPP - Cross-Platform Apache MySQL PHP Perl
IP - Internet Protocol
DNS - Domain Name System
ESP - Espresiff Systems
SMS - Short Message Service
USB - Universal Serial Bus
IPv4 - Internet Protocol Version 4

3. xxiii
IPv6 - Internet Protocol Version 6
QoS - Quality of Service
CPU - Central Processing Unit
LCD - Liquid Crystal Display
SIM - Subscriber Identification Module
IDE - Integrated Development Environment
POSIX - Portable Operating System Interface
ASPI - Advanced Small Computer System Interface
Programming Interface
MBPS
µIP
µIPv6
- Mega Bits Per Second
Micro Internet Protocol
Micro Internet Protocol version 6
SYMBOLS
Si - ith
sensor service, i ∈ 1 to n
Pj - jth
parameter of each sensor, j ∈ 1 to m
Ai - ith
Actuator, i ∈ 1 to n
Kj - jth
instance of Ai, j ∈ 1 to m
Pli - ith
Platform, i ∈ 1 to n
ti - Time between failures
tj - Time to restore
S - At least one successful resource
F - Failure with degrading or nil available resource
N - Number of platforms offered for service
Aci - Academician, i ∈ 1 to n
Ii - Industrialist, i ∈ 1 to n

4. xxiv
Di - Data analyst, i ∈ 1 to n
Ri - Researcher, i ∈ 1 to n
Ni - Novice user, i ∈ 1 to n
R - Reliability
P′
- Performance
L - Low
M - Medium
H - High
P(R=ri,P′
=Pi
′
) - Probability that R takes ri and P′
takes pi
′
, i=l,m,h
P(ri,pi
′
) - Probability mass function, i=l,m,h
PR(ri) - Marginal probability function of reliability R, i=l,m,h
(ri,pio) - Marginal distribution of reliability
(rio,p′i) - Marginal distribution of performance
PP
′
(pi
′
) - Marginal probability function of performance, i=l,m,h
f(R,P′
)/f(P′
=low) - Conditional distribution of reliability, P′
=low
f(R,P′
)/f(P′
=medium) - Conditional distribution of reliability P′
=medium
Tl - f(P′
=low)
Tm - f(P′
=medium)