The document discusses the physical design of IoT devices and protocols. It describes that IoT devices have interfaces for sensors, internet connectivity, memory/storage, and audio/video. These devices can exchange data directly or indirectly with other devices. The document then explains several common link layer, network/internet layer, and transport layer protocols used in IoT including Ethernet, WiFi, TCP, and UDP. It also distinguishes between IoT network protocols like HTTP, LoRaWAN, Bluetooth, and Zigbee that connect devices over networks, and IoT data protocols like MQTT, CoAP, AMQP, M2M, and XMPP that provide point-to-point device connectivity without an internet connection.
This IOT architecture describes about how things get connected via internet.In short, the Internet of Things refers to the rapidly growing network of connected objects that are able to collect and exchange data using embedded sensors. Thermostats, cars, lights, refrigerators, and more appliances can all be connected to the IoT.In short, the Internet of Things refers to the rapidly growing network of connected objects that are able to collect and exchange data using embedded sensors. Thermostats, cars, lights, refrigerators, and more appliances can all be connected to the IoT.
THIS DESCRIBES VARIOUS ELEMENTS OF TRANSPORT PROTOCOL IN TRANSPORT LAYER OF COMPUTER NETWORKS
THERE ARE SIX ELEMENTS OF TRANSPORT PROTOCOL NAMELY
1. ADDRESSING
2. CONNECTION ESTABLISHMENT
3.CONNECTION REFUSE
4.FLOW CONTROL AND BUFFERS
5.MULTIPLEXING
6.CRASH RECOVERY
This IOT architecture describes about how things get connected via internet.In short, the Internet of Things refers to the rapidly growing network of connected objects that are able to collect and exchange data using embedded sensors. Thermostats, cars, lights, refrigerators, and more appliances can all be connected to the IoT.In short, the Internet of Things refers to the rapidly growing network of connected objects that are able to collect and exchange data using embedded sensors. Thermostats, cars, lights, refrigerators, and more appliances can all be connected to the IoT.
THIS DESCRIBES VARIOUS ELEMENTS OF TRANSPORT PROTOCOL IN TRANSPORT LAYER OF COMPUTER NETWORKS
THERE ARE SIX ELEMENTS OF TRANSPORT PROTOCOL NAMELY
1. ADDRESSING
2. CONNECTION ESTABLISHMENT
3.CONNECTION REFUSE
4.FLOW CONTROL AND BUFFERS
5.MULTIPLEXING
6.CRASH RECOVERY
What is the application protocol for IoT.pdfashumasih3
The application protocols of IoT enable network entities to identify and interact with each other. The application protocols form the functional blocks of IoT. It determines the application's complexity. the logical design of IoT system is the actual design of the configuration and assembly of its components (computers, sensors, and actuators).
Introduction to IoT
Defining IoT,
Characteristics of IoT,
Physical design of IoT,
Logical design of IoT,
Functional blocks of IoT,
Brief review of applications of IoT.
Smart Object
Definition,
Characteristics and Trends
Text Book
1. Arsheep Bahga (Author), Vijay Madisetti, Internet Of Things: A Hands-On Approach
Paperback, Universities Press,
Reprint 2020
2. David Hanes, Gonzalo Salgueiro, Patrick Grossetete, Robert Barton, Jerome Henry,
IoT Fundamentals Networking Technologies, Protocols, and Use Cases for the Internet of
Things CISCO.
Internet of Things.
CSDLO5013
The Internet of Things (IoT): A Comprehensive Overview
Introduction:
The Internet of Things (IoT) is a revolutionary concept that has transformed the way we interact with the world around us. It refers to the network of physical devices, vehicles, appliances, and other objects embedded with sensors, software, and connectivity capabilities to exchange data and communicate with each other through the internet. This comprehensive overview will delve into the various aspects of IoT, including its definition, key components, applications, challenges, and future prospects.
Definition and Key Components of IoT:
The IoT encompasses a vast ecosystem of interconnected devices that work together to collect and exchange data. Key components of IoT include:
Devices and Sensors: IoT devices are physical objects embedded with sensors, actuators, and connectivity modules that enable them to gather and transmit data. These devices can range from simple sensors like temperature or motion sensors to complex devices like smart appliances, wearables, and industrial machinery.
Connectivity: IoT devices rely on various communication protocols and technologies to connect and exchange data. These include Wi-Fi, Bluetooth, Zigbee, NFC, cellular networks, and more recently, low-power wide-area networks (LPWAN) like LoRaWAN and NB-IoT.
Cloud Computing: IoT devices generate enormous amounts of data, which are typically processed and stored in the cloud. Cloud computing provides the infrastructure and services required to process and analyze this data, enabling real-time insights and remote management of IoT devices.
Data Analytics and Artificial Intelligence (AI): IoT generates massive volumes of data, often referred to as big data. Data analytics and AI techniques are employed to derive valuable insights from this data, enabling predictive analysis, anomaly detection, and optimization of IoT systems.
Applications of IoT:
Smart Homes and Buildings: IoT enables the creation of smart homes and buildings where devices like thermostats, lighting systems, security cameras, and appliances can be interconnected and controlled remotely. This allows for energy optimization, enhanced security, and increased convenience.
Industrial Internet of Things (IIoT): IIoT refers to the integration of IoT technologies in industrial settings. It enables real-time monitoring, predictive maintenance, and optimization of industrial processes, leading to increased efficiency, reduced downtime, and cost savings.
Healthcare: IoT has transformative applications in healthcare, including remote patient monitoring, wearable devices for health tracking, smart medical devices, and real-time health data analysis. These advancements enhance patient care, enable early detection of diseases, and improve overall healthcare outcomes.
Smart Cities: IoT can be utilized to create smart cities by integrating various systems such as transportation, infrastructure, energy management, waste management, and p
IOT and its communication models and protocols.pdfMD.ANISUR RAHMAN
A brief visual description of the Internet of Things and how it works. Then, we will learn about the communication models of IoT and how their structure defines them. Then we will go for the IoT protocols and know about different types of protocols. At last, we will see some applications of IoT.
Bridging the Digital Gap Brad Spiegel Macon, GA Initiative.pptxBrad Spiegel Macon GA
Brad Spiegel Macon GA’s journey exemplifies the profound impact that one individual can have on their community. Through his unwavering dedication to digital inclusion, he’s not only bridging the gap in Macon but also setting an example for others to follow.
1.Wireless Communication System_Wireless communication is a broad term that i...JeyaPerumal1
Wireless communication involves the transmission of information over a distance without the help of wires, cables or any other forms of electrical conductors.
Wireless communication is a broad term that incorporates all procedures and forms of connecting and communicating between two or more devices using a wireless signal through wireless communication technologies and devices.
Features of Wireless Communication
The evolution of wireless technology has brought many advancements with its effective features.
The transmitted distance can be anywhere between a few meters (for example, a television's remote control) and thousands of kilometers (for example, radio communication).
Wireless communication can be used for cellular telephony, wireless access to the internet, wireless home networking, and so on.
This 7-second Brain Wave Ritual Attracts Money To You.!nirahealhty
Discover the power of a simple 7-second brain wave ritual that can attract wealth and abundance into your life. By tapping into specific brain frequencies, this technique helps you manifest financial success effortlessly. Ready to transform your financial future? Try this powerful ritual and start attracting money today!
# Internet Security: Safeguarding Your Digital World
In the contemporary digital age, the internet is a cornerstone of our daily lives. It connects us to vast amounts of information, provides platforms for communication, enables commerce, and offers endless entertainment. However, with these conveniences come significant security challenges. Internet security is essential to protect our digital identities, sensitive data, and overall online experience. This comprehensive guide explores the multifaceted world of internet security, providing insights into its importance, common threats, and effective strategies to safeguard your digital world.
## Understanding Internet Security
Internet security encompasses the measures and protocols used to protect information, devices, and networks from unauthorized access, attacks, and damage. It involves a wide range of practices designed to safeguard data confidentiality, integrity, and availability. Effective internet security is crucial for individuals, businesses, and governments alike, as cyber threats continue to evolve in complexity and scale.
### Key Components of Internet Security
1. **Confidentiality**: Ensuring that information is accessible only to those authorized to access it.
2. **Integrity**: Protecting information from being altered or tampered with by unauthorized parties.
3. **Availability**: Ensuring that authorized users have reliable access to information and resources when needed.
## Common Internet Security Threats
Cyber threats are numerous and constantly evolving. Understanding these threats is the first step in protecting against them. Some of the most common internet security threats include:
### Malware
Malware, or malicious software, is designed to harm, exploit, or otherwise compromise a device, network, or service. Common types of malware include:
- **Viruses**: Programs that attach themselves to legitimate software and replicate, spreading to other programs and files.
- **Worms**: Standalone malware that replicates itself to spread to other computers.
- **Trojan Horses**: Malicious software disguised as legitimate software.
- **Ransomware**: Malware that encrypts a user's files and demands a ransom for the decryption key.
- **Spyware**: Software that secretly monitors and collects user information.
### Phishing
Phishing is a social engineering attack that aims to steal sensitive information such as usernames, passwords, and credit card details. Attackers often masquerade as trusted entities in email or other communication channels, tricking victims into providing their information.
### Man-in-the-Middle (MitM) Attacks
MitM attacks occur when an attacker intercepts and potentially alters communication between two parties without their knowledge. This can lead to the unauthorized acquisition of sensitive information.
### Denial-of-Service (DoS) and Distributed Denial-of-Service (DDoS) Attacks
APNIC Foundation, presented by Ellisha Heppner at the PNG DNS Forum 2024APNIC
Ellisha Heppner, Grant Management Lead, presented an update on APNIC Foundation to the PNG DNS Forum held from 6 to 10 May, 2024 in Port Moresby, Papua New Guinea.
Multi-cluster Kubernetes Networking- Patterns, Projects and GuidelinesSanjeev Rampal
Talk presented at Kubernetes Community Day, New York, May 2024.
Technical summary of Multi-Cluster Kubernetes Networking architectures with focus on 4 key topics.
1) Key patterns for Multi-cluster architectures
2) Architectural comparison of several OSS/ CNCF projects to address these patterns
3) Evolution trends for the APIs of these projects
4) Some design recommendations & guidelines for adopting/ deploying these solutions.
2. PHYSICAL DESIGN OF IoT
Things in IoT
The word “Things” refers to IoT devices which have unique identities and can perform
remote sensing, actuating and monitoring capabilities.
These devices can exchange and communicate with each other.
The IoT devices consists of several interfaces for connection to other devices both wired
and wireless which includes
1. I/O interfaces for sensors
2. Interfaces for internet connectivity
3. Memory and storage
4. Audio and video interface
3. IoT devices can:
Exchange data with other connected devices and applications (directly or
indirectly), or
Collect data from other devices and process the data locally or
Send the data to centralized servers or cloud-based application back-ends for
processing the data, or
Perform some tasks locally and other tasks within the IoT infrastructure, based on
temporal and space constraint
4. IoT Protocols
Link Layer
This protocol determines how the data is physically sent over the network layer (e.g.
copper wire, coaxial cable or a radio wave).
It determines how the packet are coded and signaled by the hardware device over the
medium to which the host is attached.
Example:- 1. IEEE 802.3--Ethernet (wired connection) 2. 802.11 –Wi-Fi 3. 802.16—WiMax 4.
2G/3G/4G—Mobile communication
Network/Internet Layer
The network layers are responsible for sending of IP datagram’s from the source network
to the destination network.
It performs host addressing and packet routing.
The datagram’s consists of source and destination addresses where host identifies using
IP schemes as IPV4 and IPV6.
IPV4:- It is used to identify the devices on a network using hierarchical addressing scheme. It
uses 32- bit address that allows total 2^32 or 4 billion devices 128
IPV6:- It is the new version of internet protocol which uses 128-bits address that allows 2^128 or 3
X 10^38 address.
5. Transport Layer
The transport layer protocols provide end to end message transfer capability
independent of the underlying network.
The function of the transport layer is to provide functions such as error
control, segmentation, floe control and congestion control.
TCP: - It is most widely used for data transmission in communication network
such as internet .
it provides process to process communication using port numbers.
It uses port number for communication which keeps Track of segments that are
received and transmitted.
UDP: - It is the simplest protocol that involves minimum amount of
communication mechanism.
It is connectionless, unreliable transport protocol.
It does not provide guaranteed delivery of the message.
6. Types of IoT Protocols IoT protocols and standards can be broadly classified into two
separate categories.
1. IoT Network Protocols
IoT network protocols are used to connect devices over the network.
These are the set of communication protocols typically used over the Internet.
Using IoT network protocols, end-to-end data communication within the scope of the network
is allowed. Following are the various IoT Network protocols:
HTTP (HyperText Transfer Protocol) HyperText Transfer Protoco: It l is the best example of IoT
network protocol.
This protocol has formed the foundation of data communication over the web.
It is the most common protocol that is used for IoT devices when there is a lot of data to be
published.
However, the HTTP protocol is not preferred because of its cost, battery-life, energy saving,
and more constraints.
Additive manufacturing/3D printing is one of the use cases of the HTTP protocol.
It enables computers to connect 3D printers in the network and print three-dimensional objects
and pre-determined process prototypes.
7. LoRaWan (Long Range Wide Area Network)
It is a long-range low power protocol that provides signal detection below the noise
level.
LoRaWan connects battery operated things wirelessly to the Internet in either private or
global networks.
This communication protocol is mainly used by smart cities, where there are millions of
devices that function with less power and memory.
Smart street lighting is the practical use case of LoRaWan IoT protocol.
The street lights can be connected to a LoRa gateway using this protocol.
The gateway, in turn, connects to the cloud application that controls the intensity of light
bulbs automatically based on the ambient lighting, which helps in reducing the power
consumption during day-times.
8. Bluetooth
Bluetooth is one of the most widely used protocols for short-range communication.
It is a standard IoT protocol for wireless data transmission.
This communication protocol is secure and perfect for short-range, low-power, low-cost,
and wireless transmission between electronic devices.
BLE (Bluetooth Low Energy) is a low-energy version of Bluetooth protocol that reduces the
power consumption and plays an important role in connecting IoT devices.
Bluetooth protocol is mostly used in smart wearables, smartphones, and other mobile
devices, where small fragments of data can be exchanged without high power and
memory.
Offering ease of usage, Bluetooth tops the list of IoT device connectivity protocols
9. ZigBee
ZigBee is an IoT protocol that allows smart objects to work together. It is
commonly used in home automation.
More famous for industrial settings, ZigBee is used with apps that support low-rate
data transfer between short distances.
Street lighting and electric meters in urban areas, which provides low power
consumption, use the ZigBee communication protocol.
It is also used with security systems and in smart homes.
10. 2. IoT Data Protocols
IoT data protocols are used to connect low power IoT devices.
These protocols provide point-to-point communication with the hardware at the user side
without any Internet connection.
Connectivity in IoT data protocols is through a wired or a cellular network
Some of the IoT data protocols are:
Message Queue Telemetry Transport (MQTT) :
One of the most preferred protocols for IoT devices, MQTT collects data from various electronic devices
and supports remote device monitoring.
It is a subscribe/publish protocol that runs over Transmission Control Protocol (TCP), which means it
supports event-driven message exchange through wireless networks.
MQTT is mainly used in devices which are economical and requires less power and memory.
For instance, fire detectors, car sensors, smart watches, and apps for text-based messaging.
11. Constrained Application Protocol (CoAP)
CoAP is an internet-utility protocol for restricted gadgets.
Using this protocol, the client can send a request to the server and the server can send
back the response to the client in HTTP.
For light-weight implementation, it makes use of UDP (User Datagram Protocol) and
reduces space usage.
The protocol uses binary data format EXL (Efficient XML Interchanges).
CoAP protocol is used mainly in automation, mobiles, and microcontrollers.
The protocol sends a request to the application endpoints such as appliances at homes
and sends back the response of services and resources in the application.
12. Advanced Message Queuing Protocol (AMQP) AMQP
It is a software layer protocol for message-oriented middleware environment that
provides routing and queuing.
It is used for reliable point-to-point connection and supports the seamless and
secure exchange of data between the connected devices and the cloud.
AMQP consists of three separate components namely Exchange, Message
Queue, and Binding.
All these three components ensure a secure and successful exchange and
storage of messages.
It also helps in establishing the relationship of one message with the other.
AMQP protocol is mainly used in the banking industry.
Whenever a message is sent by a server, the protocol tracks the message until
each message is delivered to the intended users/destinations without failure.
13. Machine-to-Machine (M2M) Communication Protocol
It is an open industry protocol built to provide remote application management
of IoT devices.
M2M communication protocols are cost-effective and use public networks.
It creates an environment where two machines communicate and exchange
data.
This protocol supports the self-monitoring of machines and allows the systems to
adapt according to the changing environment.
M2M communication protocols are used for smart homes, automated vehicle
authentication, vending machines, and ATM machines.
14. Extensible Messaging and Presence Protocol (XMPP)
The XMPP is uniquely designed. It uses a push mechanism to exchange messages
in real-time.
XMPP is flexible and can integrate with the changes seamlessly.
Developed using open XML (Extensible Markup Language), XMPP works as a
presence indicator showing the availability status of the servers or devices
transmitting or receiving messages.
Other than the instant messaging apps such as Google Talk and WhatsApp,
XMPP is also used in online gaming, news websites, and Voice over Internet
Protocol (VoIP).
15. Application Layer
An application layer protocol defines how application processes (clients
and servers), running on different end systems, pass messages to each
other.
In particular, an application layer protocol defines:
The types of messages, e.g., request messages and response messages.
The syntax of the various message types, i.e., the fields in the message and how
the fields are delineated.
The meaning of the information that the field is supposed to contain. •
Rules for determining when and how a process sends messages and responds to
messages.