The document outlines various types of computer networks, including Personal Area Networks (PAN), Local Area Networks (LAN), Wireless LANs (WLAN), Metropolitan Area Networks (MAN), Wide Area Networks (WAN), Campus Area Networks (CAN), Storage Area Networks (SAN), Virtual Private Networks (VPN), and Enterprise Private Networks (EPN). Each type is described with its characteristics, examples, use cases, advantages, and disadvantages. The information highlights the range, purpose, and deployment considerations of these network types.

1. Types of Networks

2. • In computer networking, there are various types of networks
classified based on their size, range, and purpose. Here are the
most common types:
• 1.PAN
• 2.LAN
• 3.WLAN
• 4.MAN
• 5.WAN
• 6.CAN
• Some other types of network are
• 7.SAN
• 8.VPN
• 9.EPN

3. • 1. Personal Area Network (PAN)
• Description:
• A PAN is the smallest type of network, typically used for
connecting devices within a single person's workspace. It covers
a very limited area, usually a few meters.
• Examples:
• Connecting a smartphone to a laptop via Bluetooth.
• A smartwatch syncing data with a smartphone.
• Use Cases:
• Personal devices communication, such as transferring files
between a smartphone and a computer.
• Connecting peripheral devices like printers or headsets to a computer.

5. • Advantages:
• Convenience: Easy to set up and manage, typically requiring
minimal configuration.
• Cost-effective: Usually involves low-cost or built-in technologies
like Bluetooth or USB.
• Mobility: Devices can move within a small range without losing
connectivity.
• Disadvantages:
• Limited range: Covers a very small area, usually a few meters.
• Limited devices: Can only connect a few devices at a time.
• Security risks: May be vulnerable to unauthorized access if not properly
secured.

6. • 2. Local Area Network (LAN)
• Description:
• A LAN connects devices within a small geographic area, such as a
home, office, or a building. LANs are commonly used for sharing
resources like files, printers, and internet connections among
connected devices.
• Examples:
• A home Wi-Fi network.
• A corporate network in an office building.
• Use Cases:
• Networking computers within a single building to share files and
printers.
• Connecting devices in a school or business for collaborative work.

8. • Advantages:
• High speed: Provides fast data transfer rates, making it suitable for
applications that require high bandwidth.
• Resource sharing: Allows multiple users to share resources like printers,
files, and internet connections.
• Scalability: Can easily expand by adding more devices or connecting
additional LANs.
• Disadvantages:
• Limited coverage: Only covers a small area, usually within a building or a
campus.
• Installation cost: Setting up a LAN, particularly in large buildings, can be
expensive due to cabling and equipment costs.
• Maintenance: Requires ongoing management and maintenance, including network
security and performance monitoring.

9. • 3. Wireless Local Area Network (WLAN)
• Description:
• WLAN is similar to a LAN but uses wireless technology (Wi-Fi) to
connect devices. WLANs provide the flexibility to connect multiple
devices without the need for physical cables.
• Examples:
• A Wi-Fi network in a home or coffee shop.
• Wireless networks in schools, libraries, or offices.
• Use Cases:
• Providing wireless internet access in homes, offices, and public
spaces.
• Connecting laptops, smartphones, and other wireless devices to the
network.

11. • Advantages:
• Mobility: Allows users to connect to the network from anywhere within the
wireless range.
• Easy installation: No need for extensive cabling, making it easier and
cheaper to set up compared to wired LANs.
• Flexibility: Devices can be easily added or removed from the network
without the need for additional cabling.
• Disadvantages:
• Interference: Susceptible to interference from other wireless devices,
physical obstructions, and radio frequency (RF) noise.
• Security: Wireless networks are more vulnerable to unauthorized access
and hacking if not properly secured.
• Limited range: Coverage is typically limited to the range of the Wi-Fi signal, which can
be affected by physical barriers

12. • 4. Metropolitan Area Network (MAN)
• Description:
• A MAN spans a larger geographic area than a LAN, typically covering
a city or a large campus. MANs are designed to connect multiple
LANs within a metropolitan area, offering high-speed connectivity.
• Examples:
• A network that connects various government offices within a city.
• A network linking multiple campuses of a university within the same
city.
• Use Cases:
• Providing network connectivity across a city or large campus.
• Facilitating communication between offices or branches of an organization
within a metropolitan area.

14. • Advantages:
• Broad coverage: Extends over a larger area than a LAN, making it suitable
for city-wide or campus-wide networks.
• High-speed connections: Provides faster data transfer rates than WANs,
making it suitable for applications that require quick access to data.
• Efficient resource sharing: Allows for the centralized management of
resources and data across multiple locations.
• Disadvantages:
• Complexity: More complex to design, install, and manage than a LAN due
to the larger scale.
• Cost: Expensive to set up and maintain, particularly with the need for
specialized equipment and infrastructure.
• Security challenges: Requires robust security measures to protect against
unauthorized access and data breaches.

15. • 5. Wide Area Network (WAN)
• Description:
• A WAN covers a large geographic area, often a country or
continent. WANs are used to connect multiple LANs and MANs
over long distances, enabling communication and data sharing
across remote locations.
• Examples:
• The internet is the largest WAN, connecting millions of LANs and
smaller networks worldwide.
• A corporate WAN connecting offices in different cities or countries.
• Use Cases:
• Facilitating communication between offices in different cities or countries.
• Connecting branch offices to the headquarters in multinational corporations.

17. • Advantages:
• Global coverage: Can connect networks over vast distances, including
internationally.
• Resource sharing: Facilitates communication and resource sharing
across multiple locations, including different cities or countries.
• Scalability: Can easily expand to include new locations as an
organization grows.
• Disadvantages:
• Lower speeds: Generally offers lower data transfer rates compared to LANs and
MANs due to the long distances involved.
• High cost: Setting up and maintaining a WAN can be very expensive, particularly
due to the need for leased lines, satellite links, and other infrastructure.
• Complexity: Requires sophisticated technology and expertise to manage effectively,
particularly in terms of security and network management.

18. • 6. Campus Area Network (CAN)
• Description:
• A CAN is a network that spans multiple buildings within a specific
area, such as a university campus or a corporate campus. It is larger
than a LAN but smaller than a MAN.
• Examples:
• A network connecting various departments within a university campus.
• A network connecting different buildings within a corporate
headquarters.
• Use Cases:
• Connecting academic buildings, libraries, and residence halls within a university.
• Networking the different buildings of a corporate campus.

20. • Advantages:
• Centralized control: Easier to manage and maintain as all network
resources are within a confined area.
• Cost-effective: More cost-effective than setting up multiple separate
LANs for each building.
• High-speed communication: Provides high-speed data transfer within
the campus.
• Disadvantages:
• Limited to a specific area: Only useful within the geographic boundaries of the
campus.
• Maintenance required: Requires ongoing management and maintenance of the
network infrastructure.
• Potential for downtime: If not managed properly, a failure in the CAN can affect the
entire campus network.

21. • 7. Storage Area Network (SAN)
• Description:
• A SAN is a specialized network that provides access to
consolidated, block-level data storage. SANs are used to connect
servers to storage devices, such as disk arrays and tape libraries.
• Examples:
• A SAN used in a data center to connect multiple servers to a
centralized storage system.
• A network that supports large-scale enterprise storage solutions.
• Use Cases:
• Providing high-speed, reliable access to storage resources in data centers.
• Facilitating data backup, archiving, and disaster recovery in enterprises.

23. • Advantages:
• High performance: Provides fast access to storage resources, essential
for applications requiring high data throughput.
• Scalability: Can easily scale to include more storage devices as needed.
• Reliability: Offers redundancy and failover capabilities, ensuring data
availability even in the event of hardware failure.
• Disadvantages:
• Cost: Expensive to set up and maintain due to the specialized hardware and
software required.
• Complexity: Requires specialized knowledge to manage and configure, particularly
as the network grows.
• Limited flexibility: Primarily designed for storage and may not support other types
of network traffic efficiently.

24. • 8. Virtual Private Network (VPN)
• Description:
• A VPN creates a secure, encrypted connection over a less
secure network, such as the internet. It is used to connect remote
users or branch offices to a private network.
• Examples:
• A VPN used by remote employees to securely access their
company's network.
• A VPN that allows users to bypass geographical restrictions on
the internet.
• Use Cases:
• Ensuring secure communication for remote workers.
• Protecting sensitive data during transmission over the internet.

26. • Advantages:
• Security: Provides a secure connection over the internet, protecting data
from unauthorized access.
• Remote access: Allows users to access the network from anywhere in the
world as long as they have an internet connection.
• Cost-effective: Eliminates the need for expensive leased lines by using the
internet as the transmission medium.
• Disadvantages:
• Performance: May suffer from latency and reduced speeds, particularly over
long distances or with heavy traffic.
• Complex setup: Requires proper configuration and management to ensure
security and optimal performance.
• Reliance on internet: The quality of the VPN connection depends on the quality
and reliability of the internet connection.

27. • 9. Enterprise Private Network (EPN)
• Description:
• An EPN is a network built and owned by an organization for exclusive
use by its employees and authorized personnel. It connects various
locations, such as branch offices, data centers, and remote offices.
• Examples:
• A corporate network that links multiple branch offices across different
regions.
• A private network connecting a company's headquarters with its data
center.
• Use Cases:
• Facilitating secure communication and data transfer within an organization.
• Managing and controlling network access and resources within a company.

29. • Advantages:
• Security: Provides a secure and controlled environment for organizational
communication.
• Customization: Can be tailored to meet the specific needs of the
organization, including specialized applications and services.
• Cost savings: Eliminates the need for third-party network services, reducing
ongoing costs.
• Disadvantages:
• High initial cost: Expensive to set up, particularly for large or geographically
dispersed organizations.
• Maintenance: Requires ongoing management, maintenance, and updates
to ensure security and performance.
• Limited flexibility: May be less adaptable to changes in organizational needs compared
to cloud-based solutions.

30. Thankyou
Made By Sukanya Rakshit