Computer Network Tutorial

Introduction of Computer Network Types of Computer Network Network Topology Computer Networking Architecture Transmission Modes (Data Flow) Basic Networking Devices Integrate Services Digital Network (ISDN)

Model

OSI Model TCP/IP Model

Physical Layer

Digital Transmission Analog Transmission Transmission Media Switching

Data Link Layer

Error detection and Error correction Data Link Control Multiple Access Aloha

Network Layer

Network Layer - Logical Address Address Mapping Unicast Routing Protocol

Transport Layer

Process to Process Delivery User Datagram Protocol Transmission Control Protocol Stream Control Transmission Protocol Session Layer and Presentation Layer

Application Layer

Domain Name System Application Protocol E-mail Cryptography

Misc

Classes of Routing Protocols Classification of Routing Algorithms Controlled Access Protocols in Computer Networks Differences between IPv4 and IPv6 Fixed and Flooding Routing Algorithms Advantages and Disadvantages of Fibre Optics Cable APIPA Difference between Active and Passive FTP Fiber Optics and its Types Method of Joining and Fusion of Fiber Optic Cable Define Framing in Computer Network Disadvantages of Computer Network Mesh Topology Diagram in Computer Network Ring Topology in Computer Network Star Topology in Computer Networks 4G Mobile Communication Technology Advantages and Disadvantages of LAN Advantages and Disadvantages of MAN Advantages and Disadvantages of WAN Application Layer in OSI Model Cyclic Redundancy Check Example Data link layer in OSI model Difference between Transport and Network Layer Hamming Code Example Network Layer in OSI Model Session Layer in OSI Model Transport Layer in OSI Model Two Port Network in Computer Networks Uses of Computer Networks What is Computer Network What is Framing in a Computer Network Advantages and Disadvantages of Bus Topology Difference between Star Topology and Bus Topology Subnetting in Computer Network Subnetting Questions and Answers What is Bus Topology What is Network Topology and Types in Computer Networks Access Control in Networking Basic Characteristics of Computer Network Benefits of SOCKS5 Proxy in Computer Networks Computer Network viva Questions Difference between BOOTP and RARP Difference Between Network Topologies and Network Protocols Difference between NFC and RFID Difference Between Point-to-Point Link and star Topology Network Differences Between MSS and MTU Differences Between Trunk Port and Access Port Different Modes of Communication in Computer Networks MIME Protocol in Computer Networks Modes of Communication in Computer Networks Network Attack in Computer Network Port Address in Networking Simplest Protocol in Computer Network Sliding Window Protocol in Computer Network Stop And Wait Protocol in Computer Networks TCP 3-Way Handshake Process in Computer Networks What is a Proxy Server What is APPN What is ICMP Protocol What is Point-to-Point Protocol What is Port Address in Networking What is the HDLC Protocol What is VRRP Protocol Difference Between Analog and Digital Signals Difference Between Hub and Repeater Difference between Repeater and Switch Difference Between Transparent Bridge and Source Routing Bridge Source Routing Bridge in Computer Networks Transparent Bridge in Computer Networks Transport Protocol in Computer Networks Types of CSMA in Computer Networks What is Wired and Wireless Networking Network Security in Computer Network Disadvantages of Extranet Difference Between TELNET and FTP Define Protocol in Computer Networks Guided Transmission Media in Computer Network What is a Gateway in a Computer Network IGMP in Computer Networks LAN Protocols in Computer Networks MAN Meaning in Computer Modulation Techniques in Computer Networks Switching in DCN TCP/IP Applications What is IGMP? What is Modem in Networking What is Non-Persistent CSMA Difference between Cell Splitting and Cell Sectoring Forouzen Computer Network Open Loop and Closed Loop Congestion Control Types of Cluster Computing WAP-Wireless Access Point What are the elements of the Transport Protocol Difference between Gateway and Switch Flow Control in Data Link Layer Body Area Network Flooding in Computer Network Token Ring in Computer Networks VoIP in Computer Networks What is Infrared Transmission Congestion Control Techniques Forward Error Correction (FEC) Switching Techniques What is Telnet in Computer Network What are the Types of IPv4 Addresses IEEE 802.6 (DQDB) IEEE 802.15.4 Technology What is HDLC (High-level Data Link Control)? What is SMS Hubbing in Telecom? Circuit Switching in Computer Networks Communication Satellites in Computer Networks Features of HTTP Protocol IMAP4 (Internet Message Access Protocol) Internet Services How to Set up a Wireless Router Internetwork Routing in Computer Networks Distributed Computing System Features of GSM The 802.11 MAC Sublayer Protocol What is IEEE 802.3? What are Hubs and Switches in Computer Networks? What is Modem in a Computer Network? What is multicasting in Computer Networks? GSM -The Mobile Station What is Network Server? Slotted Aloha in Computer Network What is Ethernet in Computer Networks What is Arpanet?

What is Bus Topology?

A bus topology is a network configuration in which all devices are connected to a single central cable, called the bus or backbone. Data is transmitted along the bus in both directions and all devices on the network can receive the data, but only the device for which the data is intended can process it. This type of topology is relatively simple and inexpensive, but can be less reliable than other types of network topologies because if the central cable fails, the entire network goes down.

What is Bus Topology

In bus topology, all devices are connected to a single cable (backbone), which acts as the main communication channel for the entire network. The bus is usually a coaxial cable, but it can also be made of twisted pair or fiber optic cable. Data is transmitted along the bus in both directions and all devices on the network can receive the data. However, only the device for which the data is intended can process it. This is achieved through the use of unique addresses, or MAC addresses, assigned to each device on the network.

A bus topology is relatively simple and inexpensive to implement as it requires only one cable to connect all devices. It is also easy to expand by adding more devices to the network. However, it has some disadvantages as well. For example, if the central cable (bus) fails, the entire network goes down. Additionally, as the number of devices on the network increases, the bus can become a bottleneck and slow down the network's performance.

It's also worth noting that bus topology is not suitable for large networks and it's primarily used for small networks such as home networks or small office networks.

Types of Bus Topology

There are two main types of bus topology:

1. Linear Bus Topology

In a Linear Bus Topology, all devices are connected to a single cable in a linear fashion. The cable also known as the bus or backbone, runs in a straight line and all devices are connected to it directly or through a T-connector. The T-connector is used to connect a device to the bus while still allowing the cable to continue running in a straight line.

The bus is terminated at both ends with a terminator to prevent signal reflection. Data is transmitted along the bus in both directions and all devices on the network can receive the data. However, only the device for which the data is intended can process it. This is achieved through the use of unique addresses, or MAC addresses, assigned to each device on the network.

A linear bus topology is relatively simple and inexpensive to implement as it requires only one cable to connect all devices. It is also easy to expand by adding more devices to the network. However, it has some disadvantages as well. For example, if the central cable (bus) fails, the entire network goes down. Additionally, as the number of devices on the network increases, the bus can become a bottleneck and slow down the network's performance.

Linear bus topology is not suitable for large networks and it's primarily used for small networks such as home networks or small office networks. It's not widely used today due to its disadvantages such as a single point of failure and performance issues when the network grows.

2. Distributed bus Topology

In Distributed Bus Topology, the bus is divided into multiple segments, with each segment connecting a group of devices. Each segment has its own terminator at both ends and the segments are connected by repeaters. A repeater is a device that amplifies the signal and allows it to travel longer distances.

Each segment functions independently and if one segment fails, it will not affect the other segments. This provides a level of fault tolerance and allows the network to continue functioning even if one segment goes down.

In this type of topology, data is transmitted along the bus in both directions and all devices on the network can receive the data. However, only the device for which the data is intended can process it. This is achieved through the use of unique addresses, or MAC addresses, assigned to each device on the network.

Distributed bus topology is more complex and is typically used in larger networks, such as office networks. It allows for a more efficient use of the cable, but it also increases the complexity of the network and the potential for failure. It's not widely used today as it has been replaced by other topologies like star and ring topologies which are more efficient and fault-tolerant.