Mesh topology
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1. The document discusses the mesh topology for computer networks. Mesh topology allows for multiple redundant connections between computers so there are multiple paths from one computer to another without any central hub. 2. Mesh topology is mainly used for wireless networks and WAN implementations where communication failures are a concern. It can be either fully connected, where each computer connects to all others, or partially connected where computers connect most frequently. 3. Advantages of mesh topology include fast communication, ability to add devices without disrupting other connections, and reliability through redundant links. Disadvantages include greater complexity, size, maintenance costs compared to other topologies.
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![Mesh topology:
Mesh technology is an arrangement of the network in which computers are
interconnected with each other through various redundant connections. There are
multiple paths from one computer to another computer. It does not contain the
switch, hub or any central computer which acts as a central point of
communication. The Internet is an example of the mesh topology. Mesh topology
is mainly used for WAN implementations where communication failures are a
critical concern. Mesh topology is mainly used for wireless networks. Mesh
topology can be formed by using the formula:
Number of cables = (n*(n-1))/2;
[Where n is the number of nodes that represents the network.]
Mesh topology is divided into two categories:
1. Fully connected mesh topology
2. Partially connected mesh topology
1.Full Mesh Topology: In a full mesh topology, each computer is connected to all
the computers available in the network.
2.Partial Mesh Topology: In a partial mesh topology, not all but certain
computers are connected to those computers with which they communicate
frequently.](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Ring topology
Course Tittle: Computer Networks Theory
Course Code: CSE317
Topics: Ring Topology
Ring topology connects computer nodes in a continuous loop with no terminating ends. Data flows in one direction around the ring using a token passing access method. It has advantages like easy installation and management since only two links need changing to add or remove devices. However, it also has disadvantages like the whole network failing if one node or cable breaks, and communication delays increasing as more nodes are added to the ring.
Bus topology
This document summarizes a course on computer networks theory. It discusses network topologies, specifically focusing on bus topology. There are seven basic physical network topologies: bus, star, ring, tree, mesh, and hybrid. A bus topology has a main cable that connects to devices via drop lines using taps. While simple to install, bus topologies can have difficulties with fault detection, require more cabling than some other topologies, and are susceptible to signal collisions if multiple devices transmit simultaneously.
Star topology
1) The document discusses the star topology for computer networks, where each device connects to a central hub. Communication between devices must go through the hub.
2) Advantages of the star topology include lower costs since each device only needs one connection to the hub, easier installation since each device connects to the hub, and robustness since failure of one link does not disrupt other links.
3) A disadvantage is that if the central hub fails, all connections are lost since the hub is a single point of failure.
Tree topology
1) The document discusses the tree topology for computer networks, which combines characteristics of bus and star topologies in a hierarchical structure with a root node and descendant nodes.
2) Advantages include broadband transmission over long distances without attenuation, easy expandability by adding new devices, and easy management through division into star networks.
3) Disadvantages are that faults can be difficult to troubleshoot, broadband transmission devices are costly, and failure of the main bus cable damages the whole network.
Hybrid topology
The document is about a computer networks theory course that discusses hybrid network topologies. A hybrid topology combines different topologies, such as star and bus, to connect nodes and transfer data. It has advantages like scalability and choosing the best topology for requirements, but also disadvantages like difficult fault detection, complex design that requires high maintenance costs.
Assignment
Computer networks allow two or more computers to connect and communicate electronically. They establish an architecture that allows different devices to transfer information seamlessly. Computer network technology is implemented to physically connect computers and communication devices. The document then discusses six key ways computer network technology is used in the modern world: 1) Education through teleconferencing and online learning. 2) Security is crucial for computer networks to securely share confidential information. 3) Business use networks for tasks like design, writing, and payroll. 4) Social networks allow people to connect and share views. 5) Mobile users access the internet wirelessly on devices like smartphones. 6) Banking systems rely entirely on networks for online transactions.
Note1
This document provides information about computer networks and networking concepts. It discusses the history of ARPANET, the first packet switching network and predecessor to the Internet. It then defines what a computer network is and lists common goals of computer networks like sharing resources, performance, reliability, and scalability. The document also outlines some common applications of computer networks and provides details on typical network hardware, software, and cabling technologies.
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Mesh topology
- 1. Course Tittle: Computer Networks Theory Course Code: CSE317 Topics: MeshTopology Submitted to: Pranab Bandhu Nath Senior Lecturer,Dept of CSE City University, Dhaka. Submitted By: Name: Neheruma Sultana Riya ID:1834902578 Dept: CSE(Day) Batch:49th
- 2. Mesh topology: Mesh technology is an arrangement of the network in which computers are interconnected with each other through various redundant connections. There are multiple paths from one computer to another computer. It does not contain the switch, hub or any central computer which acts as a central point of communication. The Internet is an example of the mesh topology. Mesh topology is mainly used for WAN implementations where communication failures are a critical concern. Mesh topology is mainly used for wireless networks. Mesh topology can be formed by using the formula: Number of cables = (n*(n-1))/2; [Where n is the number of nodes that represents the network.] Mesh topology is divided into two categories: 1. Fully connected mesh topology 2. Partially connected mesh topology 1.Full Mesh Topology: In a full mesh topology, each computer is connected to all the computers available in the network. 2.Partial Mesh Topology: In a partial mesh topology, not all but certain computers are connected to those computers with which they communicate frequently.
- 3. Advantages of Mesh topology: 1. Communication is very fast between the nodes. 2. Adding new devices would not disrupt the communication between other devices. 3. Fault detection is easy. 4. The mesh topology networks are very reliable as if any link breakdown will not affect the communication between connected computers. Disadvantages of Mesh topology: 1. A mesh topology contains a large number of connected devices such as a router and more transmission media than other topology. 2. Mesh topology networks are very large and very difficult to maintain and manage. If the network is not monitored carefully, then the communication link failure goes undetected. 3. In this topology, redundant connections are high that reduces the efficiency of the network.