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what are the two different topologies used in nan

by Adele Haley Published 3 years ago Updated 2 years ago

Network topology is the topological structure of the computer network. Hypercube is a type of the toroidal network. The Torus is a topology with n-dimensional grid network with circularly connection of the nodes.

Full Answer

What are the different topologies of Lan?

LAN (Local Area Network) Topology 1 Star Topology. In this network, all the nodes are connected to Central Node. ... 2 Ring Topology. In this network, the nodes are interconnected to make a closed loop. ... 3 Bus Topology. In this network, all the nodes including computers and servers are connected to a single cable termed as Bus.

What are the main topologies used on WANS?

The main topologies used on WANs are given below: 1 Point-to-Point Topology 2 Hub and Spoke Topology 3 Full Mesh Topology 4 Dual-Homed Topology

What are the different types of topology?

1 Bus Topology. 2 Ring Topology. 3 Star Topology. 4 Mesh Topology. 5 Tree Topology. 6 Hybrid Topology.

What is network topology?

The network topology or network configuration defines the structure of the network and how network components are connected. Network topology types are usually represented with network topology diagrams for convenience and clarity. There are two types of network topology: physical and logical.

What are the two types of topology?

There are two types of network topology: physical and logical. Physical topology describes how network devices (called computers, stations, or nodes) are physically connected in a computer network.

What are the 2 most commonly used network topologies?

Which network topology is the most common?Star topology is by far the most common. ... Bus topology—also known as line or backbone—connects all devices via a single cable running in one direction. ... Ring topology, as its name suggests, features all nodes arranged in a ring.More items...

What is a NAN network?

A neighborhood area network (NAN) is an offshoot of Wi-Fi hotspots and wireless local area networks (WLAN), which enable users to connect to the Internet quickly and at very little expense. A NAN is generally installed by an individual to serve a family or a number of neighbors.

What are topologies and its types?

Topology defines the structure of the network of how all the components are interconnected to each other. There are two types of topology: physical and logical topology. Physical topology is the geometric representation of all the nodes in a network.

How many topologies are there?

The study of network topology recognizes eight basic topologies: point-to-point, bus, star, ring or circular, mesh, tree, hybrid, or daisy chain.

What are the 3 main topologies?

There are different ways of setting up a LAN , each with different benefits in terms of network speed and cost. Three of the main topologies include bus, star and ring.

What is a NaN device?

Near-me Area Network (NAN) is a logical communication network focuses on communication between wireless devices such as Smart Phones and Personal Digital Assistants etc within a close proximity area. This Near-me Area network is built over existing physical network infrastructures.

What is the full form of NaN?

In computing, NaN (/næn/), standing for Not a Number, is a member of a numeric data type that can be interpreted as a value that is undefined or unrepresentable, especially in floating-point arithmetic.

Is NaN a type?

NaN is still a numeric type, but it represents value that could not represent a valid number.

Which topologies have two or more combination?

There are four categories: Star topology, Bus topology, Ring topology and Mesh topology. Hybrid combinations of these topologies also exist. Star topology – all computers and devices are connected to a main hub or switch.

What are topologies in computer?

A network topology is the physical and logical arrangement of nodes and connections in a network. Nodes usually include devices such as switches, routers and software with switch and router features. Network topologies are often represented as a graph.

What is use of physical and logical topology?

A physical topology describes how network devices are physically connected - in other words, how devices are actually plugged into each other. We're talking about cables, wireless connectivity, and more. A logical topology describes how network devices appear to be connected to each other.

Feedforward Neural Networks

This is one of the fundamental neural network types. The information goes through each layer in sequence in a feedforward neural network until it reaches the output layer. The movement of data is unidirectional, and it is also called a front propagated system. It generally uses the classification activation function.

Convolutional Neural Networks

A convolutional neural network is abbreviated as CNN. It is a kind of multilayer perceptron. CNNs have a primary layer called a convolutional layer. There can be one or many convolutional layers, and these layers can be fully connected or pooled. Convolutional layers contain filters that reduce the processing parameters.

Recurrent Neural Networks

In a Recurrent Neural Network or CNN, the output of a specific layer is fed back to the input. The first layer of RNN is similar to the feedforward NN. The RNNs are suitable for prediction. As the information moves across layers, each layer would remember some information functioning as a memory cell.

Modular and Sequence Neural Networks

A modular neural network contains multiple networks that work independently to achieve a common goal. A large complex task can be broken down into subtasks and processed faster using modular networks. The speed of computation increases because the modular networks run in parallel. A sequence network has two recurrent neural networks.

Point-to-Point WAN Topology

Point-to-Point is the topology is the topology that connect one site to the other like they are connected directly. These type of topology is also called Leased Lines. They are leased from a Service Provider based on required bandwidth and the distance between the two sites. They are not a shared solution.

Hub and Spoke WAN Topology

Hub and Spoke Topology is the topology that is used to connect multiple sites. In this type of WAN topology, there are two roles as its name implies. Hub and Spoke. Hub is the central device at one site that is connected to all the other devices. Spoke is the name of each of the other sites and devices. The Spokes are only connected to the Hub.

Full Mesh WAN Topology

Full Mesh WAN Topology is the topology that each sites are connected to the other sites one by one. This topology needs more resources and expensive. Beside, it needs an extra effort beucae of the number of the connections.

Dual-Homed WAN Topology

Dual-Homed WAN Topology is a very good solution for better performance, load balancing and redundancy. But it has a disadvantage about the cost. It is an expensive solution. In Dual-Homed Topology, a site is connected to another two central sites. Even if one of these sites are go down, the connection continues.

What is Network Topology?

The network topology or network configuration defines the structure of the network and how network components are connected. Network topology types are usually represented with network topology diagrams for convenience and clarity. There are two types of network topology: physical and logical.

Point-to-Point Network Topology

Point-to-point network topology is the simplest network topology used when only two computers or other network devices are connected to each other. A single piece of cable is used in this case.

Bus Network Topology

In a bus topology, the main cable is called a common cable or a backbone cable. The stations are connected to this main cable by using other cables that are called drop lines. The tap device is used to connect drop lines to the main cable.

Ring Network Topology

The ring network topology is a modification of the bus topology. In the ring network topology, each station is connected to two other stations on either side. The two other stations are neighbors of this station. Data travels sequentially in one direction, hence, the network works in half-duplex mode.

Star Network Topology

The star topology is the most common network topology used nowadays for the many advantages it provides. This topology requires a centralized unit, which is called a switch, and all other network devices are connected to this switch with own network cable.

Tree Network Topology

The tree network topology is an extension of the star topology and is widely used nowadays. The idea of the tree topology is that you can connect multiple stars like branches into a complex network by using connections between switches. Stations are connected to the ports of these switches.

Mesh Network Topology

A mesh network topology is a configuration in which each station in the network is connected to the other stations. All devices are interconnected with each other. There are two types of mesh: a full mesh and a partial mesh. In a partially connected mesh, at least two stations of the network are connected to multiple other stations in the network.

Point-to-Point

The customer basically requires basic point-to-point network connectivity between two sites separated geographically that will allow them to send and receive Ethernet frames to each other as if they are connected directly.

Point-to-Multipoint

This WAN topology requires a central site device that directly sends Layer 2 frames to reach remote sites, but the remote sites can only send frames to the central site. This Metro Ethernet service is known as E-Tree, wherein the central site is the E-Tree Root and the remote sites are the E-Tree leaves.

Full Mesh

Full mesh topology allows all the connected devices in the WAN topology to communicate with each other, and the people who develop MetroE has anticipated that there is a need for full-mesh connectivity of devices wherein they all send and receive Ethernet frames to each other directly without having to be dependent on a central hub.

Ring Topology

This topology is almost like a point-to-point but is connected on both sides to provide protection just in case a fault happens. WANs that use this topology are less susceptible to failure since traffic can be routed the other way around the ring if a fault is detected on the network.

Star Topology

WAN topology using the star network configuration requires a central hub. A concentrator router is being used to ensure that data is properly sent to the destination. This topology allows easier integration of new network components to the network, which can be an important consideration for business WANs as it entails less work and cost.

Conclusion

We have seen the various network topologies available to us, along with their benefits and drawbacks. According to our requirements, it will now be easy for us to choose which network topology can be used.

Recommended Articles

This has been a guide to Types of Network Topology. Here we discuss 8 network types of topology with their respective benefits and drawbacks. You can also go through our other suggested articles to learn more –

What is LAN (Local Area Network)

LAN is basically a Data Communication Network. In this type of Network, several computers and their peripherals like disc storage devices, printers are connected to a single high speed data line within a limited area. Local Area Network is usually a privately owned network.

LAN (Local Area Network) Topology

Topology is defined as the pattern of interconnection between the nodes of the network. The three basic topologies of LAN are:

How does LAN (Local Area Network) Work

To understand how LAN works, consider Fig. 6, which shows the 7- Layers of OSI Model. It is necessary to know the three lower levels of OSI Model i.e.

Applications of LAN (Local Area Network)

LAN is used for school environment, offices, hospitals etc as it allows sharing of resources like sharing data, scanners, printing and internet.

Network Topology Design Considerations

When deciding on the topology to use in the network, an effective approach involves a structured design that allows you to develop a complete system with the optimum design and the lowest cost, while meeting all of the following requirements, which are also illustrated in Figure 17.1 below:

Point-to-Point

A Point-to-Point topology involves a direct link between two devices (this is also called a one-to-one connection). This type of connection is often utilized in WAN topologies, especially in some of the legacy Point-to-Point technologies like T1/E1 and T3/E3.

Point-to-Multipoint

Point-to-Multipoint is a type of network topology that is very popular today. It is often used in wireless networks and functions by having multiple stations communicating with a central device. The Point-to-Multipoint topology is shown in Figure 17.4 below:

Ring

Ring topologies involve connecting all nodes in a ring fashion to ensure redundancy (see Figure 17.5 below). If one link between two nodes fails, traffic will still have a valid path to reach any devices on the other side of the ring.

Star

A common LAN network topology used in modern networks is the Star topology. This design is used in all sizes of networks and involves all network devices having a direct connection to a central concentrator device that passes the data flows between all other nodes, as illustrated in Figure 17.6 below:

WAN-Specific Topologies

WAN topologies are characterized by redundancy and are categorized as follows:

Hybrid Topologies

Based on the business’s needs, most network topologies are not standardized to one single network topology. Instead, they use different topologies in different parts of the network. For example, a single infrastructure could combine Mesh, Bus, Star, and Point-to-Multipoint topologies, as shown in Figure 17.9 below.

Feedforward Neural Networks

Convolutional Neural Networks

  • A convolutional neural network is abbreviated as CNN. It is a kind of multilayer perceptron. CNNs have a primary layer called a convolutional layer. There can be one or many convolutional layers, and these layers can be fully connected or pooled. Convolutional layers contain filters that reduce the processing parameters. CNNs are widely used for object detection in images and video, ima…
See more on neuralnetwork101.com

Recurrent Neural Networks

  • In a Recurrent Neural Network or CNN, the output of a specific layer is fed back to the input. The first layer of RNN is similar to the feedforward NN. The RNNs are suitable for prediction. As the information moves across layers, each layer would remember some information functioning as a memory cell. If the RNN predicts inaccurately, it tries to relearn during the backpropagation and …
See more on neuralnetwork101.com

Modular and Sequence Neural Networks

  • A modular neural network contains multiple networks that work independently to achieve a common goal. A large complex task can be broken down into subtasks and processed faster using modular networks. The speed of computation increases because the modular networks run in parallel. A sequence network has two recurrent neural networks. One is the inp...
See more on neuralnetwork101.com

Table of Contents

  1. What is network topology?
  2. Point-to-point topology
  3. Bus topology
  4. Ring topology
See more on nakivo.com

What Is Network Topology?

  • The network topology or network configuration defines the structure of the network and how network components are connected. Network topology types are usually represented with network topology diagrams for convenience and clarity. There are two types of network topology: physical and logical. Physical topologydescribes how network devices (called ...
See more on nakivo.com

Point-To-Point Network Topology

  • Point-to-point network topology is the simplest network topology used when only two computers or other network devices are connected to each other. A single piece of cable is used in this case. The most common example of the point-to-point network topology is connecting two computers (that have Ethernet network adapters with RJ-45 ports) with a twisted pair cable (UTP Cat 5e, FT…
See more on nakivo.com

Bus Network Topology

  • In a bus topology, the main cable is called a common cable or a backbone cable. The stations are connected to this main cable by using other cables that are called drop lines. The tap device is used to connect drop lines to the main cable. An RG-58 coaxial cable with an impedance of around 50-52 Ohms is usually used to build the network in a bus topology. BNC (Bayonet Neill-C…
See more on nakivo.com

Ring Network Topology

  • The ring network topology is a modification of the bus topology. In the ring network topology, each station is connected to two other stations on either side. The two other stations are neighbors of this station. Data travels sequentially in one direction, hence, the network works in half-duplex mode. There are no terminators, and the last station is connected to the first station …
See more on nakivo.com

Star Network Topology

  • The star topology is the most common network topology used nowadays for the many advantages it provides. This topology requires a centralized unit, which is called a switch, and all other network devices are connected to this switch with own network cable. A switch has multiple ports (usually 4, 5, 8, 16, 24, 48, etc.), and all needed stations are connected to the switch to inter…
See more on nakivo.com

Tree Network Topology

  • The tree network topology is an extension of the star topology and is widely used nowadays. The idea of the tree topology is that you can connect multiple stars like branches into a complex network by using connections between switches. Stations are connected to the ports of these switches. If one of the switches fails, the related segment of the network goes offline. If the mai…
See more on nakivo.com

Mesh Network Topology

  • A mesh network topology is a configuration in which each station in the network is connected to the other stations. All devices are interconnected with each other. There are two types of mesh: a full mesh and a partial mesh. In a partially connected mesh, at least two stations of the network are connected to multiple other stations in the network. In a full mesh, each station is connecte…
See more on nakivo.com

Hybrid Network Topology

  • The hybrid topology combines two or more of the network topology types covered earlier. A combination of the star and ring types of network topology is an example of a hybrid network topology. Sometimes you might need the flexibility of two topologies in your network. The hybrid topology is usually scalable and has the advantages of all child topologies. The disadvantages o…
See more on nakivo.com

Types of Cables

  • Cables are important components of physical network topology. Network speed and overall costs for network installation depend on the selected network topology, cables, and other network equipment. Different types of cables have been mentioned in the blog post when giving real examples of using different types of network topology. Let’s look at the most used cables for dif…
See more on nakivo.com

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