Features of Mesh Topology1.Fully connected.2.Robust.3.Not flexible.Advantages of Mesh Topology1.Each connection can carry its own data load.2.It is robust.3.Fault is diagnosed easily.4.Provides security and privacy.Disadvantages of Mesh Topology1.Installation and configuration is difficult.2.Cabling cost is more.3.Bulk wiring is required.TREE TopologyIt has a root node and all other nodes are connected to it forming a hierarchy. It is also called hierarchicaltopology. It should at least have three levels to the hierarchy.
Features of Tree Topology1.Ideal if workstations are located in groups.2.Used in Wide Area Network.Advantages of Tree Topology1.Extension of bus and star topologies.2.Expansion of nodes is possible and easy.3.Easily managed and maintained.4.Error detection is easily done.Disadvantages of Tree Topology1.Heavily cabled.2.Costly.3.If more nodes are added maintenance is difficult.4.Central hub fails, network fails.HYBRID TopologyIt is two different types of topologies which is a mixture of two or more topologies. For example if in anoffice in one department ring topology is used and in another star topology is used, connecting thesetopologies will result in Hybrid Topology [ring topology and star topology].
Features of Hybrid Topology1.It is a combination of two or topologies2.Inherits the advantages and disadvantages of the topologies includedAdvantages of Hybrid Topology1.Reliable as Error detecting and trouble shooting is easy.2.Effective.3.Scalable as size can be increased easily.
4.Flexible.Disadvantages of Hybrid Topology1.Complex in design.2.Costly.INTERNET NETWORK ARCHITECTUREIn the field of computer networking there are different types of technologies that are used for the sake ofinformation which is used for the sake of the benefit of the humanity. One of these technologies is theinternet technology. It is that type of technology that is required to search any kind of information at anyplace is called as internet technology. Internet technology is operates with the help of networks such aswired networks and wireless networks also. But if we compare the wired technology with the wirelesstechnology, then wired internet technology has more reliable and the faster networking as compared towireless internet technology.The process of assembling the parts of the computer hardware in computer networking is called ascomputer architecture. But when those architectural techniques are used in the field of internet networkingtechnology, it is referred as internet network architecture. It is defined as the arrangement of different typesof parts of computer or the network hardware to configure or setup the internet technology is known asinternet network architecture. Different types of devices or the hardware is required to setup up the internetnetwork architecture. It can operate with the both networks such as wired or either wirelessly.
Components of Internet Network Architecture:
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Business, Management, Computer network
In Mesh Topology, all the computers are inter-connected to each other in a network. Each computer not only sends its own signals but also relays data from other computers. This type of topology is very expensive as Its very difficult to establish the connections of the mesh topology. In a Mesh topology every node has a point-to-point connection to the other node. The connections in the mesh topology can be wired or wireless.
Mesh Topology can be divided into two types:
- Fully connected mesh topology
- Partially connected mesh topology
1] Fully Connected Mesh Topology:
A fully connected mesh topology has all the computers connected to every other computer. Full Mesh is a network in which devices are organized in a mesh topology. A full mesh topology provides a great deal of redundancy, but because it can be prohibitively expensive to implement, it is usually reserved for network backbones. Even after considering the cost and the redundancy factor of this network, its main advantage is that the network traffic can be redirected to other nodes if one of the nodes goes down. Full mesh network is used only for backbone networks.
2] Partial Connected Mesh Topology:
Partial Mesh topology is more practical as compared to full mesh topology. In partially connected mesh topology, all the nodes are not necessary to be connected with each other in a network. This partial mesh topology is less costly compared to full mesh topology and also it reduces the redundancy.
To find the no: of physical links in a fully connected mesh topology with n nodes, we first consider that each node must be connected to every other node.
n[n – 1] for half duplex communication
n[n -1] /2 for full duplex communication.
Characteristics of Mesh Topology:
- Fully connected
- Robust
- Not flexible
- Poor expandability
Advantages of Mesh Topology:
- there is no traffic problem as there are dedicated point to point links for each computer.
- It has multiple links, so if one route is blocked then other can be accessed for data communication.
- It provides high privacy and security.
- Fault identification is easy because of point-to-point connection.
- Mesh topology requires high NO: of cables and I/o ports for the communication.
- Installation is very difficult in mesh topology, as each node is connected to every node.
- Mesh topology is costly compared to the other network topologies i.e. star, bus, point to point topology.
Due to these reasons a mesh topology is usually less implemented in realistic networks.
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