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Types of network

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on 25 September 2013

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Transcript of Types of network

Networks
Peer to peer
Peer to peer-an approach to computer networking where all computers share equivalent responsibilities for processing data.



This is alternatively referred to as a ring network, the ring topology is a computer network configuration where each network computer and device are connected to each other forming a large circle (or similar shape). Each packet is sent around the ring until it reaches its final destination. Today, the ring topology is seldom used. Below is a visual example of a simple computer setup on a network using a ring topology.
Star topology
Alternatively referred to as a star network, a star topology is one of the most common network setups where each of the devices and computers on a network connect to a central hub. A major disadvantage of this network topology is that if the central hub fails, all computers connected to that hub would be disconnected. Below is a visual example of a simple computer setup on a network using the star topology.





A bus network uses a multi-drop transmission medium, all node on the network share a common bus and thus share communication. This allows only one device to transmit at a time. A distributed access protocol determines which station is to transmit. Data frames contain source and destination addresses, where each station monitors the bus and copies frames addressed to itself. A bus topology connects each computer (nodes) to a single segment trunk (a communication line, typically coax cable, that is referred to as the 'bus'. The signal travels from one end of the bus to the other. A terminator is required at each to absorb the signal so as it does not reflect back across the bus. A media access method called CSMA/MA is used to handle the collision that occur when two signals placed on the wire at the same time. The bus topology is passive. In other words, the computers on the bus simply 'listen' for a signal; they are not responsible for moving the signal along.














LAN and WAN
LAN= local area network (for example this would be used in a school)

WAN= Wide area network (for example the internet which is the largest WAN with it expanding round the world)
The End by Alana Kye and James !!
Types of network
Peer to peer
client-server
LAN and WAN
Ring topology
Bus topology
Star topology
Ring topology
Bus topology
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