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Application Of A Vlan Area Network Across The Globe

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1. INTRODUCTION
In the earlier stages of networking i.e, In lan, the initial physical locations of where the computers had to be positioned had to remain fixed throughout for further usage. Any changes in setting up of the host in a different location after the initial setup would lead to excess expenditure where new sets of cables had to be installed to establish a new connection. This lead to an increase in the cost of maintenance and the investment that was required to maintain a larger network which had a probability of growing day by day.
So the need for a vlan came into being where a large area network across the globe could be done at a lot more feasible price and the ever changing network can be easily maintained.
1.1 History of VLAN
The history of VLAN is very significant because the incentive to invent the technology governed the features built into the implementations. Increases in the number of hosts on the local area network and network applications have caused huge increase in the traffic of LANs. The increase in traffic caused congestion and collision problems. Due to this, the network managers used routers and hubs to separate their networks into many subnets with fewer hosts on each. Due to the broad flat switched networks there was increase in broadcast traffic which led the network managers to again divide the switched network so even broadcast traffic was limited to going to few unnecessary hosts as possible. The network managers wanted to do that while

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