COMMUNUNICATION  NETWORKS PPT DOWNLOAD
A telecommunications network is a collection of terminals, links and nodes which connect to enable telecommunication between users of the terminals. Each terminal in the network have a unique address so messages or connections can be routed to the correct recipients. The collection of addresses in the network is called the address space.



The links connect the nodes together and are themselves built upon an underlying transmission network which physically pushes the message across the link, using circuit switched, message switched or packet switched routing.



Examples of telecommunications networks are:
computer networks
>Internet
>telephone network
>global Telex network
>aeronautical ACARS network








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