Networking

network, is a collection of computers and other hardware components interconnected by communication channels that allow sharing of resources and information. Where at least one process in one device is able to send/receive data to/from at least one process residing in a remote device, then the two devices are said to be in a network. Simply, more than one computer interconnected through a communication medium for information interchange is called a computer.

Active Networking :-

Active networking is a communication pattern that allows packets flowing through a telecommunications network to dynamically modify the operation of the network.

Passive Networking :-

A passive optical network is a form of Fiber-optic access network
Downstream signals are broadcasted to all premises sharing multiple fibers. Encryption event eavesdropping.
Upstream signals are combined using a Multiple access protocol, usually time diversion multiple access (TDMA).
The OLTs "range" the ONUs in order to provide time slot assignments for upstream communication.

Data centre setups :-

A data center or computer centre (also datacenter) is a facility used to house computer systems and associated components, such as telecommunications and storage systems. It generally includes redundant or backup power supplies, redundant data communications connections, environmental controls (e.g., air conditioning, fire suppression) and security devices.

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