A node is a connection point in a network. A node can either be a starting point of distribution or a “communication” endpoint. The node serves as a transporter to different communication channels as it relays facts and figures to different networks by sending, receiving, and even forwarding information. Nodes are also known as servers, clients, or peers: they “serve” to other networks by transporting them information; they assume the “client” role while waiting to receive the information from the networking channel; or, they can be “peers” which serve as both the client and the server depending upon what is needed.

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