Communications Network

It could define a telecommunication network, as the set of media, technologies, protocols and facilities necessary for the exchange of information and files between users of a network. Being the concept of network, a structure, which is usually divided into two components:

Access network and computer networks.

Where the access network involves:
Transit network or core network
Server
Work stations
Peripheral and Shared Resources
The following are examples of telecommunications networks:

And computer networks:
Internet
the telephone network
the global telex network
the aeronautical network ACARS

Partial map of the Internet. Each line is drawn between two nodes, representing two IP addresses. The length of the lines are indicative of the delay between those two nodes.
This graph represents less than 30% of the Class C networks reachable by the data collection program in early 2005.

Computer network types by spatial scope

Nanoscale
Near-field (NFC)
Body
Personal (PAN)
Near-me
Local (LAN)
Storage (SAN)
Wireless (WLAN)
Home (HAN)
Building
Campus (CAN)
Backbone
Metropolitan (MAN)
Municipal wireless (MWN)
Wide (WAN)
Cloud

Internet
Interplanetary Internet

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