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A telecommunications network is a network of telecommunications links and nodes arranged so that messages may be passed from one part of the network to another over multiple links and through various nodes.

Telecommunications network links (including their endpoints or "nodes") may in turn be built out of hierarchical transmission systems.

Examples of telecommunications networks are:

• Computer network
• the Internet Network- The internet network is a global ‘network of networks’. The internet is connected via an Internet Service Provider (ISP) and then becomes part of a network. This network then connects to a larger corporate network that interconnects with several other similar networks through Network Access Points (NAPs).^[1][2]
• the Public switched telephone network
• the global Telex network
• the aeronautical ACARS network

Structure

In general, every telecommunications network conceptually consists of three parts, or planes (so called because they can be thought of as being, and often are, separate overlay networks):

• The Control Plane carries control information (also known as signalling).
• The Data Plane or User Plane carries the network's users' traffic.
• The Management Plane carries the operations and administration traffic required for network management.

See also

• Active networking
• Optical fiber
• Submarine communications cable
• MVNE
• MVNO

References

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