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Telecommunications network [复制链接]

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发表于 2008-07-22 13:49 |只看该作者 |倒序浏览

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:

Structure
In general, every telecommunications network conceptually consists
of three planes (so called because they can be thought of as being, and
often are, separate
overlay networks
):
  • The Control Plane is the part of the network that carries control information (also known as
    signalling
    ).
  • The Data Plane or User Plane is the part of the network that carries its users' traffic.
  • The Management Plane is the part of the network that carries the operations and administration traffic required for
    network management
    .

               
               
               

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