ELSA LANCOM Business 6000, Руководство пользователя

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Technical basics
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ELSA LANCOM Business 6000
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EN
Point-to-multipoint
connection Generally speaking, it would be uneconomical to directly connect all
computers in a network via point-to-point connection cables, as the
computers would then require multiple interfaces. Computers in a network
are therefore plugged into a joint medium shared by all hosts. The sender
simply sends its packet with instructions concerning the recipient to the
medium to which other hosts are connected. The data packet arrives at
every
host in the network. Each host then decides whether it is the recipient of the
packet or not. If the packet is addressed to the corresponding host, it will then
accept it. If not, the host will ignore (reject) it. This is a point-to-multipoint
connection, since we are not dealing with an unambiguous connection.
7.1.3 Kinds of networks
Protocol An important prerequisite for communications between computers is a
common language among the hosts. In the world of network technology this
language is called “network protocol“ or simply “protocol”.
TCP/IP The most broadly distributed network protocol is the TCP/IP ( T ransmission
C ontrol P rotocol/ I nternet P rotocol). It is used mainly in the Internet, but
nowadays more and more company networks use it. Examples of other
Host:
Sender
Host
Host:
Recipient
Host
Data packet with recipi-
ent information