:
,
,
,
.
. .
Ethernet, Token Ring .. . , , . .
, . Ethernet, Token Ring .. . .
(circuit (line) switching) - . , .
(packet switching) - () , . : . , , () . , , . , .
(message switching) . , . , , . . , . , .
(virtual switching) , . (OSI), .
(time-division switching) - , , , . , , . , .., , . , , (Time Slot - TS), , TS, . .