Data transmission over a network includes a set of communication devices that are combined by data transmission channels, switched by devices, and provide messaging between all end devices.
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The term “last mile” is used to determine the connectivity between the subscriber and the closest node in the “large network”. This distance in reality can range from several meters to 20-30 kilometers.«-», , . «- » . , Ethernet. , Ethernet-. Radio-Ethernet IEEE, .