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# 1.1. Ethernet , .
Ethernet , , . .
, , 80-90% ( - burst mode). , , , .
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# 1.2. , " " .
- , , .
, . (, ), , .
, , (, Observer). , . 0 50-60% 10%.
, .
(, 10% 20% ), , , , . , , .
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# 1.3. . . , .
, , . , - . (IP IPX) .
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