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(Ethernet, Token Ring, FDDI) . , (), , . () , Ethernet 8 72.
, .. , Ethernet, . , , . . , Ethernet 100 . . .
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(switch) 1990 .
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, . . - . ( ) , . . . , . , . . , , , . . Ethernet, .
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, . ( ). 3Com, Cisco, Intel,HP.
, (, ) . . , , . - 10, 100 1000 /. , , , . () .1.
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-Ethernet - 1997 (WLAN -Wireless LAN). , ( , , , ..).
-Ethernet - 2,4 ( ) : (), , . : / . , .
WiFi (Wireless Fidelity). WiFi - 11 / CSMA/CA (Carrier- Sense- Multiple- Access with Collision -Avoidance) - . 2001 , 54 /c.
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( -). 45 , - 45 . 50 .
( -) . 2006 132 . , 41 % 2005 . ( 7,2 ). , - 131 . , , . , 2010 109 . - .
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BlueTooth , - () - (), 10 (.2.) . ( 10), , .
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Bluetooth , , 6-10 /, . Intel , Bluetooth . , , , , .
1 Wi-Fi Bluetooth.
Wi- Fi | Bluetooth | |
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2.4 | 2.4 | |
11 / | 1 / | |
100 | 10 100 | |
128 | 8 , . 10 | |
3 | ||
$100-$400 | $5 |
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WMAN (Wireless Metropolitan-Area Networks) WWAN (Wireless Wide-Area Networks) /.
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