, . , , . . , , , . , , , .
. , .
Token Ring, Ethernet, Fast Ethernet, FDDI.
, , , . , - .
.
:
(logical link control, LLC).
(media access layer, MAC),
LLC , . MAC- LLC- . , LLC- .
LLC , . , .
. , , -. , - LLC . , , .
|
|
Ethernet
Ethernet . Ethernet , (CSMA/CD). . , . ( ) , .
, , . , , . , . , 7 , 10101010, 8- , 10101011. . , , , , , -.
9,6 . , , , . , .
- , . - Ethernet, . (collision domain) - Ethernet, , . , . > 50 % : - , .
Ethernet | Fast Ethernet | Gigabit Ethernet | |
10 /c | 100 / | 1000 /c | |
(..) | 100 | 10 | 1 |
512 .. | 512 .. | 512 .. | |
9,6 | 0,96 | 0,096 |
Ethernet
- 802.3/LLC ( Novell 802.2)
- Raw 802.3 ( Novell 802.3)
- Ethernet DIX ( Ethernet II)
- Ethernet SNAP
:
-
- 10101011. .
- - 2 6 (MAC- ).
|
|
- - 2- 6- , .
- .
- 0 1500 . 46 , - , .
-
- - 4 , , . , , , , .