FDDI, ANSI, . V (100 /) . . , ., . .
- FDDI , . . . IEEE 802.5 Token-Ring. - ( 100 /), .
- - ( ).
- -
- .
- . \ ... 50 .
- 2 . DAS (dual attach station) SAS (single attach station).
-. hub/tree ( ).
.
- . 4B/5B.
- . TRT (Token Rotation Time).
PA --- : 16 .
SD --- FC --- Frame Control: 2 , INFO
DA --- :
SA ---
INFO ---
FCS ---
ED ---
27. IPv6.
IPv6 IP.
IPv6
- 128 , .
- . . IPv4 - . . ;
- . , . . , . . .
.
X:X:X:X:X:X:X:X, X 16- , 16 4- 16- (RFC 2373). : FEDC:BA98:7654:3210:FEDC:BA98:7654:3210
1080:0:0:0:8:800:200C:417A, .. . ., .. 1 .
- . .. . (::), . .. 1 ; ..(::) . 16 .
:
1080:0:0:0:8:800:200C:417A Unicast-
1080::8:800:200C:417A FF01:0:0:0:0:0:0:101 Multicast
FF01::101
0:0:0:0:0:0:0:1 Loopback
::1
- , IPv4 IPv6, - 4 10- . 0:0:0:0:0:FFFF:129.144.52.38
28. Fast Ethernet. (FE)
Fast Ethernet . . , 100 /, Ethernet (10 /).
FE . Ethernet . . - . 10 10 (1/100 ). , LL MAC- FE Ethernet 10 /c. - , . . FE , ( Ethernet), . . . . , FE . - . ( ), . . .
|
|
. FE 3- :
- (PHY)
- , . . \ MAC PHY;
- , . MAC-.