.


:




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Token Ring




(source route) (source-route bridging). IBM, 802.5 . OSI.

() , , . .

, (explorer packet). , , . . , , , . .

, , : , , , , ( , 4 /, 4000 , , 16 /, 17 800 ). , RIF (routing informationfield) 802.5. RII (routing information indicator): , . .

(hop "") , . , , , . , , , "" (. . ). , , , . ( ), ( ). , , , , . , , ( ). , , .

-

- (brouter) , , . , , NetBEUI ( ), , , TCP/IP. - :

, , , , ;

, ;

;

, .

 

- , , , NetBEUI, IPX/SPX TCP/IP, . ( ), , :

, ;

, ( , ).

- , , , MAC , . , NetBEUI ( ). , TCP/IP, - , .

(switch) , . , , MAC ( 2) . , , . , .

(cut-through switching) , . , MAC- . ( ).

(store-and-forwardswitching) ( ) , . , (CRC) , . () , ( ). ( ), , , , ' ( 3), . , , , Ethernet.

 

IEEE Ethernet, , .

, , , . Ethernet, 10 /. 10 /, . Ethernet, , . . 80 /, . , .

, , , "" . , SNMP, . (Virtual LAN, VLAN). , IEEE 802.1q, , . VLAN VLAN, . VLAN , , . 2 VLAN, -, VLAN.

(gateway) , , . , :

(, TCP/IP) (, SNA);

;

;

- ;

-;

;

.

, OSI. , , . OSI. , Systems Network Architecture (SNA) IBM, , , , TCP/IP. SNA 5.

, , , . IBM . Data Link Control (DLC), Windows95/98, Windows NT Windows 2000/. , (, UNIX), IBM TCP/IP, TCP/IP. SNA DLC 5

, , , Gateway Services forNetWare Microsoft. , Windows NT, Windows 2000 Windows Server 2003 NetWare Windows-. Windows 2000 NetWare, Windows 2000 TCP/IP. (. 4.11), NetWare, IPX/SPX (1PX/SPX 5). LDAP , Active Directory, NetWare, NetWare Directory Services. .

"" , . OSI. , Mail and Messaging Services Microsoft, LotusNotes ( Domino) Mercury Mail, .

 





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