, , . , (Ethernet, IP, IPX, frame relay, X.25), , . , , . IP , IP , .
Classical IP (RFC 1577) ( ) , IP , . - - Classical.
, Classical IP, IP- - IP-, , ARP. , ARP- . , , , , - - (Non-Broadcast networks with Multiple Access, NBMA). NBMA , , X.25 frame relay.
TCP/IP ARP-, - IP- . . NBMA ( X.25 frame relay) , , , , ARP- . , , . ARP-, , , . , , , . .
Classical IP IP-, (Logical IP Subnet, LIS) (. 6.33). LIS . IP-, , , . LIS, .
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. 6.33. IP-
Classical IP VLAN - , VLAN.
, IP- LIS .
, , . , . , , .
IP-, IP- . , ( VPI/VCI , PVC) ATMARP. , , . , LAN Emulation, .
ATMARP, ARP. , ARP TCP/IP. 20 , . ATMARP, . ATMARP , .
ARP ATMARP, IP- - . ATMARP, IP- - . ATMARP . , , . ( ARP ).
, ARP, - . - , , IP- .
IP- Classical IP AAL5, , CBR, rtVBR, nrtVBR UBR.