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Information Security #4 - 2004

Information Security #4 - 2004

VPN MPLS - ?

, Cisco Systems, Inc.

1. :

, TCP/IP, . . - - . , , .

, , . , . , .

VPN (Virtual Private Networks) - (). - , , - , , .

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VPN IP ( , IP) , . VPN, , .

, VPN :

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VPN

VPN (. . 1) - Frame Relay/ATM, IP- GRE IPSec, MPLS , Cisco IP+ATM Frame Relay/ATM , . , VPN , , - .

Cisco VPN. . , , , . , , , - , .

. VPN Frame Relay ATM (. . 1).

(PVC, SVC) . Frame Relay ATM . , (CPE - customer premises equipment). , . , , Frame Relay ATM , . VPN , , . , , VPN, VPN. , ATM CoS IP QoS, IP- .

. - IP- IP-VPN. IP-, GRE (Generic Router Encapsulation), L2TP ( 2) IPSec. . . , (. . 2). , .

VPN . , , , . ( ) ISDN. , . L2F L2TP ( , ). PPP , . IP- .

- -, IP- - . CPE VPN. -, Cisco Secure PIX Firewall Cisco, Cisco IOS , VPN. -, , L2F L2TP PPTP, Windows 95, 98, NT, 2000. IPSec. VPN. VPN, , - . , , , . , Cisco, IP. iBasis.

.. , AMT , .., CCIE

. MPLS.

MPLS ATM Frame Relay. MPLS , - MPLS Label Stack, , , . MPLS, , MPLS - GMPLS , (control plane), (Data plane). , .

VPN MPLS .




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