Table of Contents
Remote Access to Internet
How?
PPT Slide
Permanent Services
Leased line
Cable Modem
xDSL
PPT Slide
Dial-up host
Dial-up LAN
Dial-up
Provider’s needs
Provider’s needs (cont.)
Telecom Infrastructure
Modem/ISDN Equipment (Access Server)
IP addressing scheme - Dial-up host
IP addressing scheme - Dial-up LAN
Routing Protocols
Routing protocols (cont.)
Static routing
Dynamic routing
Port Address Translation
Routing scheme for LAN
User database
Security mechanisms
Security Mechanisms (cont.)
Authentication
Authentication (cont.)
Authorization
User Accounting
RADIUS (TACACS+?)
Antispoofing
Time Synchronization
Traffic filtering
New Technologies
Cost control
Scalability
Users perspective
Dial on Demand
|