1. Remote Access Services RAS Routing and Remote Access Services RRAS Remote Desktop Terminal Services Virtual Private Networking VPN

2. Remote Access
Just another computer on the network. Functions as if it was on the LAN.

3. Remote Access Microsoft supports Remote Access in:
Windows NT Server 4.0
Windows 2000 Server
Windows Server 2003
You set it up by enabling RRAS (Routing and Remote Access)

4. Remote Control
Remote computer controls a computer inside the LAN. The user is tying up two computers at the same time.

5. Remote Control Microsoft supports remote control by enabling:
Remote Desktop or
Remote Assistance.

6. Terminal Services
The application is running on the server, not the clients. The terminal server can support multiple sessions.
Terminal Server

7. Terminal Services Microsoft supports Terminal Services in:
Windows NT Server 4.0
Windows 2000 Server
Windows Server 2003
You set it up by enabling Terminal Server

8. Virtual Private Network - VPN
TCP/IP address information is transmitted in cleartext, but the actual data is encrypted. Routers can process the packets, but can’t read the data. This is called “tunneling.”