Description of what is needed for virtual private network to work. What the requirements are for before VPN can be laid out. The requirements section is specifically pointed out for Tanzanian setting

1. VIRTUAL PRIVATE NETWORK
How It is Done?
Sovello Hildebrand Mgani
IT Consultant - FUGIT Consult
Tanzania
sovellohpmgani@gmail.com

2. How it is done!
 Site-to-site VPN
 Remote Access VPN
 Requirements
 Internet connection options

3. Site-to-Site VPN
 Data is encrypted from one VPN gateway to the
other. This enables resource sharing. e.g.
documents and other types of data over the
VPN link.
Photo: Courtesy of Sovello Hildebrand Mgani

4. Remote Access VPN
 Makes possible a secure connection from an
individual computer to a VPN gateway.
 Provided there is an internet connection: users
will be able to access everything from their
office.
Photo: Courtesy of Sovello Hildebrand Mgani

5. Requirements
 All offices connected to the Internet
 A Server with a Public IP address.
 Justification: a server so that it can be running 24/7, a
public IP address so that this server can be reachable
from distant access points not in the same network.
 VPN Client: the software that allows the
communication to take place.
 Consider proprietary vs. free and open source

Routers, firewalls, switches, etc.
 An exhaustive list to be found in the network installation
plan document

6. Requirements: Internet Connection
 The options to connect to the internet for this
particular case is
 TTCL Broadband
 Fibre Optic
 Corporate Private ISPs including
 University Computing Center
 Africa Online
 iWAY Africa
 Benson Online (BOL)
 Raha
 Net Solutions etc.