Overall brief description is : seeking to " create a website and supply VPN services" similar to what is offered offered by other VPN providers such as http://www.strongvpn.com/ https://www.goldenfrog.com/vyprvpn/vpn-service-provider http://www.witopia.net/ http://www.purevpn.com
FULL DETAILED BRIEF DOWNLOADABLE AT HTTP://cybersol.com.au/vpn.doc
This brief is still a rough draft, but contractor would need to have read and understood the desired requirements and capabilities.
Budget is simply a rough estimate at this stage to get the ball rolling, as initial server network would be small scale for beta testing, but expexted to be able to be scaled up in the future. so final budget to be negotiated once full discussions have been undertaken regarding skill levels and size of network.