Hard to provide suggestions with out knowing your environment. What's your current infastructure like? -Make/model of current firewall? -Are you currently running a windows active directory? -What is your ISP? Is it fiber/cable and what speed do you currently have are they dedicated or best effort? Have you taken a look at your current bandwidth utilization are you spiking or near capacity? How many users do you expect need this VPN access? What applications are your remote users going to be using over this vpn? What kind of bandwidth are you expecting per vpn user to be using? Whats the budget for this project?
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