Our manufacturing company has a lot of customers which may require access to information on their network. Information may include engineering change orders, bills of materials, design documentation, etc. In some cases we can get access through a secured web portal (preferred). In other cases we may configure a network to network VPN tunnel where the traffic must initiate on our network and the tunnel carries only specified protocols. Occasionally we are asked to install a VPN client software (e.g. Nortel Contivity, Cisco) on our devices. Since we cannot control the protocols once the VPN client starts, we do not do this on clients connected to the company network. We are also concerned about split tunneling issues. We configure a kiosk machine with a dedicated link for this purpose. This can get overwhelming and is not an elegant solution.
What methods do other organizations use for peer connections? Do you connect to them or do you have a solution you have built for this purpose? If using a self-managed solution, what did you implement and what issues have you seen?
Thanks for your time.