Virtual private network (VPN) is a key technology that provides a private data network over public network such as Internet for connecting different sites and remote users. It is undoubted that VPN can help you to save your business cost instead of using lease lines. There are many different protocols and implementation currently used in VPN such as:
· Network/datalink layer
· Application/transportation layer
According to different requirements, different technology should be used. While our experts can give your advise to implement the most suitable solution.