Advantech routing technology builds maps and gives directions to networks to allow users easily building connectivity between isolated networks giving greater flexibility in building secure applications. The technologies involves are: - VPN: supports VPN to provide secure remote access for users - NAT: hide user’s web servers behind our Router with Destination NAT - Firewall: secure the infrastructure with a network-based firewall that can perform stately - Routing: creates application tiers on different isolated networks by leveraging the capabilities of Networks - Multiple-interface: Advantech routers provides numerous skus for various interface combination, includes RS232/485, DI/O, WiFi, dual-SIM, USB…etc.