ADTRAN provides the Internetworking pieces needed for a secure, reliable, streamlined, high-performance network. In addition to a complete line of access connectivity products, ADTRAN Internetworking solutions include access routers, integrated switch-routers, managed Layer 2 Fast Ethernet, Gigabit and Power over Ethernet switches (PoE), VPN and Internet security appliances, and Integrated Access Devices. With an ADTRAN platform, you get the flexibility to satisfy diverse applications in hybrid networks, and an easy, inexpensive upgrade path to evolve network systems and applications as requirements change.