Increasingly, security functions have been integrated into the corporate network layer. In response, ADTRAN unveiled its first suite of Unified Threat Management (UTM) appliances.The ADTRAN NetVanta 2000 solutions supports a series of functions. The product line includes Sonic Wall's Reassembly-Free Deep Packet Inspection (RFDPI) engine, so information is examined coming into and leaving the network. The appliances' real-time gateway monitoring function is designed to ward off viruses, spyware, intrusions, and malicious code. In addition, the products identify, categorize and control applications on the network.

There are four models in the line. The ADTRAN NetVanta 2630, which costs about $1,000, is designed for small and medium businesses. The device supports IPSec and SSL VPN connections, so information is encrypted as it travels along network connections. Its also offers PortShield port-level security and automated failover and failback. In addition, the security appliance runs on 3G wireless broadband connections.

In business since 1986, ADTRAN generated $484 million in 2009. The company has a well developed distribution channel and has fared well in the small and medium businesses segment. The need for vendors to add security solutions to their network equipment lines has been clear for a few years. While delivering a low priced option, ADTRAN has not laid any groundbreaking work with the NetVanta line, so it is unclear how much buzz it may generate. Also with the network equipment market consolidating, size has become a key factor in charting vendors' futures. With competitors now generating billions of dollars in revenue, it is unclear how the company will fare as the market evolves.