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Survivor's Guide to 2007: Network Infrastructure: Page 6 of 9

If you have been in IT for more than a few years, you've seen more than one round of branch-in-a-box appliances that consolidated common remote office network gear and offered a mix of file services, WAN and wireless access, and routing and switching. In reality, these were little more than multifunction file servers with limited functionality. But a small or midsize business with simple networking needs could deploy one and be up and running with minimal effort.

Today's iteration of these appliances include devices--like Adtran NetVanta Routers, Cisco Integrated Services Routers and Nortel Secure Routers--that provide routing, switching, compression, caching, firewall and IP PBX functions. Open-source routers such as those from Vyatta let you add other open-source modules to existing platforms. Additional functions, like unified threat management, application acceleration and optimization, and strong centralized management, round out the set.