InfoWorld writes: “Four big technology challenges face IT managers who work at small to medium-size businesses. And guess what? The challenges look a lot like the ones confronting large organizations: VoIP, SANs, Gigabit Ethernet, and security. Few IT shops, big or small, would be crazy enough to tackle all four issues at once. Together, all this new technology may have reached the critical mass necessary for SMBs to think seriously about a network overhaul.”