Every IT department with mission-critical computer operations tries to implement security measures to protect its network from data loss, performance degradation or other damage, but such damage inevitably occurs in even the best-defended environments. Most network performance and security products report specific threats as they occur or after they have occurred; but to gain optimum network security and performance, IT departments must find ways to proactively monitor, troubleshoot and repair potential problems before they affect productivity.
Network protocol analyzers are a fundamental weapon for monitoring and troubleshooting security and performance problems. With proper use, they can help IT engineers identify and fix problems before they affect user productivity. Even in an era of increasingly sophisticated network-management and threat-detection systems, protocol analyzers are an important part of a network engineer's tool kit.
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