Network monitoring has traditionally been device-centric, with a concentration on the health of the individual devices that make up your network. This is not a bad thing. After all, monitoring the health of network devices is critically important. But long missing has been an easier way to locate the bottlenecks and determine the root causes of problems rather than merely observing the symptoms.
One of my favorite tools of all time is the Fluke Networks OneTouch because it gives me a way to look at physical layer issues in conjunction with Ethernet and TCP/IP layer issues. With apologies to Fluke Networks, I'll compare PathSolutions' TotalView to having a OneTouch on every port in my network. Oh, and I'd really like to have the diagnostics in plain English, because not everyone in my shop has decades of training behind them.
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