Traceroute, by some name, is available on almost every network-connected platform for doing network diagnosis. Like many tools, it's conceptually simple to use, but it's operation and interaction with the behavior of router implementations often produces misleading results for an unwary user. In this post, I explain how traceroute works, how routers participate in the process, and how to avoid a couple of common pitfalls.

Evocative just celebrated its 16th birthday. Over the years, we've seen a lot of ups and downs in the market; we've ridden a few waves, and paddled out of some troughs. Along the way, we figured out who we are.

When a customer had to seed 14TB of data for replication in a distant disaster recovery facility, they found their name-brand firewall/VPN appliance couldn't sustain enough bandwidth to accomplish the transfer in anything less than weeks. As they contemplated year-long contracts on point-to-point connections and major hardware upgrades as solutions, Evocative's engineers conceived a low-cost solution using open source software and spare hardware.

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