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DNS Resolution: A Primer

taos

Senior Technical Consultant A part of what I do at Taos involves interviewing prospective consultants for our Unix/DevOps practice via a thorough technical assessment. Our technical interview spans virtually the entire breadth of topics that encompass the practice of systems administration. So from the top, “I’m on a Linux system.

IPv6 40
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Optimizing Long?—?Haul TCP Throughout

taos

These are networks with high throughput (generally in excess of 10 megabits), but with high latency (due to geographic distance and speed-of-light delays). On Linux, this is accomplished by: sysctl –w net.ipv4.tcp_window_scaling=1 To enable selective acknowledgments on a Linux host: sysctl –w net.ipv4.tcp_sack=1

WAN 8