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DNS Resolution: A Primer

taos

Our technical interview spans virtually the entire breadth of topics that encompass the practice of systems administration. This essential service acts as the underpinning behind almost everything else a system does; when DNS goes away, your system is likely to be very, very unhappy. So from the top, “I’m on a Linux system.

IPv6 40
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RouterFreak on Kentik Network Performance Monitoring

Kentik

Earlier this year the folks over at RouterFreak did a very thorough review of Kentik Detect. We really respected their thoroughness and the fact that they are practicing network engineers, so as we’ve come up with cool new gizmos in our product, we’ve asked them to extend their review. What is Network Performance Monitoring (NPM)?

Network 40
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New Features and Benefits with AWS – Quarterly Update – Q2– 2022

Apps Associates

Automatic recovery improves instance availability by recovering the instance if it becomes impaired due to an underlying hardware issue. Customers moving to IPv6 can simplify their network stack by running their databases on a network that supports both IPv4 and IPv6. This provides you with more options in addition to the db.t2.micro

AWS 52
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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