some interesting protocol tweaks to TCP that are in the process of becoming a standard, and can improve web browsing speed by 10-40% or more.
break down an SSL payload, byte by byte, to gain a better understanding of what’s inside.
useful tool (Flash-based) for visualizing Internet traffic, latency or attack levels worldwide and percentage deviation from normal, from the perspective of Akamai’s many nodes around the Internet.
Probabilistically Bounded Staleness
“How eventual is eventual consistency? How consistent is eventual consistency? PBS provides answers to these questions using new techniques and simple modeling. Find out how and play with models in your browser on this page.”
nice HTML5-based adjustable graph with a bunch of knobs for things like tolerable staleness, accuracy, replica configuration, etc. tweak away!
tired of default 75 second timeouts for command line tools like nc(1) to give up trying to hit a remote host that isn’t responding? connect_wrapper.so to the rescue! tell your command to give up and move on to the next host if it doesn’t respond in, say, 3 seconds. builds (and presumably, runs) on OS X with minimal modifications.
prerequisite to using the existing PGP public keyserver infrastructure to store SSH keys (so that you can verify and swap SSH keys with others to enable secure file transfers - baroque, perhaps, but useful in certain cases). via @floatingatoll
in the days after the nuclear apocalypse, amateur (“ham”) radio operators communicating in Morse code will be what enables civilization to rise again. Learn how to communicate clearly and competently in Morse code using the Koch method, explained in this blog post!
