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The most popular blog posts about networking & internet on Hacker News. 136 posts.
Since the Raspberry Pi Compute Module 4 was introduced last year, I've been testing a variety of PCI Express NICs with it. One of the main types of NIC I'm interested in is cheap 2.5 Gigabit Ethernet adapters. 2.5 Gigabits is about the highest reasonable bandwidth you can get through the PCI Express Gen 2.0 x1 lane on…
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Ping is one of the fundamental pillars of networking. It’s simple, universally supported, and is normally one of the few things that is shipped with all network stacks.
Published: 08-04-2021 | Author: Remy van Elst | Text only version of this article
Programming note: I will be taking a several week break from writing paper reviews for the summer. When we come back, I will be finishing off the papers from Usenix ATC and OSDI , then moving on to the great upcoming conferences (my non-exhaustive list is here ). As always, feel free to reach out on Twitter with…
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PhD student at University of Texas at Austin 🤘. Doing systems for ML.
This post is a basic introduction to running HTTPS servers and clients in Go using TLS. It assumes some familiarity with public-key crypto. Feel free to check out my earlier posts about RSA and the Diffie-Hellman Key Exchange ; TLS uses the elliptic-curve version of Diffie-Hellman. I won't be covering how the protocol…
The PipeWire project is slowly getting popular as it matures. Its documentation is still relatively sparse but is gradually growing. However, it's always a good idea to have people from outside the project try to grasp and explain it to others in their own words, reiterating ideas, seeing them from their own…
The fundamental difference between forward and reverse proxies
Last time we perambulated on telephones, we discussed open-wire long-distance telephone carriers and touched on carriers intended for cables. Recall that, in the telephone industry, cable refers to an assembly of multiple copper twisted pairs (often hundreds) in a single jacket. There is a surprising amount of…
My current employer does a lot of really cool systems work that’s covered by NDAs. I recently did some work to integrate a cool open source tool into our workflow. Felt it deserved a blog post. NFS Testing Requires Parallelism. I work for Pure Storage. One of the products we make is a scale-out NFS1 (and…
Did you know that if your site’s under ~12kb the first page will load significantly faster? Servers only send a few packets (typically 10) in the initial round-trip while TCP is warming up (referred to as TCP slow start). After sending the first set of packets, it needs to wait for the client to acknowledge it…
Yubikey is currently the de facto device for U2F authentication. It enables adding an extra layer of security on top of SSH, system login, signing GPG keys,...
