Worth Reading: The Future of American Industry Depends on Open Source Tech

When an F-16 fighter takes off, three Kubernetes clusters run to keep the jet’s software running. When you visit a website, any website, chances are it’s run on Node.js. These foundational technologies—Linux, Kubernetes, Node.js—and many others that silently permeate our lives have one thing in common: open source.

Worth Reading: Analysis of CenturyLink/Level(3) Outage

At 10:03 UTC our monitoring systems started to observe an increased number of errors reaching our customers’ origin servers. These show up as “522 Errors” and indicate that there is an issue connecting from Cloudflare’s network to wherever our customers’ applications are hosted.

Worth Reading: Why Comcast open sourced its DNS management tool

Prior to 2016, DNS record management was mostly done through an online ticketing system—users would submit tickets for DNS changes that were manually reviewed and implemented by a separate team of DNS technicians. This system frequently required manual intervention for many of the DNS requests, which was time-consuming.

Worth Reading: New CSC Research Finds Significant Lack of Redundancy for Enterprise DNS

As outlined in CSC’s recent 2020 Domain Security Report: Forbes Global 2000 Companies, cybercriminals are disrupting organizations by attacking the protocol responsible for their online presence — their domain name system (DNS).

Worth Reading: When Distributed Consistency Is Easy

Distributed systems are tricky. Multiple unreliable machines are running in parallel, sending messages to each other across network links with arbitrary delays. How can we be confident these systems do what we want despite this chaos?

Worth Reading: A brief history of recent advances in IPv6 security

This is the first post in a series that will try to summarize recent (~10 years) advancements in the area of IPv6 security, not only discussing such advancements but also describing the context in which such work was carried out.

Worth Reading: Using RIPE Atlas to Predict Users’ Quality of Experience

Poor internet performance is often blamed on the network speed delivered by an ISP. While local data transmission speeds can contribute to a bad user experience, there are many other potential culprits.

Worth Reading: Journeying into XDP

Network programming using eXpress Data Path (XDP) has been on our radar at NLnet Labs (and if you are reading this, possibly on yours too!) for a while now. As tooling around this technology has vastly improved, we decided that it was time to finally get our hands dirty and see what this technology is all about.

Worth Reading: Keeping Track of Satellites

The topic of satellite broadband has been heating up lately. Elon Musk’s StarLink now has over 540 broadband satellites in the sky and is talking about starting a few beta tests of the technology with customers.

Worth Reading: The Right Cloud for the Job

“The cloud” has transformed IT and enterprise digitization over the last decade, buoyed by public cloud services that are extensive and continually growing. There are essentially three types of cloud deployments that an enterprise or software-as-a-service (SaaS) provider can employ to run their different workloads.