Networking

This introduction to eBPF is adapted from the beginning of DevOps’ish 278 I occasionally ask for writing prompts from folks on Twitter for DevOps’ish. Sometimes asking on social media works well. Other times it’s giving someone a good URL and still scratching my head about what to write. But for DevOps’ish 278, the people have spoken. They want to learn more about eBPF. What is eBPF? eBPF (which is no longer an acronym for anything) is a revolutionary technology with origins in the Linux kernel that can run sandboxed programs in a privileged context such as the operating system kernel. It is used to safely and efficiently extend the capabilities of the kernel without requiring to change kernel source code or load kernel modules. ...

Recently there has been a huge push by digital subscriber line (DSL) providers to take a bigger chunk of the broadband market away from cable internet service providers. This has become even more apparent in recently thanks to Verizon and SBC (and I’m sure others will follow suit) dropping their prices dramatically. This is good for broadband subscribers and people looking into broadband because the cost of high speed Internet services is coming down. DSL and cable broadband both have their advantages and disadvantages but DSL seems to be the one lacking in quite a few areas and their marketing shows it. ...