Andree's Musings
Toonk.io
Thoughts, stories and wild ideas from the world of Infrastructure Engineering.
Go
Wireblast: a 100Gbs packet generator in Go with AF_XDP
If you’ve followed my blog for a while, you know I love tinkering with packets and making them go fast in software. Today I'm releasing a new tool called
Andree Toonk
5 Aug 2026<br>•<br>6 min read
Go
Line-rate packet processing in Go with AF_XDP
If you've been following my blog for a while, you know I have a soft spot for making packets go fast in software. I'm a network guy at heart, raised
Andree Toonk
7 Jul 2026<br>•<br>7 min read
networking
Navigating Infrastructure Outages: Battle Scars and Lessons Learned
I've worked on numerous outages, each teaching me invaluable lessons. Inspired by Rogers' recent outage report, I wrote down some of my lessons learned.
Andree Toonk
8 Jul 2024<br>•<br>8 min read
Go
High-Speed Packet Transmission in Go: From net.Dial to AF_XDP
Pushing limits in Go: from net.Dial to syscalls, AF_PACKET, and lightning-fast AF_XDP. Benchmarking packet sending performance..
Andree Toonk
11 Mar 2024<br>•<br>10 min read
ipv4
AWS IPv4 Estate Now Worth $4.5 Billion
AWS grew its IPv4 estate with an additional 27 million IP addresses to now owning 128 Million IPv4 addresses. At a value of $35 per IPv4 address, the total value of AWS’ IPv4 estate is ~4.5 Billion dollars. An increase of $2 billion
Andree Toonk
17 Sep 2023<br>•<br>5 min read
ai
Diving into AI: An Exploration of Embeddings and Vector Databases
Join me on my journey into AI and learning about embeddings, vectors and vector databases
Andree Toonk
1 May 2023<br>•<br>6 min read
ipv4
IPv4 for sale - WIDE and APNIC selling 43.0.0.0/8
In this article, we'll look at the recent sale of the IPv4 range 43.0.0.0/8 by The Asia Pacific Internet Development Trust (APIDT). We'll look at who bought what and for how much?
Andree Toonk
13 Oct 2021<br>•<br>5 min read
ddos
The Risks and Dangers of Amplified Routing Loops.
In this article will take a closer look at network loops and how they can be abused as part of DDoS attacks.
Andree Toonk
13 Apr 2021<br>•<br>7 min read
mysocket
Introducing SSH zero trust, Identity aware TCP sockets
In this article, we’ll look at Mysocket’s zero-trust cloud-delivered, authenticating firewall. Allowing you to replace your trusted IP ranges with trusted identities.Last month we introduced our first
Andree Toonk
16 Feb 2021<br>•<br>9 min read
mysocket
Introducing Identity Aware Sockets: Enabling Zero Trust access for your Private services
In this blog post, we’ll introduce an exciting new feature that, with the help of Mysocket, allows you to deploy your own Beyond Corp setup. What is Zero TrustThe
Andree Toonk
14 Jan 2021<br>•<br>5 min read
mysocket
Global load balancing with Kubernetes and Mysocket.io
If you’re in the world of cloud infrastructure, then you’ve heard of Kubernetes. Some of you are experts already, while some of us are just learning or getting
Andree Toonk
22 Dec 2020<br>•<br>5 min read
mysocket
Easy Multi-region load balancing with Mysocket.io
Last week AWS had a major outage in its US-EAST1 region, lasting for most of the day, just before the big black Friday sales! Incidents like this are a great
Andree Toonk
7 Dec 2020<br>•<br>5 min read
mysocket
Static DNS names for your mysocket.io services (and a new gif service)
Andree Toonk
1 Dec 2020<br>•<br>5 min read
mysocket
Introducing Mysocket.io
Andree Toonk
23 Nov 2020<br>•<br>4 min read
ipv4
AWS and their Billions in IPv4 addresses
Andree Toonk
20 Oct 2020<br>•<br>4 min read
aws
100G networking in AWS, a network performance deep dive
Andree Toonk
15 Oct 2020<br>•<br>9 min read
terraform
Building a global anycast service in under a minute
This weekend I decided to take another look at Stackpath and their workload edge compute features. This is a relatively new feature, in fact, I wrote about it in Feb
Andree Toonk
21 Jun 2020<br>•<br>4 min read
networking
Building an XDP (eXpress Data Path) based BGP peering router
Over the last few years, we’ve seen an increase in projects and initiatives to speed up networking in Linux. Because the Linux kernel is slow when it comes to
Andree Toonk
19 Apr 2020<br>•<br>9 min read
networking
Kernel bypass networking with FD.io and VPP.
In this blog, we’ll look at VPP, a fast, flexible, and open-source network forwarding plane. I think you will be blown away by the performance numbers.
Andree Toonk
5 Apr 2020<br>•<br>6 min read
networking
Linux Kernel and Measuring network throughput.
can Linux route at line-rate between two network interfaces? That’s the question we will try to answer in the next few minutes.
Andree Toonk
29 Mar 2020<br>•<br>6 min read
networking
Building a high performance - Linux Based Traffic generator with DPDK
Often in my, now 20 years, networking career, I had to do some form of network performance testing. Use-cases varied, from troubleshooting a...