---
title: "#149: An introduction to network load balancing"
publication: "StatusCode Weekly"
issue: 149
published_at: "2018-01-17"
canonical_url: "https://weekly.statuscode.com/issues/149"
---

WebOps Weekly 149   . 

The latest Web operations, HTTP, and Web performance news -[Read this on the Web](https://webopsweekly.com/issues/149) 

[![WebOps Weekly\](https://webopsweekly.com/images/webops-header.png)](https://webopsweekly.com) Issue 149 — January 17, 2018     

[An Intro to Modern Network Load Balancing and Proxying](https://blog.envoyproxy.io/introduction-to-modern-network-load-balancing-and-proxying-a57f6ff80236) tutorial A gentle introduction to the fundamental processes of network load balancing and proxying. Matt Klein [DNSFS: Store Files in Others' DNS Resolver Caches](https://blog.benjojo.co.uk/post/dns-filesystem-true-cloud-storage-dnsfs) story A crafty system engineer finds a way to store data in DNS caches all around the world.. Pretty pointless but _such a fun story_. Ben Cox [How I Exploited ACME TLS-SNI-01 Issuing Let’s Encrypt SSL-Certs for Any Domain using Shared Hosting](https://labs.detectify.com/2018/01/12/how-i-exploited-acme-tls-sni-01-issuing-lets-encrypt-ssl-certs-for-any-domain-using-shared-hosting/) story _“I was able to issue SSL certificates I was not supposed to be able to. AWS CloudFront and Heroku were among the affected.”_ Let’s Encrypt themselves [responded very quickly.](https://community.letsencrypt.org/t/2018-01-11-update-regarding-acme-tls-sni-and-shared-hosting-infrastructure/50188) Frans Rosén [Meltdown and Spectre: CPU Security Vulnerabilities](https://www.percona.com/blog/2018/01/04/meltdown-spectre-cpu-security-vulnerabilities/) Today’s big offenders originate on the hardware side – more specifically, the CPU. Tom De Cooman and Kenny Gryp from Percona examine the recent revelations about CPU security vulnerabilities that came to light at the beginning of the new year. Perconasponsored[![\](https://copm.s3.amazonaws.com/e5dbaec3.png)](https://www.percona.com/blog/2018/01/04/meltdown-spectre-cpu-security-vulnerabilities/) [The Death of Microservice Madness in 2018](http://www.dwmkerr.com/the-death-of-microservice-madness-in-2018/) opinion Don’t just jump on the microservices train because everyone else is, says Dave Kerr. They present challenges of their own.. Dave Kerr [Scaling SQLite to 4M QPS on a Single Server](https://blog.expensify.com/2018/01/08/scaling-sqlite-to-4m-qps-on-a-single-server/) story Tips and tricks for scaling SQLite for 4M real-ish queries per second on a single server, and how bare metal compares to EC2 for this workload. David Barrett [SYN Packet Handling in the Wild](https://blog.cloudflare.com/syn-packet-handling-in-the-wild/) story A good explanation of the concepts around a long-standing form of DoS attack. Cloudflare [Cloud-Native Development with AWS Cloud9 and CodeStar](https://hackernoon.com/welcome-to-cloud-native-development-with-aws-cloud9-aws-codestar-c7b6536afba8) tutorial A look at what Amazon’s Web-based IDE Cloud9 brings to the table, along with CodeStar (essentially a set of wizards/templates for deploying AWS services). Alex Casalboni ['VoiceOps': Virtual Assistants for Ops Environments?](https://thenewstack.io/voiceops-virtual-assistants-ops-environments/) story _“imagine conversing with the Internet of Things to efficiently handle day-to-day duties, coordinate major incident responses, and check in on the health of services and teams”_ Lilia Gutnik, Zayna Shahzad and Corinna Sherman Jobs [WebOps Jobs at 4,000+ Companies](https://www.vettery.com/tech?utm_medium=cooper-webopsweekly&utm_campaign=ad-1714&utm_source=newsletter&utm_content=grouped&utm_term=tech) Try Vettery to start getting tech job offers delivered right to your inbox. Vettery In brief [AWS Opens Its 50th Availability Zone, Its Third in London](https://aws.amazon.com/blogs/aws/now-open-third-aws-availability-zone-in-london/) news Jeff Barr [MongoDB Is Now Available in All Google Cloud Regions Via Atlas](https://www.mongodb.com/blog/post/new-to-mongodb-atlas-availability-across-all-google-cloud-platform-regions?jmp=cpress&utm_campaign=WW_CP_newsletter_sponsorship_FY19Q1&utm_content=brief&utm_medium=display&utm_source=webops&utm_date=20180117) news MONGODBsponsored [AWS Lambda's Go(lang) Support Now Generally Available](https://aws.amazon.com/blogs/compute/announcing-go-support-for-aws-lambda/) news tutorial Amazon Web Services [How I Built a Proxy Server to Anonymize Images in 20 Minutes](https://blog.machinebox.io/how-i-built-an-image-proxy-server-to-anonymise-images-in-twenty-minutes-e550466ea09e) tutorial Mat Ryer [The Testing of Microservices](https://labs.spotify.com/2018/01/11/testing-of-microservices/) tutorial Meet Spotify’s _Microservices Testing Honeycomb_. André Schaffer [Handy Docker Commands for Local Development](https://andrewlock.net/handy-docker-commands-for-local-development-part-1/) tutorial Andrew Lock [The 8 Principles of Cloud Native Storage](https://thenewstack.io/achieve-persistent-storage-kubernetes-production/) tutorial Cheryl Hung [How Your Systems Keep Running: Resilience Engineering as DevOps](https://www.youtube.com/watch?v=xA5U85LSk0M) video John Allspaw [Jenkins VS GoCD](https://www.gocd.org/2017/04/25/gocd-over-jenkins/?utm_campaign=jenkins_vs_gocd&utm_medium=email&utm_source=cooperess_webops&utm_content=jenkins_blog&utm_term=) GoCDsponsored [Containers versus Operating Systems](https://dave.cheney.net/2018/01/16/containers-versus-operating-systems) opinion _“Containers are eating the very Linux distribution market which enabled their creation.”_ Dave Cheney [Monolith or Microservices: Which Should You Start with?](http://highscalability.com/blog/2018/1/16/monolith-or-microservices-which-should-you-start-with.html) opinion Jake Lumetta [Ask HN: What's the Recommended Way to Add Auth to a REST API?](https://news.ycombinator.com/item?id=16157002) opinion An amazing set of replies. Hacker News [6 Lessons from Bitnami's Transition to Container-Based Ops](https://thenewstack.io/six-lessons-bitnamis-transition-container-based-world/) story Jennifer Riggins [$20 Free On A New Linode Account](https://welcome.linode.com/webopsweekly/?utm_source=cooperpress&utm_medium=sponsored&utm_term=webops-weekly&utm_campaign=webops-weekly-sponsored) tools Linux cloud hosting starting at 1GB of RAM for $5/mo. Get $20 credit on a new account. Linode Cloud Hostingsponsored [Task Queues: A List of Task Queue Libraries and Message Brokers](https://taskqueues.com/) tools taskqueues.​com [Graphile: Instant GraphQL APIs for PostgreSQL Databases](https://www.graphile.org/) tools Auto-discovers tables, columns, relations, etc. and provides a GraphQL API server. Benjie Gillam    [Read this issue on the Web](https://webopsweekly.com/issues/149) [See our archives](https://webopsweekly.com/issues) [Change your email address](*|UPDATE_PROFILE|*)  [Stop getting this newsletter](*|UNSUB|*)  

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