In the first month I joined I was asked, 'How do I put a firewall between our subnets in AWS?'. What seemed like a simple ask turned into a real deep dive as I got into it. I'll talk about some history here, but first the announcement: aws.amazon.com/blogs/aws/insp… 🧵 (1/n) First, VPC was wholly created by AWS in software. I would argue it was one of the first true SDNs of the world, and definitely the largest by almost any measurable quantity. It also meant designing a long-living protocol and user experience, from scratch. (2/n)

This is low-key exciting - you no longer need to attach an internet gateway to your NAT gateway. I'll explain a bit more of why you may want to do this. 🧵 aws.amazon.com/about-aws/what… This came up in a customer conversation multiple years ago when a customer said "we're going to give each developer two VPCs, one with routable space (/28) and one with junk space that can't reach on-prem"

I started my career in tech support (Cisco TAC). This had profound effects for me and I feel like getting on a soapbox on the internet (thread) to share my opinion on the relationship between support, really caring about customers, and people's first jobs.

1/n First, if you want to get into tech or are looking for a first job out of college, I highly recommend tech support. You get a glimpse of the hardest and most important issues to practitioners multiple times a day. It's dog years of experience

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