Irrational Exuberance!

Fail Open and Layer Policy

September 20, 2016 The distance between a bug and a feature is never smaller than in interface design. We often define tool limitations as features, but here I'll argue for designing flexible interfaces and filtering behavior by layering policies on top.

Thoughts on Envoy's Design

September 18, 2016 Lyft recently released Envoy, a nice load balancing and routing tool, and I wanted to write up some early thoughts about it's design and architecture.

QoS, Cost & Quotas

September 11, 2016 Rolling out cost accounting is often viewed as unimportant and unexciting work, but I think it's infact a critical reliability project.

Developing software oriented architectures.

June 1, 2014 Having spent the last four years rolling out a handful of software oriented architectures, some lessons are finally coming together, and this is an attempt at documenting them.

Building a Software Deployment Pipeline

March 30, 2014 One of the fundamental pieces of infrastructure for an effective software engineering team is their deployment pipeline. Here we cover a fairly basic but effective pipeline for deploying code.