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Organisation Antipattern: Passive Disaster Recovery

Passive Disaster Recovery is Risk Management Theatre

When an IT organisation is vulnerable to a negative Black Swan – an extremely low probability, extremely high cost event causing ruinous financial loss – a traditional countermeasure to minimise downtime and opportunity costs is Passive Disaster Recovery. This is where a secondary production environment...Read More »


Published Build Quality In

Continuous Delivery and DevOps experience reports from the wild

I am pleased to announce the publication of the final version of Build Quality In by Matthew Skelton and I on Leanpub!

Build Quality In is an anthology of first-person narratives from Continuous Delivery and DevOps practitioners. With forewords by Dave...Read More »


Pipeline Antipattern: Artifact Promotion

Promoting artifacts between repositories is a poor man’s metadata

Note: this antipattern used to be known as Mutable Binary Location

A Continuous Delivery pipeline is an automated representation of the value stream of an organisation, and rules are often codified in a pipeline to reflect the real-world journey of a product increment. This means artifact status as well as...Read More »


Organisation Antipattern: Dual Value Streams

Dual Value Streams conceal transaction and opportunity costs

The goal of Continuous Delivery is to optimise cycle time in order to increase product revenues, and cycle time is measured as the average lead time of the value stream from code checkin to production release. This was memorably summarised by Mary and Tom Poppendieck as the Poppendieck Question:

“How long...Read More »


Publishing the Build Quality In book

Continuous Delivery and DevOps experience reports from the wild

I am excited to announce you can now buy Build Quality In by Matthew Skelton and I on Leanpub!

Build Quality In is an anthology of first-person narratives from Continuous Delivery and DevOps practitioners. We have an incredible group of contributors, with...Read More »


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