Reliability frameworks

The structures we use to turn incident data into decisions - published openly so teams and the industry can standardize on them.

A network of light over the Earth at night

When Multi-Region and Multi-Cloud Are Actually Worth It

Multi-cloud is sold as the ultimate insurance and bought far more often than it is needed. This decision framework grades the resilience tiers - single-AZ to active-active multi-cloud - by the failures they survive and the cost they impose, so you climb only as high as your risk justifies.

10 min read

Engineers walking through a data center

An Incident Response and On-Call Maturity Model

Good architecture does not save an organization that responds to incidents badly. This five-level model grades incident response and on-call practice - from ad hoc heroics to a self-improving system - with the concrete signals that place a team at each level.

8 min read

A network patch panel with colored cables

Blast Radius Containment: Cells, Bulkheads, and Shuffle Sharding

When a failure happens, the only question that matters is how much it takes down with it. This framework grades four containment patterns - bulkheads, cells, shuffle sharding, and control-plane isolation - by how far they shrink the blast radius.

9 min read

Financial charts on a dark dashboard

SLOs and Error Budgets as a Decision Framework

An error budget turns reliability from an opinion into an accounting balance. This framework shows how to set SLOs, spend the budget, and use the burn rate to decide - objectively - when to ship and when to stop.

9 min read

A network of connected data nodes

The Cloud Reliability Maturity Model

A five-level model for assessing how ready an organization is for cloud incidents - from reactive firefighting to control-plane-independent architecture - with the concrete signals that place a team at each level.

8 min read

Streams of green code

A Standard Severity Classification for Cloud Incidents

The providers all use different severity vocabularies, which makes cross-provider comparison impossible. This framework defines five provider-neutral severity levels by measurable impact - the classification behind our incident corpus.

7 min read