Insights
Concise reviews of the methods, signals and failure modes that shape dependable systems.
Measuring tail latency without hiding the outliers
Field notes on practical infrastructure decisions and repeatable operational evidence.
Networks · 7 minA useful review process for routing changes
Field notes on practical infrastructure decisions and repeatable operational evidence.
Operations · 8 minDesigning capacity signals teams can trust
Field notes on practical infrastructure decisions and repeatable operational evidence.
Reliability · 6 minPractical error budgets for small teams
Field notes on practical infrastructure decisions and repeatable operational evidence.
Networks · 10 minDNS failure modes worth rehearsing
Field notes on practical infrastructure decisions and repeatable operational evidence.
Operations · 5 minBuilding calm incident rooms
Field notes on practical infrastructure decisions and repeatable operational evidence.
Security · 8 minTreating the TLS lifecycle as infrastructure
Field notes on practical infrastructure decisions and repeatable operational evidence.
Reliability · 9 minWhat regional health probes should actually measure
Field notes on practical infrastructure decisions and repeatable operational evidence.
Delivery · 4 minWhy small static sites remain operationally useful
Field notes on practical infrastructure decisions and repeatable operational evidence.
Delivery · 7 minObservability before and after a release
Field notes on practical infrastructure decisions and repeatable operational evidence.
Networks · 8 minKeeping network baselines that explain change
Field notes on practical infrastructure decisions and repeatable operational evidence.
Continuity · 11 minRecovery exercises that produce useful evidence
Field notes on practical infrastructure decisions and repeatable operational evidence.
Operations · 6 minA service inventory people will maintain
Field notes on practical infrastructure decisions and repeatable operational evidence.
Performance · 8 minResponsible traffic shaping under load
Field notes on practical infrastructure decisions and repeatable operational evidence.
Reliability · 7 minDependency maps as operational tools
Field notes on practical infrastructure decisions and repeatable operational evidence.
Security · 9 minCertificate automation with explicit failure paths
Field notes on practical infrastructure decisions and repeatable operational evidence.
Delivery · 10 minUnderstanding edge cache behavior
Field notes on practical infrastructure decisions and repeatable operational evidence.
Performance · 12 minInterpreting TCP performance across long paths
Field notes on practical infrastructure decisions and repeatable operational evidence.
Operations · 5 minMaking change windows smaller and safer
Field notes on practical infrastructure decisions and repeatable operational evidence.
Reliability · 6 minWriting an availability review people can use
Field notes on practical infrastructure decisions and repeatable operational evidence.
Observability · 8 minSynthetic monitoring beyond a green check
Field notes on practical infrastructure decisions and repeatable operational evidence.
Continuity · 5 minA simple test for runbook quality
Field notes on practical infrastructure decisions and repeatable operational evidence.
Capacity · 7 minChoosing useful resource headroom
Field notes on practical infrastructure decisions and repeatable operational evidence.
Observability · 6 minLogging with restraint and purpose
Field notes on practical infrastructure decisions and repeatable operational evidence.