Distributed Service-to-Service Failures

All technical articles related to Distributed Service-to-Service Failures.

• Safely disabling topology hints during a live incident

  7 Jul, 2026

  Technical deep dive into Safely disabling topology hints during a live incident

• When ndots turns service discovery into a DNS storm

  17 Jun, 2026

  Technical deep dive into When ndots turns service discovery into a DNS storm

• Calico precedence traps during cross-zone canaries

  11 Jun, 2026

  Technical deep dive into Calico precedence traps during cross-zone canaries

• Reading 503 flags when the application is innocent

  11 Jun, 2026

  Technical deep dive into Reading 503 flags when the application is innocent

• eBPF tracing for resolver path forensics

  30 May, 2026

  Technical deep dive into eBPF tracing for resolver path forensics

• Why CPU based HPA misses real DNS collapse

  25 May, 2026

  Technical deep dive into Why CPU based HPA misses real DNS collapse

• xDS lag that preserves dead upstreams in one zone

  24 May, 2026

  Technical deep dive into xDS lag that preserves dead upstreams in one zone

• DSR versus SNAT service modes across zones

  14 May, 2026

  Technical deep dive into DSR versus SNAT service modes across zones

• Training assistants on real DNS failure traces

  11 May, 2026

  Technical deep dive into Training assistants on real DNS failure traces

• gRPC UNAVAILABLE during cert rotation, not application failure

  29 Apr, 2026

  Technical deep dive into gRPC UNAVAILABLE during cert rotation, not application failure

• PERMISSIVE mode is not a harmless staging area

  23 Apr, 2026

  Technical deep dive into PERMISSIVE mode is not a harmless staging area

• Why only large DNS answers fail behind policy

  15 Apr, 2026

  Technical deep dive into Why only large DNS answers fail behind policy

• Pod to CoreDNS packet walk that explains silent lookup failure

  14 Apr, 2026

  Technical deep dive into Pod to CoreDNS packet walk that explains silent lookup failure