Comprehensive guides for CTOs, DevOps teams, and IT managers on SLA management, downtime cost calculation, and disaster recovery planning.
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Living brief updated July 23, 2026: AWS CloudFront VPC Origins, Google Cloud europe-west4-a, and Meta apps — what broke, who felt it, and how to model YOUR loss with labeled illustrative calculator links. No official vendor loss claims.
Step-by-step in simple English: gather logs, check exclusions, calculate shortfall, meet deadlines, build an evidence pack, and escalate. Includes a worked example and links to the SLA calculator.
Definitive allowed-downtime tables for 99%–99.999% (day, week, month, year), plus the exact formulas behind our SLA, downtime-cost, and RTO/RPO calculators. Built to be cited.
Exact allowed downtime in minutes for real calendar months. Useful when your cloud SLA does not use a fixed 30-day month.
Simple guidance for choosing recovery time and data-loss targets by system type, with yearly cost formulas and examples in plain English.
Master SLA penalty calculations, understand service credit structures, and learn how to negotiate better contract terms. This comprehensive guide covers everything from basic calculations to advanced risk management strategies.
Learn how to accurately calculate downtime costs and understand why precise cost modeling is crucial for making informed infrastructure investment decisions. Includes real-world examples and ROI calculations.
Understand the fundamentals of disaster recovery planning with Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO). Learn how to set realistic targets and calculate the financial impact of your recovery strategy.
Learn from the September 15, 2025 Starlink outage what it teaches about business continuity consulting, SLA limitations, downtime costs, and practical RTO/RPO planning for single-provider dependencies.
Learn how to build a practical n8n watchdog that monitors landing pages for errors, checks DOM elements, automatically pauses failing ads, and alerts your team with context and screenshots to protect your advertising budget.
Real-world case studies of downtime costs using actual incidents from Azure, Cloudflare, and other major providers. Learn how to calculate ROI for resilience investments with concrete examples and industry benchmarks.
Use our calculators to put these guides into practice with your own data and scenarios.