regional resilience

  1. Copilot Outage CP1193544: UK Europe Regional Impact and Lessons

    Microsoft’s Copilot experienced a regionally concentrated outage on 9 December 2025 that left users across the United Kingdom — and parts of Europe — unable to access the assistant or receiving degraded responses, an event Microsoft logged as incident CP1193544 and attributed to an unexpected...
  2. UK Copilot Outage 2025 Autoscaling Surge Disrupts Microsoft AI

    Copilot users in the United Kingdom and parts of Europe were briefly locked out of Microsoft’s AI assistant on December 9, 2025, after a surge in traffic overwhelmed autoscaling controls and produced region-specific service failures that were visible on public trackers and acknowledged by...
  3. AWS US East 1 Outage: Building Resilient Cloud Architecture

    Amazon Web Services’ US‑EAST‑1 region suffered a high‑impact outage on October 20, 2025 that knocked hundreds of consumer and enterprise services offline, exposed a brittle set of control‑plane dependencies (notably DNS resolution for Amazon DynamoDB), and renewed urgent debate about how the...
  4. AWS US East 1 Outage Highlights Cloud Concentration Risks and DNS Failures

    A wide-ranging outage in Amazon Web Services’ US‑EAST‑1 cloud region crippled dozens of high‑profile internet services for hours on Monday, knocking streaming platforms, messaging apps, gaming services and even some bank websites offline and refreshing urgent questions about how much of the...
  5. AWS Outage 2025: Cloud Dependency and Multi Region Resilience Lessons

    A massive Amazon Web Services outage on October 20, 2025 knocked hundreds of major websites and apps offline and left global internet traffic sluggish for hours, exposing the deep concentration of modern online infrastructure in a handful of cloud regions and the cascading fragility that follows...
  6. AWS US East 1 DNS Outage Disrupts Apps Across Services

    Amazon Web Services suffered a broad regional outage early on October 20 that knocked dozens of widely used apps and platforms offline — from team collaboration tools and video calls to social apps, bank services and smart-home devices — with early evidence pointing to DNS-resolution problems...
  7. Azure Latency Spike as Red Sea Cable Cuts Disrupt Global Cloud Traffic

    Microsoft has warned that users of its Azure cloud may see higher-than-normal latency and intermittent disruptions after multiple undersea fiber-optic cables in the Red Sea were cut, forcing traffic onto longer alternate routes while repair work and global rerouting continue. Background The Red...
  8. Azure East US Capacity Shortfall Reveals Cloud Elasticity Limits in 2025

    On July 29, 2025, a sudden capacity shortfall in Microsoft Azure’s East US region prevented many customers from creating or starting virtual machines — an event that exposed a blunt reality: public cloud elasticity has practical, physical limits, and “infinite” capacity is a marketing...
  9. Dubai AI Week: du and Microsoft to Invest $544M in Hyperscale Data Centers and Cloud Innovation

    When telecom giants and tech behemoths sit down at the negotiating table in Dubai—especially during something with a title as eyebrow-raising as “Dubai AI Week”—the rest of us IT mortals should probably start paying attention. Emirates Integrated Telecommunications Company, more digestibly known...