The countdown to Elevate 2026 is on. Join us in Chicago, London, or Sydney.

Register here

Partners

Docs

LM Academy

LM Community

Pricing

Platform
Solution
Industry
Role
There is no result.
Try it free

14-day access to the full LogicMonitor platform

The countdown to Elevate 2026 is on. Join us in Chicago, London, or Sydney.

Register here

LOGICMONITOR BLOG

Outage Retrospective: Why Cloud and CDN Outages Demand Better Resilience Planning

Cloudflare’s latest outage proves no provider is invincible. Learn why multi-CDN resilience and independent monitoring are essential for digital operations.

6–9 minutes
Denton Chikura

NEWSLETTER

Subscribe to our newsletter

Get the latest blogs, whitepapers, eGuides, and more straight into your inbox.

SHARE

The quick download

Major CDN outages are now routine, and single-vendor strategies are a proven liability.

  • Cloudflare, AWS, and Azure have all suffered significant outages in recent months, disrupting millions of users and critical business operations.

  • Single-CDN architectures concentrate risk at the layer closest to end users, leaving no fallback when failures hit.

  • Monitoring tools that depend on the same provider they monitor lose visibility exactly when it matters most.

  • Act now: map your dependencies, implement multi-CDN failover, and deploy independent monitoring before the next outage tests your resilience.


Cloudflare’s most recent outage took significant portions of the Internet offline, and it reflects a pattern that has become routine in digital infrastructure.

Outages at major cloud and content delivery network (CDN) providers are now a recurring reality. For most organizations, the question isn’t whether outages will happen, but when, and how prepared teams are to respond.

The Dangerous Illusion of Invincibility

Many organizations architect their entire digital presence around the assumption that cloud providers and CDN services will stay up. When a provider goes down and takes everything with it, teams that bet entirely on that vendor’s reliability have no fallback and no warning.

Consider the failures we’ve witnessed recently. In July 2025, Cloudflare went down again. On October 20, it was AWS’s turn. Fortnite and Roblox players were suddenly locked out. Duolingo learners watched their streaks disappear. Snapchat’s 400 million daily users couldn’t send messages or view stories. Even Eight Sleep mattresses malfunctioned: some overheated or got stuck upright when their cloud connections failed.

Just nine days later, on October 29, 2025, Microsoft Azure’s Front Door CDN had a global outage that lasted more than eight hours. The result was widespread latency, timeouts, and errors across Microsoft 365, Outlook, Teams, Xbox Live, and many websites hosted on Azure, as well as corporate applications that had a component (an API, cloud service, or authentication service) hosted on Azure.

Internet Sonar dashboard showing Azure’s recent global outage

None of these outages are isolated events. They’re evidence that cloud service failures are a persistent reality.

Cloud deployments carry the same failure modes as any infrastructure: misconfigurations, human error, failed updates, and cascading dependencies.

Digital systems are critical for daily life, and those systems are complex, interconnected, distributed, and interdependent. There’s no cloud magic that protects systems just because they’re hosted in the cloud.

The Mindset That Makes Organizations Vulnerable

Recently, someone shared this perspective: I’m on Cloudflare. I don’t need anything else. I don’t need monitoring.

That sentiment captures the heart of the issue. These massive Internet disruptions keep happening for reasons that go beyond technical failures. The deeper problem is a mindset: a belief that using Cloudflare, AWS, Azure, or any major platform somehow makes companies immune to failure. When people rely on a “trusted” provider, they feel justified in skipping resilience planning.

Moving Past the Assumption of Vendor Infallibility

CDNs have been critical for performance acceleration since the late 1990s. They reduce latency, absorb traffic spikes (and DDoS attacks), and cache content closer to users. Over time, though, organizations stopped treating CDNs as tools and started assuming they were fail-proof. That assumption is where risk accumulates.

Even the best CDNs have outages. DNS delays, BGP leaks, TLS misconfigurations, and, in Cloudflare’s case, an oversized threat management file can all result in prolonged downtime. If you’re locked into a single CDN without a fallback plan, there’s nowhere left to redirect your traffic when disaster strikes.

The Multi-Cloud Contradiction

There’s an ironic twist here. Enterprises invest heavily in multi-cloud strategies. They spread compute, storage, and databases across AWS, Azure, and Google Cloud, investing in complex architecture and ongoing management. Yet, for the CDN layer that actually connects users to their apps, they typically choose one vendor.

Most enterprises wouldn’t run critical backend systems in a single availability zone. Yet many still route all user-facing traffic through a single CDN, concentrating risk at the layer that matters most to the end user.

The impact goes beyond downtime. CDN outages frustrate users, erode brand credibility, and can negatively affect revenue and customer trust in seconds.

When Your CDN Is Also Your Eyes

The risk increases when companies depend on a single CDN for both critical delivery and performance monitoring. When a single vendor handles both delivery and monitoring, it can’t give you independent confirmation of its own failures.

When AWS’s massive outage struck, it didn’t just take down cloud services, apps, and enterprise platforms. It also knocked out many of the monitoring systems organizations depend on for real-time answers. A number of third-party observability platforms lost visibility or functionality precisely when organizations needed them most.

There’s a straightforward principle to follow: your monitoring must be independent from the system being monitored.

This is one of the core reasons LogicMonitor built its platform with Catchpoint, part of the LogicMonitor platform, running on an independent global agent network. When the services you depend on go down, your visibility into what’s happening shouldn’t go down with them.

Redundancy and Resilience: A Strategic Advantage

Adopting a multi-vendor architecture is a deliberate strategy that drives real business value in performance, cost, and control across several dimensions:

  • Regional Performance Optimization: Different CDN providers excel in different regions. One may dominate in Europe. Another performs best in Southeast Asia. Using the best performer for each geography means better outcomes for users everywhere.
  • Vendor Leverage and Cost Optimization: Multiple providers mean you retain bargaining power. If your CDN’s price goes up or service falters, you have the flexibility to move workloads. Being able to shift traffic also encourages competitive pricing.
  • Feature Flexibility: Providers specialize in varied areas, including edge compute, video delivery, TLS offload, and security features. A multi-CDN approach lets you choose the right platform for each job.
  • Resilience Through Redundancy: Automated failover and smart routing help multi-CDN systems maintain service, even during major outages. If one provider goes down, traffic shifts instantly, often before users notice. Organizations that pre-tested multi-CDN failover during the Azure Front Door outage recovered in seconds. Those relying on a single vendor experienced the full eight-plus hours of downtime.

Intelligent traffic steering: When traffic is critical, implementing traffic steering brings resilience along with the ability to make dynamic, real-time adjustments to optimize for user experience and cost. A multi-vendor strategy isn’t foolproof. It can fail without the right visibility and processes to support it. At LogicMonitor, we use Cloudflare as a primary CDN, but we also maintain backup accounts. Having a second, backup CDN isn’t that hard to set up.

Building Resilience: A Practical Framework

Resilience doesn’t arise by itself. It requires deliberate architectural choices and operational discipline.

  • Establish a Chief Resilience Officer Position: It’s time for companies to take this seriously and appoint a CRO who reports to the board. It needs to be an independent position with the authority to make the right investments and changes to minimize risk to the business.
  • Become Aware of Your Dependencies: Map out your dependencies, and the dependencies of your dependencies. When Azure went down, Docusign went down too. This is a serious issue for real estate businesses, for example, and most likely a dependency they hadn’t accounted for.
  • Plan for Failure: Apply chaos engineering practices: define the steady state for your systems, introduce controlled failure scenarios, and confirm that both systems and teams respond as designed. Regular fault injection builds the muscle memory that matters during real incidents.
  • Design Redundancy for Every Dependency: Eliminate single points of failure. Be prepared for any component of the system to fail. Distribution should be strategic, reflecting workload, geography, and risk.
  • Create Runbooks for Every Possible Failure: It’s important to document the process and desired actions when incidents happen, based on their scope and severity.
  • Test Failover Routinely: Simulate outages on a regular schedule. Confirm that both systems and staff respond well in emergencies. Practice makes sure no critical step is overlooked when customers depend on you.
  • Establish Independent Visibility: Use monitoring tools that give you independent visibility into every dependency and the ability to react quickly, minimizing impact to the business. Don’t rely only on vendor dashboards. LogicMonitor’s Catchpoint capabilities, including Internet Sonar, BGP Monitoring, and a global agent network, provide exactly this kind of independent, outside-in perspective.
  • Understand Global and Local Performance: Users in different regions can have very different experiences. Service outages can be regional. Performance variations can become meaningful quickly. Monitor from diverse global vantage points to understand the real-world user experience, not only global uptime metrics.

The Path Forward

The organizations that handle outages well build resilience before they need it, mapping dependencies, distributing risk, and validating failover before incidents happen.

Redundancy has become essential to resilience. And with LogicMonitor’s unified platform, combining LM Envision for infrastructure observability, Catchpoint for Internet Performance Monitoring, and Edwin AI for intelligent analysis and action, teams can see across the full path from user to code and respond to disruptions before they become business-impacting events.

Don’t wait for the next outage to expose your blind spots.

LogicMonitor’s unified platform combines LM Envision, Catchpoint, and Edwin AI to give you independent visibility across every dependency so you can respond before disruptions become business-impacting events.

FAQs

Why is a single-CDN strategy risky?

Even the most reliable CDN providers experience outages due to misconfigurations, DNS delays, BGP leaks, or software errors. When your only CDN goes down, all user-facing traffic stops with no fallback path. A multi-CDN architecture distributes that risk and enables automatic failover.

What does independent monitoring mean and why does it matter?

Independent monitoring means your observability tools run on infrastructure separate from the systems they monitor. When a provider outage takes down both your services and your monitoring, you lose visibility at the worst possible moment. Tools like Catchpoint’s global agent network maintain full visibility even during major provider failures.

How can organizations start building CDN resilience today?

Start by mapping all your CDN and cloud dependencies, including indirect ones. Set up a backup CDN account and test failover regularly. Deploy independent monitoring from diverse global vantage points, and create runbooks for different outage scenarios so teams can respond quickly.

By Denton Chikura

Technical Writer

Denton Chikura is a technical writer and longtime observability advocate focused on helping site reliability engineers and engineering teams discover the tools and capabilities that strengthen internet resilience. He works at the intersection of monitoring, performance, and infrastructure to make complex systems more understandable and usable, bridging the gap between deep technical detail and real‑world operations. His goal is to help teams build faster, detect issues earlier, and recover smarter, ultimately making the internet a better, more reliable place for everyone.

Disclaimer: The views expressed on this blog are those of the author and do not necessarily reflect the views of LogicMonitor or its affiliates.

By Denton Chikura

Technical Writer

Denton Chikura is a technical writer and longtime observability advocate focused on helping site reliability engineers and engineering teams discover the tools and capabilities that strengthen internet resilience. He works at the intersection of monitoring, performance, and infrastructure to make complex systems more understandable and usable, bridging the gap between deep technical detail and real‑world operations. His goal is to help teams build faster, detect issues earlier, and recover smarter, ultimately making the internet a better, more reliable place for everyone.

Disclaimer: The views expressed on this blog are those of the author and do not necessarily reflect the views of LogicMonitor or its affiliates.

© LogicMonitor 2026 | All rights reserved. | All trademarks, trade names, service marks, and logos referenced herein belong to their respective companies.

Related Blogs

Observability ROI: Real Savings From Real Deployments
Blog

Observability ROI: Real Savings From Real Deployments

Observability can cut alert noise, speed up incident response, reduce downtime, and give engineers more time for planned work. LogicMonitor customers have used those gains to lower costs and make better infrastructure decisions.
September 9, 2026
Learn more
Is HTTPS the Answer to Man in the Middle Attacks?
Blog

Is HTTPS the Answer to Man in the Middle Attacks?

See how synthetic monitoring exposed a hidden HTTP redirect attack, and why HTTPS, HSTS, and delivery-path visibility keep your users safe from interception.
September 9, 2026
Learn more
Stale DNS Glue Records: How to Diagnose Parent-Authoritative Mismatches
Blog

Stale DNS Glue Records: How to Diagnose Parent-Authoritative Mismatches

Your authoritative servers return the right IP, but users still hit the old one. Here’s how to find stale glue records and fix the parent-zone referral.
September 9, 2026
Learn more