High Availability CloudScale Networks • 5 min read

Zero Data Loss: Surviving an Entire Major Cloud Region Outage in Under 3 Seconds

When a primary cloud provider experienced an unannounced 4-hour regional power failure, PulseFlow AI automatically rerouted 45,000 active customer websocket streams to secondary GCP clusters in 2.8 seconds.

< 3 sec
Recovery Time Objective (RTO)
0 bytes
Data Loss (RPO = 0)
100%
SLA Maintained During Outage
0
Manual PagerDuty Incidents
Code Matrix
Multi-Cloud Disaster Recovery Simulation: AWS to GCP Automatic Failover Succeeded

The Challenge: Regional Cloud Fragility

Cloud providers guarantee high availability, but real-world fiber cuts, BGP routing blackouts, and transformer fires still take down entire geographic zones. CloudScale Networks handles telecom packet metadata where 60 seconds of downtime incurs significant contractual penalties.

The Solution: Real-Time Active-Active Anycast Replication

PulseFlow AI maintained an active-active topology across Amazon EKS (us-east-1) and Google GKE (us-central1). When heartbeat degradation hit 15% threshold:

  • PulseFlow DNS and BGP anycast nodes rerouted DNS resolution instantly away from the failing availability zone.
  • Stateful write-ahead replication was verified through distributed raft consensus.
  • Engineers received an automated summary on Slack without ever needing to log into the AWS console during panic hours.
"When us-east-1 collapsed, our competitors were dark for four hours. Our users didn't even notice a video jitter. PulseFlow had us running in Frankfurt and Iowa before the AWS status dashboard even turned yellow."
— David K., Director of Reliability Engineering

Quick Facts

Customer
CloudScale Networks
Deployment
Active-Active Multi-Cloud Mesh

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