architecture

Real-Time WebSocket Orchestration

31 December 2025 · 1 min read

Building a fault-tolerant WebSocket mesh that handles 50K concurrent voice sessions.

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Connection Management

At 50K concurrent connections, you cannot treat each WebSocket as independent. Our connection pool groups sessions by region and maintains a heartbeat protocol detecting stale connections within 3 seconds.

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Graceful Degradation

Connection pooling: Regional grouping with affinity routing
Heartbeat protocol: 3-second stale detection
Pod scaling: Horizontal autoscaling based on connection count
Failover: Cross-region migration with session state transfer

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