Messaging & Communication
How Does a Typical Push Notification System Work
Push notification systems deliver timely updates to users' devices by routing messages through platform-specific gateways, requiring careful consideration of scale, reliability, and user experience. These systems must handle asynchronous delivery, potential message loss, and the need for prioritization while adhering to platform-specific constraints.
Apple Push Notification Service (APNs)Firebase Cloud Messaging (FCM)Device TokenHTTP/2Message Queue (Kafka)IdempotencyRate LimitingMessage Prioritization
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How Does a Typical Push Notification System Work - System Design Diagram
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