Services
The systems under the conversation.
The systems under the product: real-time channels, presence, receipts, and notifications.
Explanation
Messaging infrastructure is the layer that moves messages: real-time channels, presence, delivery receipts, and notifications. Products depend on it even when users never see it named.
Capabilities
- Real-time channels
- Presence
- Delivery receipts
- Notifications
How it works
- 01Establish channels for live delivery.
- 02Track presence so availability is not guessed.
- 03Confirm delivery and notify when the user is elsewhere.
Technical detail
Channels carry events. Presence is a separate, short-lived signal. Receipts record that a message reached the intended client. Notifications fan out when the application is not in the foreground. Each piece has its own failure mode; we operate them as one system.
Operational considerations
Infrastructure is monitored in production. Failures show up as missed messages, stale presence, or silent notifications — we treat those as operational incidents, not as UI bugs alone.
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