Data integrity in Ably Pub/Sub

Easily power any realtime experience in your application. No complex infrastructure to manage or provision. Just a simple API that handles everything realtime, and lets you focus on your code.

Easily power any realtime experience in your application. No complex infrastructure to manage or provision. Just a simple API that handles everything realtime, and lets you focus on your code.

When you publish a message to Ably Pub/Sub, you can be confident that the message will be delivered to subscribing clients, wherever they are in the world.

Ably is fast: we have a 99th percentile transmit latency of <50ms from any of our 635 global PoPs, that receive at least 1% of our global traffic. But being fast isn’t enough; Ably is also dependable and scalable. Ably doesn’t sacrifice data integrity for speed or scale; it’s fast and safe.

This post describes the Ably Pub/Sub architecture and features that guarantee your Pub/Sub message is delivered, in order, exactly once, to clients globally; while protecting against regional data center failures, individual instance failures, and cross-region network partitions.

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