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Ably FAQs
Performance and Redundancy
Account billing and packages
Packages & Pricing
Committed Use
Charges
SLA & Uptime Guarantees
General
FAQ
Getting Started
Contacting us
Architectural Advice
Realtime API and client libraries
Platform support
Connections
Common issues
Authentication
Troubleshooting
Device support
Development tools
Channels
Messages
Subscribing and publishing
Presence
Namespaces and naming
General
History
Occupancy
REST API and client libraries
Usage
Common issues
Ably error codes
General
Client errors
Server errors
Reactor Errors
Connection Errors
Channel Errors
Other
Account and app setup and configuration
Accounts and apps
Keys and tokens
User management
Account maintenance
Ably architecture, transports, and security
Transports and connections
Security
Protocol support and protocol adapters
Data centres
Ably architecture design
Performance and Redundancy
Redundancy & reliability
Performance
Push Notifications
Setup
Common questions
Troubleshooting
Reactor Queues, Events and Firehose
Reactor Events, Webhooks and Functions
Reactor Message Queues
Reactor Firehose
Migrating to Ably from an existing service
Migrating from PubNub
Migrating from Realtime.co
Migrating from Pusher
Migrating from Socket.io
API Streamer
General
Connections
Performance and Redundancy
The steps we go through to ensure optimal reliability
Redundancy & reliability
What happens if an Ably datacenter crashes or is terminated?
Message durability and QoS (Quality of Service)
Routing around network and DNS issues
Self-healing cluster
Performance
Do you have any single point of congestion that limits your global performance?
Does the Ably service work in China?
Round-trip latency and performance
Why are some REST publishes on a channel slow, and then typically faster on subsequent publishes?
Are you able to scale Ably indefinitely to meet demand?
Can I run my own latency / performance tests against your service easily?
Debugging slow REST requests
How can I confirm Network Access to Ably?
How much latency does using Ably's adaptors add?
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