PubNub 101

Getting Started

• PubNub Support Portal
• How does PubNub work?
• What are the demo keys for?
• What is a userId (formerly UUID)?
• What is PubNub?
• What protocol does PubNub use?

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Channels

• Can PubNub support millions of users and millions of channels?
• How many channels can I use?
• What are valid channel names?
• What happens to messages published when no one is listening?
• What is a channel?

Speed, Throughput & Latency

• How do I monitor latency from my location?
• How fast can I publish messages?
• How many concurrent connections can I use?
• What is PubNub response time in China?
• What is PubNub's average response time?

Security

• Can I hide my application keys?
• Can I restrict subscribers by IP or URL?
• Can I use PubNub with AES?
• Can I Use PubNub with TLS (HTTPS)?
• Can I whitelist IPs for PubNub traffic?
• Can PubNub avoid Denial-of-Service (DoS) attacks?

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Virtual Events

• What if I need live support during my virtual event?
• What to do if I am hosting a virtual event?

Advanced Topics

• Can PubNub be used for realtime, multi-player games?
• Can PubNub be used for sporting events?
• Custom origin - what is it and how to use it
• Does PubNub offer a self-hosted solution?
• Does PubNub run on browsers lacking CORS2 support?
• Does PubNub support the UDP protocol?

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