One-way news

Wire 14

Choose

20,000 browsers watch a status feed. Each browser gets a new text update about every 10 s, and it must arrive within 1 s. Browsers never send messages on this channel. Choose the simplest transport that meets the need. Keep p99 below 150 ms.

Goals

Not tested yet

99 of 100 requests finish faster than this.What the servers and services cost each month.
Choose a design
A two-way WebSocket channel
HTTP/2 polling every second
A server-sent event stream