5. You may Have Heard About
●
Forever Iframe
●
XMLHttpRequest Long Polling
●
Cometd
●
Websocket
●
●
http://en.wikipedia.org/wiki/Comet_(programming
)
TL;DR
36. Load Balancing using ELB
●
ELB (Elastic Load Balancer)'s HTTP(S) proxy
does not understand websocket requests
●
Use TCP/SSL, instead of HTTP/HTTPS
●
No session stickyness
●
No X-Forwarded-For header