im架構設計目錄

0.im設計

https://www.163.com/dy/article/G69UAB430511X1MK.html

1.保證在線實時消息的可靠投遞

http://www.habadog.com/2015/04/29/webim-msg-send-ack/

https://www.163.com/dy/article/G69UAB430511X1MK.html

2.微信長輪訓機制

http://www.habadog.com/2015/04/28/webim-msg-ontime/

3.移動端IM中大規模羣消息的推送如何保證效率、實時性

https://cloud.tencent.com/developer/article/1194225

4.用戶狀態管理

http://www.52im.net/thread-715-1-1.html