[웹] browser 별 max concurrent TCP sessions

• High Performance Browser Networking - O'Reilly Media

요즘 브라우저(modern browser) 는 mobile, desktop 모두 host 당 6개의 TCP session 병렬적으로 열 수 있다.

Firefox connections count

• concurrent TCP sessions • mozillaZine Forums

network.http.max-connections-per-server 15

network.http.max-persistent-connections-per-proxy 8

network.http.max-persistent-connections-per-server 6

javascript - Max parallel http connections in a browser? - Stack Overflow, 2012-10-22

• IE 7:       2
• IE 8:       6
• IE 10:      8
• Chrome:     6

• Michael's Blog - Internet Explorer 8 and Maximum Concurrent Connections

opera 에서는 max-connections 를 preferences 에서 수정할 수 있다고 한다.

• AJAX - Connectivity Enhancements in Windows Internet Explorer 8 (Internet Explorer), msdn

IE 8 : 6

Registry

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]

"MaxConnectionsPerServer"=dword:00000004

"MaxConnectionsPer1_0Server"=dword:00000004

• Issue 12066 - chromium - Match Firefox's per-host connection limit of 15 - An open-source project to help move the web forward. - Google Project Hosting, 2009-05-15
• Issue 285567 - chromium - Reconsider optimal connection-per-host limit - An open-source project to help move the web forward. - Google Project Hosting, 2013. 09. 04

Currently chrome limits to 6 connections per host.

• Issue 12066 - chromium - Match Firefox's per-host connection limit of 15 - An open-source project to help move the web forward. - Google Project Hosting

chrome 에서는 max connection 을 변경하는 option 을 제공하지 않는다.