[1] GridHTTP - GridSiteWiki http://www.gridsite.org/wiki/GridHTTP

[2] Secured Bulk File Transfer over HTTP(S) (2006-09-18 19:38:56 +09:00 版) http://www.nesc.ac.uk/talks/ahm2006/609.pdf

[3] mod_gridsite(8) - Linux man page (2014-11-15 14:00:19 +09:00 版) http://linux.die.net/man/8/mod_gridsite

[4] 310048 – can't set Upgrade header on an XMLHttpRequest (2014-11-15 14:03:12 +09:00 版) https://bugzilla.mozilla.org/show_bug.cgi?id=310048