https://community.appian.com/discussions/f/administration/4270/hi-i-am-just-doing-a-cluster-setup-install-of-appian-7-8-our-applicationHi, I am just doing a cluster setup install of Appian 7.8. Our application server team wants to know what exact network protocol is used for the communication between appian and the search server. My guess would be HTTP. Can anyone confirm this? Thanksen-USTelligent Community 12https://community.appian.com/thread/15261?ContentTypeID=1Thu, 12 Feb 2015 21:35:59 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:df3c15fa-e3bd-4888-ad51-0eae4b145663moritzwThat&#39;s just what I was looking for. Thanks a lot!<div style="clear:both;"></div>https://community.appian.com/thread/15260?ContentTypeID=1Thu, 12 Feb 2015 21:19:35 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:1617f800-fb59-4031-bcce-d833fe860fc9Tyler CristeTCP/IP. The Appian architecture document might be helpful:<br /><a href="https://forum.appian.com/suite/help/7.8/Architecture.html">forum.appian.com/.../Architecture.html</a><div style="clear:both;"></div>