Microsoft Skype for Business Server 2015
Problem this snippet solves: New release candidate iApp template and deployment guide for Microsoft Skype for Business Server 2015 (formerly Lync Server 2010/2013).
For more information and complet...
Published Jul 06, 2015
Version 1.0
You should use the VIP, but you need to allow direct communication between clients and the Edge servers as well. The initial connection will hit the VIP(s), and most everything else after that is direct.
 
This blog post goes into more detail: https://devcentral.f5.com/s/articles/the-hopefully-definitive-guide-to-load-balancing-lync-edge-servers-with-a-hardware-load-balancer