Demystify HLB and DNS Load Balancing - Lync 2013 Topology with High Availability (POOLs, DNS LB vs HLB)
Lync 2013 Topology with High Availability (POOLs, DNS LB vs HLB) © 2014 - Thomas Pött, MVP Lync (modified 2015.08.18) Download PDF: here The most misunderstood topic in Lync is the high availability. This is regardless of server count, positioning or DNS versus hardware load balancing. Note: This document is neither a sizing nor a configuration guide. You should use this document only for your environment planning’s purposes. In my first chapter I need to drive into the different understandings of high availability. Client-to-Server and Server-to-Server traffic high availability: First I need to explain some generic settings bout load balancing. And one word before you read this article: My personal recommended opinion is the DNS+HLB 1-armed solution, this makes trouble shooting much more simplified and do not require so much network knowledge for the Lync admins. On the Edge server recommend only 1-armed and purely HLB. Client-to-Server The o...