Load Balancer, Gateway and Session consideration
Untitled Document Generally Load Balancer in Lync must be used along with DNS load balancing or in an entire configuration. If you make used of DNS load balancing, the HLB will be used for HTTP/ HTTPS traffic ( Pool Web Services ). Using DNS LB has both sites, an advantage and disadvantage. Positive is, you can scale a HLB much higher if you only use it for HTTP traffic. The HLB can fully be utilized for SSL offloading. Negative is, you are depending on availability of your DNS infrastructure. Other disadvantage is, DNS based load balancing will never consider the real load on a Lync Server, since the algorithm cannot be aware about the real load. The Client make the decision which server it will connect to. Other is, if you want to make use of PIC, you still need a Load Balancer. Sum: It depends all on your feature set, load calculation, the server count and sure your budget ;) ---------------------------- Gateway consideration (keep in mind): There are ...