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Microsoft® Lync Server 2010 Unleashed by Tom Pacyk, Andrew Abbate, Alex Lewis

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Web Services FQDN Overrides

When creating a Director pool in the Topology Builder, the web services FQDNs are automatically provisioned with an option to override the internal and external FQDNs. When a single Director is deployed, overriding the FQDN is generally unnecessary, but when multiple Directors are deployed, it might be necessary to change the URLs depending on load-balancing methods.

If a traditional load balancer is used for the SIP, HTTP, and HTTPS traffic, it is acceptable to use the pool FQDN suggested by the Topology Builder. This works great because all of the traffic is destined for the same virtual IP hosted by the load balancer. This kind of configuration is shown in Figure 9.5.

Figure 9.5 Using a Hardware Load Balancer for ...

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