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Microsoft® Lync® Server 2013 Unleashed Second Edition by Randy Wintle, Alex Lewis, David Ross, Tom Pacyk

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Configuring Quality of Service

Quality of Service (QoS) can be used in networks where the media traffic used by Lync Server 2030 servers and clients should have a higher priority than other traffic using the same infrastructure. This is done by having the Lync servers and endpoints tag their media traffic packets with a specific Differentiated Services Code Point (DSCP) value. Routers within the network are then configured to prioritize traffic based on the DSCP values included with packets.

DSCP marking in Lync Server 2013 is done by using the policy-based QoS first introduced with Windows Server 2008 and Windows Vista. These policies are controlled through Windows Group Policy and can mark traffic with DSCP codes based on application names ...

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