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Optimizing Quality of Service for VMware vSphere* 4 Networking with Intel® Ethernet 10 Gigabit Server Adapters
The industry transition to 10 Gigabit Ethernet (10GbE) has enabled network unification and consolidation, as well as robust support for virtualized usage models. At the same time, however, combining traffic that has been traditionally separated on multiple physical networks and server adapters creates new considerations in terms of guaranteeing quality of service (QoS). This paper continues a series that began with the paper, “Simplify VMware vSphere* 4 Networking with Intel® Ethernet 10 Gigabit Server Adapters,”1 to examine best practices for analyzing, monitoring, and controlling bandwidth in VMware vSphere 4.1 environments when using 10GbE.
The first paper in the series provides guidance and best practices for moving from Gigabit Ethernet (GbE) to 10GbE networking in the virtualized data center. This paper builds on that discussion with a focus on QoS to provide network architects and decision makers with an overview of the changes in networking capabilities introduced in vSphere 4.1, specifically with regard to the synergies between those new features and Intel Ethernet 10 Gigabit Server Adapters.