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OS Optimization
Windows OS
Make sure latest updates for Windows are installed. Microsoft provides Performance Tuning Guidelines
targeting Server clients:
http://msdn.microsoft.com/en-us/windows/hardware/gg463392.aspx
TCP/IP Tuning
Default TCP/IP optimization for Windows allows 10GbE wire speed network performance for limited time.
Usually TCP connections are limited in time and do not live for more than a few hours. Default Windows
TCP/IP stack is optimized for WAN, long distance media connections.
For long time LAN TCP/IP connection, please use Benchmark Performance Tuning part of this document for
proper OS configuration.
RSS
RSS is a mechanism for distributing the received traffic across available processors or cores. At least 4
cores must be allocated in order to achieve maximum throughput in bidirectional 10GbE traffic.
Linux OS
Default Linux OS optimize IPv4 traffic for the best user experience. TCP/IP traffic is usually stable for long
period of times and no optimization is required. Some distributions could enable different IRQ SMP affinity
methods. See IRQ SMP affinity for Benchmarks below.
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