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Recent TCP Enchancements

Recently (2013-2016)  there have been a number of enhancements to the Linux TCP code that potentially can have a large impact on TCP throughput. A number of these enhancements are described in this talk:

The most important changes include:

Most of these changes are now in RHEL/CentOS 7.2 and Debian 8. To try BBR TCP, or to get all of these changes on a RHEL/CentOS6 host, try using the latest 'stable' kernel from kernel.org. The easiest way to install this kernel is to use the ELRepo kernel.