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Overview

There is a new low latency socket option available in RHEL 7.1 called SO_BUSY_POLL that can be used with FIX Antenna C++ to reduce the latency of message receiving. The socket option can be applied to a small number of FIX session connections created in AGGRESSIVE_RECEIVE or AGGRESSIVE_SEND_AND_RECEIVE modes. The number of connections covered should be kept small because each socket in this mode keeps one CPU core completely busy.

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