The send and receive latency results for FIX Antenna Java 2.11.25 in comparison with QuickFIX/j 1.5.3 are represented in the table below. This benchmark measures a delay between sending message from one side and receiving it by another. Also this time includes the system delay for passing data through localhost loop. The starting point of measure is a point before calling to FIXSession.sendMessage() by sender (t1) and the end point is inside the user callback on the acceptor side (t4).