On October 31, 2011, the central link of the trading and clearing system of the MICEX stock market will be transferred to Intel platform and operating system Red Hat Enterprise Linux Server 5.7 MRG. The migration to the new platform will improve the performance and the information capacity of the system many times. This update does not affect the functionality of the trading and clearing system. The full-scale testing of the new system was conducted jointly with participants in trading and representatives of the MICEX Committee for Information and Technology services in the framework of load testing of the trading system on September 17, 2011.