RTX is a high-performance, deterministic, real-time extension for Windows XP, Windows 2000, or Windows NT, designed to enable rapid development of solutions that demand hard real-time. RTX provides rapid start-up, direct control and ownership of scheduling, the highest availability, and use of the Windows development tools and common Windows APIs. Real-Time TCP/IP, included with RTX, provides tools to embed high performance real-time networking protocols into systems and applications.