SUSE Linux Enterprise Real Time continues to gain market momentum. Within the past few days, both IBM and SUN have added support for their real-time middleware and Java hardware on SUSE Linux Enterprise Real Time.
SUSE Linux Enterprise Real Time is a fully supported, real-time operating system, specifically engineered to reduce latency, and increase the predictability and reliability of time-sensitive, mission-critical applications.
With Sun and IBM's support and endorsement, enterprises running latency-sensitive, mission-critical Java applications, such as financial institutions, can be assured of the highest possible performance and availability across their entire solution stack.

From: Crismon’s Blog » Blog Archive » IBM e Sun contribuiscono a “SUSE Linux Enterprise real time”