Many RTOS flavors serve embedded
January 1, 2009 —
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Multicore, security, virtualization and more highly integrated software solutions have been driving changes to real-time operating systems, and developers expect those trends to accelerate this year.
Multicore and the need for integrated products are the biggest RTOS drivers; requirements for virtualization and security vary with the target application. “Multicore is gaining traction because speeds and feeds are always critical,” said Brian Gildon, wireless product marketing director at Enea.
But some RTOS vendors say embedded designs are about more than just speeds and feeds. A number of vendors discussed their products and market focus with SD Times.
Five-nines uptime
Enea has customers in the telecommunications, automotive and medical equipment sectors. But its main focus is telecoms, where Enea’s OSE RTOS can be found in everything from the core network infrastructure to network equipment to handsets. Some infrastructure and network equipment designs include two RTOSes: one for the control plane and Enea’s OSE for the data plane. OSE has also found design slots in 400 million handsets, according to the company.
Gildon said Enea’s message architecture is advantageous in the networking space, where, for example, media gateways can now provide better control of the environment. He also said Enea is one of the few vendors on the market that is delivering “fine nines” (99.999%) reliability, and that the company supports both symmetrical multiprocessing (SMP), in which multiple cores share processing tasks and memory, and asymmetrical multiprocessing (AMP), in which processors have dedicated functions and may not share all memory.
Enea is “focused on the transition from SMP to AMP. SMP is popular now, but AMP is where a lot of people will go in the future,” Gildon said. “We have a flexible architecture that provides backward compatibility and scalability.”
Enea also offers Optima, an Eclipse-based integrated development environment (IDE).
Systems approach
Kerry Johnson, director of product management at QNX Software Systems, said his company has been supporting SMP since 1996. However, at that time symmetrical multiprocessing was supported on single-core designs, such as Cisco’s networking products and high-end medical imaging applications built on Intel platforms.
Related Search Term(s): embedded development, Linux, multicore, RTOS, virtualization, DDC-I, Enea, Green Hills, LynuxWorks, Mentor Graphics, MontaVista, QNX, Quadros, Symbian, Wind River
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