RTOS, Embedded Linux, Real-Time Operating System and DO-178B: LynuxWorks

LightStream 2010 ATM switch
A modular device with fault-tolerant capability

 

The industry-leading LightStream 2010 ATM switch was designed for high-performance, mission-critical enterprise backbone networks carrying data, voice, and video communications in both local and wide area. Based on a high-speed busless switching architecture, the LightStream 2010 is a modular device with fault-tolerant capability. The switch includes sophisticated bandwidth management and congestion avoidance capabilities that enable customers to reduce their wide-area bandwidth costs without compromising the quality of service provided to applications. (LightStream Corporation was eventually acquired by Cisco Networks.)

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LynxOS® was chosen as the operating system of the 2010 ATM switch to fulfill numerous requirements:

  1. determinism and full pre-emptibility
  2. reuse of existing C code software running on BSD UNIX®
  3. support for standard communications protocols (TCP/IP and NFS)
  4. support for the 68040's MMU (Memory Management Unit)
  5. support for virtual memory for lower-priority tasks such as network management, user interface, and maintenance functions
  6. development of all applications using Sun workstations
A LynuxWorks operating system in action: Communications
StarWorks Video Networking Software
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