Fun with VxWorks MILS 2.1

By Paul Parkinson

Parkinson_lg It's been awhile since my previous blog, as I have been rather preoccupied with responding to a number of RFPs. However, I’ve managed to find some time to work on some demos for VxWorks MILS 2.1, which has been fun.

VxWorks MILS 2.1 introduced support for Wind River Linux as a Guest OS (VxWorks Guest OS and High Assurance Environment (HAE) having been supported in the earlier VxWorks MILS 2.0 release). I wanted to get some more hands-on experience of using Wind River Linux as a Guest OS (GOS) running on the VxWorks MILS 2.1 Separation Kernel (SK). So, I started with a version of theBlaster Blastee demo which had been modified by one of my colleagues in Engineering to use a Linux GOS partition for the Blaster. (Blaster Blastee is a well-known Wind River demo which provides a nice flexible framework for blasting TCP or UDP packets between nodes, testing network connectivity and performance).

 I thought it would be an interesting exercise to extend the demo to also use Linux in a second partition as the Blastee (receiver), to demonstrate the scalability and determinism of the MILS SK with multiple Linux virtual boards (VB).

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