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TECHNICAL CONTENT

CAST-32A

ROBUST PARTITIONING IS DEAD – WHAT NOW?

Picture of Tim Loveless | Principal Solutions Architect Tim Loveless | Principal Solutions Architect: Oct 19, 2022 2:00:48 PM
Multicore safety research from Barcelona Supercomputer Centre (BSC) says that a robustly partitioned hardware and software platform is practically impossible. With today’s multicore processors (MCPs), current RTOS, and hypervisor technology Dr.... Read More

Who Needs a Hypervisor?

Picture of Tim Loveless | Principal Solutions Architect Tim Loveless | Principal Solutions Architect: Feb 25, 2021 12:59:58 PM
_______________ The standard benefits of a hypervisor are well known and often touted. Every RTOS has its hypervisor and they do genuinely help embedded designers to: Partition multicore processors into virtual machines; an elegant way to... Read More

What is Cache Coloring and How Does it Work?

Picture of Tim Loveless | Principal Solutions Architect Tim Loveless | Principal Solutions Architect: Feb 5, 2021 11:52:40 AM
_______________ There are substantial challenges in building secure and safe systems on multicore processors (MCPs). Last level cache contention is undoubtedly the largest source of multicore interference, and a significant challenge for real-time... Read More

Challenges Building Safe Multicore Systems

Picture of Tim Loveless | Principal Solutions Architect Tim Loveless | Principal Solutions Architect: Jun 15, 2020 8:12:09 AM
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Field Notes: Safety-Critical Systems Symposium 2020

Picture of Tim Loveless | Principal Solutions Architect Tim Loveless | Principal Solutions Architect: Feb 24, 2020 12:34:50 PM
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TC-16/51: Adding Bottom Up Interference Analysis for MCPs

Picture of Mark Brown | Systems Architect Mark Brown | Systems Architect: Jan 28, 2020 2:20:00 PM
_______________ I hadn't heard of "bottom up" avionics certification before I read FAA's TC-16/51. But now, looking back at it, I think the authors from Thales Avionics, including Xavier Jean, PhD, proposed a big change in perspective. In their own... Read More

CAST-32A: Significance and Implications

Picture of Mark Brown | Systems Architect Mark Brown | Systems Architect: Nov 15, 2018 10:36:00 AM
_______________ CAST-32A presents the coordinated position of avionics certification authorities regarding Multi-Core Processors (MCPs). While today’s aerospace ecosystem could benefit from the use of MCPs, before CAST-32A was published, FAA/EASA... Read More