Aerospace & Defense Technology - February 2024 - 24

Embedded Computing
A ground vehicle system is entirely
made up of complex subsystems. The
reference architecture developed in this
effort utilized a combination of virtualized
I/O interfaces and TSN to enable
the common compute i.e., SmartIO, to
process, transmit, and receive sensor
data distributed throughout the vehicle.
Distributed processing and I/O
in this context mean that the system
must have the ability to route hardware
peripheral data, such as CAN, throughCritical
RTOS
VMM
Non-Critical
OS
VMM
Non-Critical
OS
VMM
Software
Abstraction
out the entire system. Another benefit
of conforming I/O with virtual interfaces
is the reusability and portability of
that software across different computing
architectures (i.e. x86, RISC-V, etc.).
Virtualized conformant I/O also
enables security enhancements for a
more hardened posture. seL4 provides
great access control of hardware components
within VM(s) to prevent any
undesired access from one subsystem
to another. Finally, virtualized conformant
I/O provides a lower attack surface
by virtue of SWAP-C requirements.
With one common compute platform
the lower physical footprint results in a
smaller attack surface for an Intrusion
Detection System (IDS) to monitor.
Future Improvements
TSN benchmarking indicated that
seL4
Target Hardware
Figure 3: The seL4 Hypervisor Mode is outlined here.
Sensors/
Receivers
Controllers
Effectors/
Transmitters
Portable Software Applications
360
CIS CDS
GCIA FACE Portable Components Segement (G-PCS)
GCIA OSS
Interface
Capability
Components
GCIA TS Interface
Common Time
Vehicle Network/
Data Sharing
I/O
Adapter
Network
Switch
*Data
Storage
Common
Computing
Crew Station
Computing
Display/HMI
Automotive
Subsystems
& Actuators
Software
Infrastructure
GCIA FACE Transport Services Segment (G-TSS)
GCIA TS Interface
CIS CDS
Software
Infrastructure
GCIA FACE Platform-Specific Services Segment (G-PSSS)
GCIA IOS Interface
GCIA FACE I/O Services Segment (G-IOSS)
GCIA OSS
Interface
GCIA FACE Operationg System Segment (G-OSS)
GCIA OSS
Interface
GCIA OSS
Interface
there is a need to investigate how to
obtain performance gains within the
seL4 microkernel. Naturally, due to virtualization,
there is an expectation of
some performance degradation with
respect to TSN benchmarking; however,
the results indicate that beyond the
Common Infrastructure
(GCIA 2.0)
Saftey Infrastructure
Cybersecurity Infrastructure
GCIA Network
Legacy
*To be further defined in future revisions
Platform
Figure 4: The GCIA architecture.
24
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Aerospace & Defense Technology - February 2024

Table of Contents for the Digital Edition of Aerospace & Defense Technology - February 2024

Aerospace & Defense Technology - February 2024 - Intro
Aerospace & Defense Technology - February 2024 - Sponsor
Aerospace & Defense Technology - February 2024 - CVRFLAP1
Aerospace & Defense Technology - February 2024 - CVRFLAP2
Aerospace & Defense Technology - February 2024 - Cover1
Aerospace & Defense Technology - February 2024 - Cover2
Aerospace & Defense Technology - February 2024 - 1
Aerospace & Defense Technology - February 2024 - 2
Aerospace & Defense Technology - February 2024 - 3
Aerospace & Defense Technology - February 2024 - 4
Aerospace & Defense Technology - February 2024 - 5
Aerospace & Defense Technology - February 2024 - 6
Aerospace & Defense Technology - February 2024 - 7
Aerospace & Defense Technology - February 2024 - 8
Aerospace & Defense Technology - February 2024 - 9
Aerospace & Defense Technology - February 2024 - 10
Aerospace & Defense Technology - February 2024 - 11
Aerospace & Defense Technology - February 2024 - 12
Aerospace & Defense Technology - February 2024 - 13
Aerospace & Defense Technology - February 2024 - 14
Aerospace & Defense Technology - February 2024 - 15
Aerospace & Defense Technology - February 2024 - 16
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Aerospace & Defense Technology - February 2024 - 19
Aerospace & Defense Technology - February 2024 - 20
Aerospace & Defense Technology - February 2024 - 21
Aerospace & Defense Technology - February 2024 - 22
Aerospace & Defense Technology - February 2024 - 23
Aerospace & Defense Technology - February 2024 - 24
Aerospace & Defense Technology - February 2024 - 25
Aerospace & Defense Technology - February 2024 - 26
Aerospace & Defense Technology - February 2024 - 27
Aerospace & Defense Technology - February 2024 - 28
Aerospace & Defense Technology - February 2024 - 29
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Aerospace & Defense Technology - February 2024 - 42
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Aerospace & Defense Technology - February 2024 - 49
Aerospace & Defense Technology - February 2024 - 50
Aerospace & Defense Technology - February 2024 - 51
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Aerospace & Defense Technology - February 2024 - 58
Aerospace & Defense Technology - February 2024 - Cover3
Aerospace & Defense Technology - February 2024 - Cover4
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