Aerospace & Defense Technology - February 2022 - 10

Rugged Computing
through shared resources for external sensors, antennas, and
amplifiers. It enables rapid technology insertion using best
of breed capabilities to address emerging requirements and
lays the foundation for enhanced interoperability and simultaneity
amongst C4ISR capabilities.
The CMOSS Software Layer
CMOSS has adopted frameworks that abstract the hardware
from the software to enable software portability and
reuse. These frameworks include:
* FACE: The Open Group's Future Airborne Capability
Environment (FACE) Consortium defines standards for
avionics and general purpose computing
Figure 4. The SOSA-aligned VPX3-670 A-PNT card integrates a CSAC, IMU, and
GBGRAM Type-II SAASM/M-Code receiver. External network-enabled sensors
can also be added and integrated with the pntOS software.
orative innovation of numerous participants across the DoD
enterprise, to share risk, maximize reuse of assets, and reduce
ownership cost. MOSA allows the DoD to incrementally
acquire warfighting capabilities, including systems, subsystems,
software components, and services, with more flexibility,
competition, and innovation. The key goals of MOSA
include:
* Significant cost savings or avoidance;
* Schedule reduction and rapidly deploy new technology;
* Opportunities for technical upgrades and refresh;
* Increased interoperability, including system of systems
interoperability and mission integration;
* Additional benefits during the sustainment phase of a
major system.
MOSA Enabling Standards
It's important to keep in mind that MOSA is not itself a
standard, but rather a procurement philosophy for which a
number of existing aligned standards serve as instantiations.
These MOSA enabling standards are widely accepted, supported
and consensus-based, and set by recognized standards
organizations or the marketplace.
Examples of MOSA Enabling Standards:
CMOSS: CMOSS is a suite of standards developed and
maintained by the US Army to support Army procurements
that respond to program office schedules and needs. CMOSS
solutions facilitate a Universal A-Kit that enables project
managers to field capabilities as cards into a common chassis,
while eliminating the need for platform specific integration.
Using CMOSS, capabilities can be fielded as cards
in common chassis and antennas/amplifiers using existing
cabling. CMOSS is divided into a software layer, functional
decomposition layer, hardware layer and network layer, with
MOSA aligned standards identified to realize each layer.
CMOSS standards support the reduction of the size, weight
and power of C5ISR and EW systems while increasing the
flexibility and adaptability of these systems. For example,
CMOSS reduces the SWaP footprint of C4ISR systems
10
* REDHAWK: The National Security Agency's (NSA) REDHAWK
is a software-defined radio (SDR) framework
designed to support the development, deployment, and
management of real-time software radio applications.
It provides tools that allow development and testing of
software modules called " Components " and composition
of Components into " Waveform Applications " that can
be seamlessly deployed on a single computer or multiple
network-enabled computers. REDHAWK is released to
Open Source Software (OSS) and is available to the public.
The CMOSS Functional Decomposition Layer
* MORA: The Army's Modular Open RF Architecture
(MORA) core objective is to logically decompose radio
frequency (RF) systems for efficiency, flexibility, reusability,
and scalability while enabling management, health
monitoring, and sharing of raw and/or processed data.
It provides a decomposition for radios, establishes the
radiohead construct, remoting the amplifier with the
antenna so that antennas, amplifiers and RF resources
on the platform can be shared. MORA is an extension of
the Army's Vehicular Integration for C4ISR/EW Interoperability
(VICTORY) architecture.
The CMOSS Hardware Layer
* OpenVPX: The CMOSS hardware layer adopts the OpenVPX
standard, defined by the VITA trade association's
VITA Standards Organization (VSO). Based on VITA's
VPX standards, which define 3U and 6U modules, it
is focused on system-level requirements to improve
interoperability and reduce customization, testing, cost,
and risk. OpenVPX was created to answer this system-level
need. OpenVPX defines a set of system implementations
within VPX, including multiple planes for
Utility, Management, Control, Data and Expansion
The CMOSS Network Layer:
* VICTORY: The Army's Vehicular Integration for C4ISR/
EW Interoperability (VICTORY) standard establishes the
network data bus on the platform and allows the discovering
and sharing of services such as PNT. It enables
pooled radio resources such as antennas and amplifiers
for Communications, EW and SIGINT systems. VICTORY
enables shared processing resources such as computers
and displays, and shared data services such as PNT. It
provides a foundation for enhanced interoperability and
simultaneity between C5ISR systems and enables the
rapid insertion of new technology and capabilities.
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