ENCLOSURE (1) to COMDTINST 5230.59
DECEMBER 1999
U.S. Coast Guard Common Operating Environment (USCG COE)
2.1. Technical Architecture Layer
In reference to the previous illustration, the Technical Architecture (TA) is the foundation layer
of the USCG COE. This layer defines the U.S. Coast Guard standard IT hardware including
computers, communication components, electronics, and sensors that are used to acquire, store,
process, and transmit information. Periodic updates to the TA, leveraging rapid advancements in
technology, are necessary to address new or changing IT requirements. Commandant G-SIA
manages the configuration of the TA through the USCG COE configuration management process
described in section 4.0.
The USCG C4I Baseline Architecture, COMDTINST 3090.6 (series), describes the USCG C4I
and sensors baseline architecture as a subset of the Technical Architecture. This document is
maintained by G-OCC, the Office of Command and Control Architecture. The most current
The U.S. Coast Guard Standard Workstation III COE describes the Coast Guard's Office
Automation desktop environment as another subset of the Technical Architecture. The most
current configuration may be found at the following web site:
The Information Systems Technical Architecture (ISTA), COMDINST M5230.45 (series),
describes the IT standards which support the elements of the Technical Architecture. This
document is maintained by Commandant, G-SIA. The most current version may be found at the
2.2. Kernel Layer
The COE kernel is the mandatory minimal set of software required on every workstation to
provide certain common services regardless of platform, or purpose. The base of the Kernel layer
is a Portable Operating System Interface (POSIX)-compliant operating system. The USCG COE
kernel includes the Operating System, Windowing Services, Graphical User Interface (GUI) and
commercial product elements that provide additional functionality (e.g. system administration,
security administration, executive management, administration templates, as well as USCG COE
installation tools). This is the foundation of the USCG Standard Workstation standard image.
2.3. Infrastructure Services Layer
Infrastructure Services are a set of capabilities provided to support mission applications and
systems operations on an as- required basis. Examples of Infrastructure Services include data
management services, presentation services, and communications services. Infrastructure services
expand and supplement the basic services provided in the kernel and are installed at the discretion
of a site administrator.
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