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The CCSDS Collaborative Work Environment (CWE) > Systems Engineering Area (SEA)
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SEA Area
OVERVIEW - SYSTEMS ENGINEERING AREA (SEA)
Welcome to the Systems Engineering Area (SEA) Collaborative Work
Environment.
The System Engineering Area (SEA) supports the work of the CCSDS by
providing :
- Overall architecture for space mission communications, operations,
and cross-support
- Coordination and collaboration with the other areas about
architectural choices and options
- Supporting the CESG in evaluating consistency of all area programs
of work with the defined architecture
- Creating such working groups and BoFs as are required to progress
the work of CCSDS
PUBLICATIONS
SEA Area Approved Publications can be accessed by
clicking here.
All CCSDS Approved Publications can be accessed by
clicking here.POINTS OF CONTACT
 Area
Director: Peter Shames
NASA/Jet Propulsion Laboratory
M/S: 301-265
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA
Telephone: +1 818 354 5740
FAX: +1 818 393 1333
E-mail:
Peter.M.Shames@jpl.nasa.gov
Bio:
Click Here
 Deputy
Area Director: Takahiro Yamada
Japan Aerospace
Exploration Agency
3-1-1 Yoshinodai
Sagamihara 229
Japan
Telephone: +81 42 759 8316
Fax: +81 42 759 8319
E-mail:
tyamada@pub.isas.jaxa.jp
Bio:
Click Here
MAILING LIST
sea@mailman.ccsds.org
Click here to
join mail list
Click
here to view archives
SEA-IA
OVERVIEW - INFORMATION ARCHITECTURE WORKING GROUP (SEA-IA)
Welcome to the Information Architecture Working Group
Collaborative Work Environment. The Information Architecture
Working Group (SEA-IA) falls under the Systems Engineering (SEA)
Areas of the CCSDS.
In the absence of information system standards for
interoperability and cross-support we have seen systems be
developed that do not allow the exchange of information across
ground and flight systems and across agency data systems.
The focus of this working group is to define a reference Space
Information Architecture that encompasses the capture,
management and exchange of data for both flight and ground
environments across the operational mission lifecycle. The
includes standard functional components for information
management, definition of standard interfaces for information
management, standards in information representation (data
structuring and packaging mechanisms) and standard definitions
of information processes (how the users and the systems
interact).
This includes defining how existing standards fit into an
overall reference architecture. The reference architecture
should encompass informatics aspects of space data systems and
cover all problem areas associated with space data systems (such
as organizational, functional, operational and cross support
issues). This working group has been delegated responsibility
for elaborating the Information Architecture for the Information
Viewpoint in the System Architecture being developed in the SAWG.
The products of this working group will be integrated into the
Reference Architecture for Space Data Systems (RASDS).
POINTS OF CONTACT
 Chair:
Daniel J. Crichton
NASA/Jet Propulsion Laboratory
MS 306-338
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA
Telephone: +1 818 354 9155
FAX: +1 818 393 3405
E-mail:
Dan.Crichton@jpl.nasa.gov
MAILING LIST
sea-ia@mailman.ccsds.org
Click here to join mail list
Click here to view archives
CHARTER
Click Here
SEA-SEC
OVERVIEW - SECURITY WORKING GROUP (SEA-SEC)
Welcome to the Security Working Group Collaborative Work
Environment. The Security Working Group (SEA-SEC) falls
under the Systems Engineering (SEA) Areas of the CCSDS.
CCSDS develops communications and mission operation
standards that support inter and intra agency operations
and cross support. CCSDS standards include elements of
flight and ground systems that are developed and
operated by different agencies and organizations.
Over the years, ubiquitous network connectivity among
principal investigators and mission operations has
become the norm, which makes mission operations more
dangerous than in the past when operations were carried
out over closed, mission-only networks. The security
risks to both spacecraft and ground systems have
increased to the point where CCSDS must adopt existing
or develop (as necessary) Information Security standards
in order to protect both flight and ground mission
critical resources and protect sensitive mission
information.
As a result, a mission threat statement for CCSDS should
be developed in order to allow mission planners to
better understand the threats that they should plan to
counter via security requirements. CCSDS also requires a
Security Architecture as part of its overall System
Architecture. CCSDS must promote secure interoperability
for space missions. CCSDS also requires Information
Security standards as part of, or as an accompaniment to
its communications and mission operations standards.
POINTS OF CONTACT
 Chair:
Howard Weiss
SPARTA, Inc.
7110 Samuel Morse Drive
Columbia, MD 20146
USA
Telephone: +1.443.430.8089
FAX: +1.443.430.8238
MAILING LIST
sea-sec@mailman.ccsds.org
Click here to join mail list
Click here to view archives
CHARTER
Click Here
SEA-SANA
OVERVIEW - SANA WORKING GROUP (SEA-SANA)
Welcome to the SEA SANA WG Collaborative Work
Environment. The SEA SANA WG (SEA-SANA) falls under the
Systems Engineering (SEA) Areas of the CCSDS.
The core registrar for the CMC’s activities is the SANA.
Many space mission protocols require that someone keep
track of key protocol numbering assignments that were
added after the protocol came out. Typical examples of
the kinds of registries needed are for Spacecraft IDs,
protocol version numbers, reserved APIDs and SFDU
Control Authorities. The SANA provides this key
configuration management service for CCSDS. The CMC
approves the organization that will act as the SANA. Its
public interface is focused through web-based services
provided by the Secretariat.
At present the SANA exists only as a concept. There are
many different data objects that need to be globally
accessible within the CCSDS in order to support mission
planning and operations and the activities of CCSDS
itself. A “Data Object”, within this context, is defined
as any known or imagined participant in mission
communications, planning, and operations or trajectory
propagation, tracking, attitude determination and orbit
determination.
POINTS OF CONTACT
 Chair:
Marc Blanchet
Viagenie
2875 boul. Laurier, suite 1150
Quebec, Quebec, Canada
G1V 2M2
Telephone:
+1-418-656-9254
E-mail:
marc.blanchet@viagenie.ca
MAILING LIST
sea-sana@mailman.ccsds.org
Click here to join mail list
Click here to view archives
CHARTER
Click Here
SEA-D-DOR
OVERVIEW - DELTA-DOR WORKING GROUP (SEA-D-DOR)
Welcome to the Delta-DOR Working Group
Collaborative Work Environment. The Delta-DOR Working Group (SEA-D-DOR) falls under the Systems Engineering (SEA)
Areas of the CCSDS.
This working group is
intended to provide a forum for developing an integrated
approach for delta differential one way ranging (D-DOR) end to
end services.
- Develop detailed requirements for delta differential one-way
ranging (Delta-DOR) service
- Coordinate work in other WGs (SIS/Ranging, CSS/CSTS, MOIMS/Nav)
- Develop integrated vision of service and interoperability
points
- Develop any over-arching documents, as needed
POINTS OF CONTACT
 Chair:
Roberto Maddè
ESA/ESOC
OPS-GSS
Robert Bosch Strasse 5
64293 Darmstadt
Germany
MAILING LIST
sea-d-dor@mailman.ccsds.org
Click here to join mail list
Click here to view archives
CHARTER
NA
SEA-TIME
OVERVIEW - TIME CODE FORMATS WORKING GROUP (SEA-TIME)
Welcome to the Time Code Formats Working Group
Collaborative Work Environment. The Time Code Formats
Working Group (SEA-TIME) falls under the Systems Engineering (SEA)
Areas of the CCSDS.
The Time Code Working Group will attempt to make the CCSDS unsegmented Time Code
Format more flexible as was originally intended by the CCSDS. Missions
have requested more flexibility in both the seconds and subseconds
portions of the unsegmented time code.
POINTS OF CONTACT
 Chair:
Ed Greenberg
NASA/Jet Propulsion Laboratory
M/S: 301-490
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA
Telephone: +1 818 354-3387
FAX: +1 818 393-6871
E-mail:
Edward.Greenberg@jpl.nasa.gov
MAILING LIST
sea-time@mailman.ccsds.org
Click here to join mail list
Click here to view archives
CHARTER
NA
SEA-TIME-BOF
OVERVIEW - TIME CORRELATION AND SYNCHRONIZATION BIRDS OF A
FEATHER (SEA-TIME-BOF)
Welcome to the Time Correlation and Synchronization Birds of a Feather
Collaborative Work Environment. The Time Code Formats
Birds of a Feather (SEA-TIME-BOF) falls under the Systems Engineering (SEA)
Areas of the CCSDS.
POINTS OF CONTACT
Chair:
Ed Greenberg
NASA/Jet Propulsion Laboratory
M/S: 301-490
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA
Telephone: +1 818 354-3387
FAX: +1 818 393-6871
E-mail:
Edward.Greenberg@jpl.nasa.gov
MAILING LIST
sea-time@mailman.ccsds.org
Click here to join mail list
Click here to view archives
CHARTER
NA
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