ISO 23103:2020

INTERNATIONAL ISO
STANDARD 23103
First edition
2020-01
Space link extension — Cross support
transfer service — Specification
framework
Reference number
ISO 23103:2020(E)
©
ISO 2020

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ISO 23103:2020(E)

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© ISO 2020
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ii © ISO 2020 – All rights reserved

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ISO 23103:2020(E)
Foreword
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www.iso.org/iso/foreword.html.
This document was prepared by Consultative Committee for Space Data Systems (CCSDS) (as CCSDS
921.1-B-1, April 2017) and drafted in accordance with its editorial rules. It was assigned to Technical
Committee ISO/TC 20, Space vehicles, Subcommittee SC 13, Space data and information transfer systems
and adopted under the “fast-track procedure”.
Any feedback or questions on this document should be directed to the user’s national standards body.
A complete listing of these bodies can be found at www.iso.org/members.html.
© ISO 2020 – All rights reserved iii

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ISO 23103:2020(E)
CCSDS RECOMMENDED STANDARD FOR CSTS SPECIFICATION FRAMEWORK
CONTENTS
Section Page
1 INTRODUCTION . 1-1
1.1 PURPOSE . 1-1
1.2 SCOPE . 1-1
1.3 APPLICABILITY . 1-1
1.4 RATIONALE . 1-2
1.5 DOCUMENT STRUCTURE . 1-2
1.6 DEFINITIONS, NOMENCLATURE AND CONVENTIONS . 1-5
1.7 REFERENCES . 1-19
2 DESCRIPTION OF CROSS SUPPORT SERVICES . 2-1
2.1 OVERVIEW . 2-1
2.2 CROSS SUPPORT REFERENCE MODEL . 2-3
2.3 SERVICE MANAGEMENT . 2-4
2.4 ELEMENTS OF THE CSTS SPECIFICATION FRAMEWORK . 2-5
2.5 PRINCIPLES OF USING THE CSTS SPECIFICATION FRAMEWORK . 2-9
2.6 PROTOCOL DESCRIPTION . 2-11
3 COMMON OPERATIONS . 3-1
3.1 OVERVIEW . 3-1
3.2 GENERAL CONSIDERATIONS . 3-1
3.3 STANDARD OPERATION HEADER . 3-6
3.4 BIND (CONFIRMED) . 3-9
3.5 UNBIND (CONFIRMED) . 3-14
3.6 PEER-ABORT (UNCONFIRMED) . 3-15
3.7 START (CONFIRMED) . 3-17
3.8 STOP (CONFIRMED) . 3-19
3.9 TRANSFER-DATA (UNCONFIRMED) . 3-20
3.10 PROCESS-DATA (UNCONFIRMED / CONFIRMED) . 3-22
3.11 NOTIFY (UNCONFIRMED) . 3-24
3.12 GET (CONFIRMED) . 3-26
3.13 EXECUTE-DIRECTIVE (ACKNOWLEDGED) . 3-31
4 PROCEDURES . 4-1
4.1 OVERVIEW . 4-1
4.2 COMMON PROCEDURES BEHAVIOR . 4-1
4.3 ASSOCIATION CONTROL . 4-3
4.4 UNBUFFERED DATA DELIVERY . 4-10
CCSDS 921.1-B-1 Page vi April 2017
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ISO 23103:2020(E)
CCSDS RECOMMENDED STANDARD FOR CSTS SPECIFICATION FRAMEWORK
CONTENTS (continued)
Section Page
4.5 BUFFERED DATA DELIVERY . 4-15
4.6 DATA PROCESSING . 4-39
4.7 BUFFERED DATA PROCESSING. 4-54
4.8 SEQUENCE-CONTROLLED DATA PROCESSING . 4-66
4.9 INFORMATION QUERY . 4-83
4.10 CYCLIC REPORT . 4-87
4.11 NOTIFICATION . 4-98
4.12 THROW EVENT . 4-109
ANNEX A IMPLEMENTATION CONFORMANCE STATEMENT
PROFORMA (NORMATIVE) . A-1
ANNEX B PRODUCTION STATUS (NORMATIVE) .B-1
ANNEX C QUALIFIED PARAMETERS (NORMATIVE) . C-1
ANNEX D OBJECT IDENTIFIERS DEFINITION (NORMATIVE) . D-1
ANNEX E COMPOSITION OF PARAMETER, EVENT, AND DIRECTIVE
NAMES AND PARAMETER AND EVENT LISTS  (NORMATIVE) .E-1
ANNEX F DATA TYPES DEFINITION (NORMATIVE) . F-1
ANNEX G SERVICE STATE TABLES (NORMATIVE) . G-1
ANNEX H SECURITY, SANA, AND PATENT CONSIDERATIONS
(INFORMATIVE) . H-1
ANNEX I INFORMATIVE REFERENCES (INFORMATIVE) . I-1
ANNEX J INDEX TO DEFINITIONS (INFORMATIVE) . J-1
ANNEX K ACRONYMS (INFORMATIVE) . K-1
ANNEX L OBJECT IDENTIFIERS (INFORMATIVE) .L-1
ANNEX M PUBLISHED IDENTIFIERS FOR FUNCTIONAL
RESOURCES REGISTERED UNDER THE
CROSSSUPPORTFUNCTIONALITIES NODE (INFORMATIVE) . M-1
Figure
1-1 Cross Support Service Documentation . 1-4
2-1 CSTS Specification Framework Concept . 2-2
2-2 Service and Procedure States (Stateful Prime Procedure) . 2-13
2-3 Service and Procedure States (Stateless Prime Procedure) . 2-14
2-4 Communications Realization of a Cross Support Transfer Service . 2-17
4-1 Services Using a Buffered Data Delivery Procedure . 4-18
4-2 Real-Time and Complete Buffered Data Delivery Service Instances
and Supporting Buffering Mechanisms . 4-19
A-1 Production Status Diagram .B-1
C-1 CSTS and Cross Support Resources Root Object Identifier Tree . D-2
C-2 ‘procedures’ Subtree . D-6
CCSDS 921.1-B-1 Page vii April 2017
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ISO 23103:2020(E)
CCSDS RECOMMENDED STANDARD FOR CSTS SPECIFICATION FRAMEWORK
CONTENTS (continued)
Figure Page
C-3 ‘fwProceduresFunctionalities’ Subtree . D-8
C-4 ‘services’ Subtree . D-9
C-5 ‘service procedures’ Subtree . D-10
C-6 ‘crossSupportFunctionalities’ Subtree . D-12
C-7 ‘agenciesFunctionalities’ Subtree . D-14
L-1 Cross Support Services Part of the CCSDS Object Identifiers Tree . L-1
L-2 CSS Object Identifiers Tree . L-1
L-3 CSTS Object Identifiers Tree . L-2
L-4 CSTS Specification Framework Object Identifiers Tree . L-3
L-5 CSTS Services Object Identifiers Tree . L-4
L-6 CSTS Published Identifiers—Object Identifiers Tree . L-6
M-1 Example Cross Support Functional Resources . M-2
M-2 Subcarrier Related Parameters of the Rtn401SpaceLinkCarrierRecpt
Functional Resource . M-3

Table
2-1 Common Operations Defined by the CSTS Specification Framework . 2-6
2-2 Common Procedures Defined by the CSTS Specification Framework . 2-8
2-3 Use of Operations by Common Procedures . 2-9
3-1 Standard Confirmed Operation Header Parameters . 3-6
3-2 Standard Unconfirmed Operation Header Parameters . 3-6
3-3 BIND Operation Parameters . 3-10
3-4 UNBIND Operation Parameters . 3-14
3-5 PEER-ABORT Operation Parameters . 3-15
3-6 START Operation Parameters . 3-18
3-7 STOP Operation Parameters . 3-19
3-8 TRANSFER-DATA Operation Parameters . 3-20
3-9 PROCESS-DATA Operation Parameters . 3-22
3-10 NOTIFY Operation Parameters . 3-24
3-11 GET Operation Parameters . 3-29
3-12 EXECUTE-DIRECTIVE Operation Parameters . 3-32
4-1 Association Control Procedure Required Operations . 4-7
4-2 Association Control Procedure Configuration Parameters . 4-7
4-3 Association Control Procedure State Table . 4-8
4-4 Procedure State Table Incoming Event Description References . 4-9
4-5 Procedure State Table Predicate Descriptions . 4-9
4-6 Procedure State Table Simple Action References . 4-9
4-7 Procedure State Table Compound Action Definitions . 4-9
4-8 Unbuffered Data Delivery Procedure Required Operations . 4-12
CCSDS 921.1-B-1 Page viii April 2017
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ISO 23103:2020(E)
CCSDS RECOMMENDED STANDARD FOR CSTS SPECIFICATION FRAMEWORK
CONTENTS (continued)
Table Page
4-9 Unbuffered Data Delivery Procedure State Table . 4-13
4-10 Procedure State Table Incoming Event Description References . 4-13
4-11 Procedure State Table Predicate Descriptions . 4-13
4-12 Procedure State Table Boolean Flags . 4-14
4-13 Procedure State Table Simple Action References . 4-14
4-14 Buffered Data Delivery Procedure Required Operations . 4-25
4-15 START Extension Parameters . 4-25
4-16 Buffered Data Delivery Procedure Configuration Parameters . 4-31
4-17 Buffered Data Delivery Procedure State Table . 4-32
4-18 Procedure State Table Incoming Event Description References . 4-34
4-19 Procedure State Table Predicate Descriptions . 4-34
4-20 Procedure State Table Boolean Flags . 4-34
4-21 Procedure State Table Simple Action References . 4-35
4-22 Procedure State Table Compound Action Definitions . 4-35
4-23 Data Processing Procedure Required Operations . 4-45
4-24 PROCESS-DATA Extension Parameter . 4-45
4-25 NOTIFY Extension Parameters . 4-46
4-26 Data Processing Procedure Configuration Parameters . 4-50
4-27 Data Processing Procedure State Table . 4-51
4-28 Procedure State Table Incoming Event Description References . 4-52
4-29 Procedure State Table Predicate Descriptions . 4-52
4-30 Procedure State Table Boolean Flags . 4-53
4-31 Procedure State Table Simple Action References . 4-53
4-32 Procedure State Table Compound Action Definitions . 4-53
4-33 Buffered Data Processing Procedure Required Operations . 4-60
4-34 Buffered Data Processing Procedure Configuration Parameters . 4-61
4-35 Buffered Data Processing Procedure State Table . 4-62
4-36 Procedure State Table Incoming Event Description References . 4-64
4-37 Procedure State Table Predicate Descriptions . 4-64
4-38 Procedure State Table Boolean Flags . 4-65
4-39 Procedure State Table Simple Action References . 4-65
4-40 Procedure State Table Compound Action Definitions . 4-65
4-41 Sequence-Controlled Data Processing Procedure Required Operations . 4-72
4-42 START Extension Parameters . 4-72
4-43 PROCESS-DATA Invocation Extension Parameters . 4-73
4-44 PROCESS-DATA Return Extension Parameters . 4-73
4-45 Sequence-Controlled Data Processing Procedure Configuration Parameters . 4-79
4-46 Sequence-Controlled Data Processing Procedure State Table . 4-80
4-47 Procedure State Table Incoming Event Description References . 4-81
4-48 Procedure State Table Predicate Descriptions . 4-82
4-49 Procedure State Table Simple Action References . 4-82
CCSDS 921.1-B-1 Page ix April 2017
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ISO 23103:2020(E)
CCSDS RECOMMENDED STANDARD FOR CSTS SPECIFICATION FRAMEWORK
CONTENTS (continued)
Table Page
4-50 Procedure State Table Compound Action Definitions . 4-82
4-51 Information Query Procedure Required Operations . 4-85
4-52 Information Query Procedure Configuration Parameters . 4-85
4-53 Information Query Procedure State Table . 4-86
4-54 Procedure State Table Incoming Event Description References . 4-86
4-55 Procedure State Table Predicate Descriptions . 4-86
4-56 Procedure State Table Simple Action References . 4-86
4-57 Cyclic Report Procedure Required Operations . 4-92
4-58 START Extension Parameters . 4-93
4-59 Cyclic Report Procedure Configuration Parameters . 4-96
4-60 Cyclic Report Procedure State Table . 4-96
4-61 Procedure State Table Incoming Event Description References . 4-97
4-62 Procedure State Table Predicate Descriptions . 4-97
4-63 Procedure State Table Simple Action References . 4-97
4-64 Procedure State Table Compound Action Definitions . 4-97
4-65 Notification Procedure Required Operations . 4-103
4-66 START Extension Parameters . 4-103
4-67 Notification Procedure Configuration Parameters . 4-107
4-68 Notification Procedure State Table . 4-107
4-69 Procedure State Table Event Description References . 4-108
4-70 Procedure State Table Predicate Descriptions . 4-108
4-71 Procedure State Table Simple Action References . 4-108
4-72 Procedure State Table Compound Action Definitions . 4-108
4-73 Throw Event Procedure Required Operations . 4-111
4-74 Throw Event Procedure Configuration Parameters . 4-113
4-75 Throw Event Procedure State Table . 4-113
4-76 Procedure State Table Incoming Event Description References . 4-114
4-77 Procedure State Table Predicate Definitions . 4-114
4-78 Procedure State Table Simple Action References . 4-114
A-1 Production Status Semantic .B-2
A-2 Production Status Transitions .B-3
F-1 State Table for CSTSes with a Stateless Prime Procedure Instance . G-2
F-2 State Table for CSTSes with a Stateless Prime Procedure Instance:
Event Description References . G-2
F-3 State Table for CSTSes with a Stateless Prime Procedure Instance:
Predicate Descriptions . G-2
F-4 State Table for CSTSes with a Stateless Prime Procedure Instance:
Compound Action Definitions . G-3
F-5 State Table for CSTSes with a Stateful Prime Procedure Instance . G-4
CCSDS 921.1-B-1 Page x April 2017
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ISO 23103:2020(E)
CCSDS RECOMMENDED STANDARD FOR CSTS SPECIFICATION FRAMEWORK
CONTENTS (continued)
Table Page
F-6 State Table for CSTSes with a Stateful Prime Procedure Instance:
Event Description References . G-5
F-7 State Table for CSTSes with a Stateful Prime Procedure Instance:
Predicate Descriptions . G-5
F-8 State Table for CSTSes with a Stateful Prime Procedure Instance:
Compound Action Definitions . G-5
G-1 Identification of PICS . A-3
G-2 Identification of Implementation Under Test . A-4
G-3 Identification of Supplier . A-4
G-4 Identification of Specification . A-4
G-5 Required Procedures . A-5
G-6 Required PDUs . A-6
G-7 BIND Invocation Parameters . A-7
G-8 BIND Return Parameters . A-8
G-9 PEER-ABORT Invocation Parameters . A-9
G-10 UNBIND Invocation Parameters . A-9
G-11 UNBIND Return Parameters . A-10
G-12 EXECUTE-DIRECTIVE Invocation Parameters . A-11
G-13 EXECUTE-DIRECTIVE Acknowledgement Parameters . A-13
G-14 EXECUTE-DIRECTIVE Return Parameters . A-14
G-15 GET Invocation Parameters . A-16
G-16 GET Return Parameters . A-17
G-17 PROCESS-DATA Invocation Parameters . A-19
G-18 PROCESS-DATA Return Parameters . A-21
G-19 START Invocation Parameters . A-23
G-20 START Return Parameters . A-25
G-21 STOP Invocation Parameters . A-27
G-22 STOP Return Parameters . A-28
G-23 NOTIFY Invocation Parameters . A-29
G-24 TRANSFER-DATA Invocation Parameters . A-31
M-1 Specification of the Subcarrier Level Estimate Parameter . M-4
M-2 Specification of the Subcarrier Lock Status Parameter . M-5

CCSDS 921.1-B-1 Page xi April 2017
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ISO 23103:2020(E)
CCSDS RECOMMENDED STANDARD FOR CSTS SPECIFICATION FRAMEWORK
1 INTRODUCTION
1.1 PURPOSE
The purpose of this Recommended Standard is to define the various logical components, also
known within this Recommended Standard as procedures that are required for specifying
Cross Support Transfer Services (CSTSes).
1.2 SCOPE
1.2.1 This Recommended Standard defines, in an abstract manner, a CSTS in terms of:
a) the procedures necessary to provide the service;
b) the states of the service;
c) the behavior of each procedure;
d) the states of the procedures;
e) the operations necessary to constitute the procedures; and
f) the parameters associated with each operation.
1.2.2 It does not specify:
a) individual application services, implementations, or products;
b) the implementation of entities or interfaces within real systems;
c) the methods or technologies required to acquire data;
d) the methods or technologies required to provide a suitable environment for
communications; or
e) the management activities required to schedul
...