GB/T 46525-2025Space data and information transfer systems - Spacecraft information system service and protocol architecture (English PDF)
空间数据与信息传输系统 航天器信息系统业务和协议体系结构
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 31, 2025
Implementation date
May 1, 2026
Scope
GB/T 46525-2025 is the English-translated version of 空间数据与信息传输系统 航天器信息系统业务和协议体系结构.
GB/T 46525-2025 is the Chinese standard "Space data and information transfer systems - Spacecraft information system service and protocol architecture".
Its scope clause reads: This document establishes an architecture for the services and protocols of a spacecraft information system, as well as the corresponding application layer, transport layer, and...
The composition of the network layer and subnet layers, and the relationship between services and protocols. This document applies to the design and application of spacecraft information system services and protocols. Its clauses include terms and definitions; abbreviations.
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Document preview — GB/T 46525-2025
National Standard of the People's Republic of China
- ICS
- 49.140
- Classification
- V 75
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1.Scope
- 2 Normative References
- 3.Terms and Definitions
- 4.Abbreviations
- 5.Business and Protocol Architecture Components
- 5.1 Architecture Construction Principles
- 5.2 Layered Structure of Business and Protocol Systems
- 5.3 Naming and Addressing Mechanisms
- 5.4 Typical Application Scenarios of the Protocol
- 6.Application Layer Architecture 7.
- 6.1 Composition of the Application Layer and its Relationship with Lower Layers
- 6.2 Selection of Application Layer Services and Protocols
- 7 Transport Layer Architecture
- 7.1 Composition of the Transport Layer and its Relationship with Upper and Lower Layers
- 7.2 Selection of Transport Layer Protocols
- 8.Network Layer Architecture
- 8.1 Network Layer Composition and Relationship with Upper and Lower Layers
- 8.2 Selection of Network Layer Protocols
- 9.Sub-network layer architecture
- 9.1 Sub-network composition and its relationship with the upper layer
- 9.2 Selection of Sub-Network Layer-Space Communication Protocol
- 9.3 Selection of Subnet Layer Intra-device Communication Protocol
- Appendix A (Informative) Typical Application Examples
- Appendix B (Informative) Example 37 of the process and method for implementing standard primitives
- References
1 Scope
This document establishes an architecture for the services and protocols of a spacecraft information system, as well as the corresponding application layer, transport layer, and...
The composition of the network layer and subnet layers, and the relationship between services and protocols.
This document applies to the design and application of spacecraft information system services and protocols.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 42041 Aerospace Terminology. Space Data and Information Transmission
3 Terms and Definitions
The terms and definitions defined in GB/T 42041 and the following terms and definitions apply to this document.
3.1
Systems used on spacecraft for information acquisition, transmission, storage, processing, and utilization.
4 Abbreviations
The following abbreviations apply to this document.
AN. Analogue
BP. Bundle Protocol
GB/T 43223 | GB/T 32453 | GB/T 43670 | GB/T 43669 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 43 pages — is available in the English PDF.
Referenced standards
Normative references
Editions of GB/T 46525
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 46525-2025 | Space data and information transfer systems - Spacecraft information system service and protocol architecture | current edition | Current |
This page sells the current edition, GB/T 46525-2025. Earlier editions are listed for reference only.
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