Blue Books: Recommended Standards

CCSDS Recommended Standards (Blue Books) define specific interfaces, technical capabilities or protocols, or provide prescriptive and/or normative definitions of interfaces, protocols, or other controlling standards such as encoding approaches. Standards must be complete, unambiguous and at a sufficient level of technical detail that they can be directly implemented and used for space mission interoperability and cross support. Standards must say very clearly, "this is how you must build something if you want it to be compliant".
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Currently 65 Books Listed
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File size 403 KB
Lossless Data Compression. Blue Book. Issue 2. April 2012.
This Recommended Standard defines a source-coding data-compression algorithm and specifies how data compressed using the algorithm are inserted into source packets for retrieval and decoding. Issue 2: - increases the allowed values of block length J from {8, 16} to {8, 16, 32, 64}; - increases the maximum allowed value of the reference sample interval r from 256 to 4096; - allows the use of a restricted set of code options - defines a new subfield of the Source Configuration Field of the optional Compression Identification packet; - adds guidance for selection of code option when two or more code options gave the same performance for a block; - updates nomenclature subsection; - clarifies some text; - adds a dedication to Warner Miller.
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File size 866 KB
Image Data Compression. Blue Book. Issue 2. September 2017.
This Recommended Standard defines an image-data compression algorithm applicable to digital data from payload instruments and specifies means to control compression rate and how these compressed data shall be inserted into source packets for retrieval and decoding. The current issue adds modifications to support the Recommended Standard for Spectral Pre-Processing Transform for Multispectral and Hyperspectral Image Compression.
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Spectral Preprocessing Transform for Multispectral and Hyperspectral Image Compression. Blue Book. Issue 1. September 2017.
This Recommended Standard is an extension to CCSDS 122.0-B-2, Image Data Compression (Blue Book, Issue 2), defining a data compression algorithm that can be applied to digital three-dimensional image data from payload instruments, such as multispectral and hyperspectral imagers, and specifying the compressed data format.
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File size 450 KB
Lossless Multispectral & Hyperspectral Image Compression. Blue Book. Issue 1. May 2012.
This Recommended Standard specifies a method for lossless compression of multispectral and hyperspectral image data and a format for storing the compressed data.
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File size 654 KB
TM Synchronization and Channel Coding. Blue Book. Issue 3. September 2017.
The Recommended Standard for TM Synchronization and Channel Coding contains specifications to be used by space missions on synchronous communications links. The current issue adds LCPC coding for a stream of Channel Access Data Units (CADUs).
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File size 616 KB
Flexible Advanced Coding and Modulation Scheme for High Rate Telemetry Applications. Blue Book. Issue 1. March 2012.
This Recommended Standard defines a Serially Concatenated Convolutional turbo Coding (SCCC) scheme for telemetry applications.
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File size 231 KB
CCSDS Space Link Protocols over ETSI DVB-S2 Standard. Blue Book. Issue 1. March 2013.
This CCSDS Recommended Standard defines a recommended interface between CCSDS Space Link Protocols and the DVB-S2 telecom standard, and recommends options of the DVB-S2 standard suited to high data rate telemetry applications, such as Earth Exploration Satellite Services (EESS) payload telemetry.
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File size 399 KB
TM Space Data Link Protocol. Blue Book. Issue 2. September 2015.
The CCSDS Recommended Standard for TM Space Data Link Protocol specifies the protocol, services, and procedures pertaining to the CCSDS Version-1 Synchronous Transfer Frame. The current issue adds specifications to support the Space Data Link Security Protocol.
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Space Packet Protocol. Blue Book. Issue 1. September 2003.
This Recommendation specifies the protocols, services, and procedures pertaining to the CCSDS Packet. These specifications correspond with CCSDS Source Packet specifications contained in Packet Telemetry, Packet Telemetry Service Specification, Telecommand Part 3—Data Management Service, and Advanced Orbiting Systems, Networks and Data Links: Architectural Specification. (Note: This is a restructured Recommendation*.) The current version of this document contains all updates through technical corrigendum 2, dated September 2012.
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Technical Corrigendum 1 to CCSDS 133.0-B-1, Issued September 2003. Blue Book. Issue 1 Cor. 1. September 2010.
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Technical Corrigendum 2 to CCSDS 133.0-B-1, Issued September 2003. Blue Book. Issue 1 Cor. 2. September 2012.
This Technical Corrigendum documents changes to CCSDS 133.0-B-1, Space Packet Protocol (Blue Book, Issue 1, September 2003).
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Encapsulation Service. Blue Book. Issue 2. October 2009.
The CCSDS Recommended Standard for Encapsulation Service specifies a communications service to be used by space missions to transfer protocol data units that are not directly transferred by the Space Data Link Protocols over a ground-to-space or space-to-space communications link. The current update adds corrections and clarifications to the specification. The current version of this document contains all updates through technical corrigendum 2, dated April 2014. This document has been reconfirmed by the CCSDS Management Council through October 2021.
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Technical Corrigendum 1 to CCSDS 133.1-B-2, Issued October 2009. Blue Book. Issue 2 Cor. 1. September 2012.
This Technical Corrigendum documents changes to CCSDS 133.1-B-2, Encapsulation Service (Blue Book, Issue 2, October 2009).
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Technical Corrigendum 2 to CCSDS 133.1-B-2, Issued October 2009. Blue Book. Issue 2 Cor. 2. April 2014.
This Technical Corrigendum documents changes to CCSDS 133.1-B-2, Encapsulation Service (Blue Book, Issue 2, October 2009).
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File size 848 KB
Proximity-1 Space Link Protocol--Data Link Layer. Blue Book. Issue 5. December 2013.
The CCSDS Recommended Standard for Proximity-1 Space Link Protocol—Data Link Layer specifies the protocol, services, and procedures pertaining to the CCSDS Version-3 Transfer Frame. The current issue includes several improvements and clarifications—accomplishing better alignment and consistency with the other Proximity-1 Blue Books—and the addition of an option for Low Density Parity-Check (LDPC) codes.
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Proximity-1 Space Link Protocol--Physical Layer. Blue Book. Issue 4. December 2013.
The CCSDS Recommended Standard for Proximity-1 Space Link Protocol—Physical Layer specifies the Physical Layer procedures used with the Proximity-1 Data Link Layer. The current issue includes several improvements and clarifications, accomplishing better alignment and consistency with the other Proximity-1 Blue Books.
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File size 288 KB
Proximity-1 Space Link Protocol--Coding and Synchronization Sublayer. Blue Book. Issue 2. December 2013.
The CCSDS Recommended Standard for Proximity-1 Space Link Protocol—Coding and Synchronization Sublayer specifies the synchronization and channel coding schemes used with the Proximity-1 Data Link Protocol. The current issue includes several improvements and clarifications-accomplishing better alignment and consistency with the other Proximity-1 Blue Books—and the addition of an option for Low-Density Parity-Check (LDPC) codes.
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File size 384 KB
TC Synchronization and Channel Coding. Blue Book. Issue 3. September 2017.
The Recommended Standard for TC Synchronization and Channel Coding contains specifications for synchronization and channel coding to be used by space missions on asynchronous communications links. The current issue adds LCPC coding; globally changes 'codeblock' to 'codeword' for consistency with modern usage; deletes obsolete annex detailing changes from documents retired in 2005.
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TC Space Data Link Protocol. Blue Book. Issue 3. September 2015.
The Recommended Standard for TC Space Data Link Protocol specifies the protocol, services, and procedures pertaining to the CCSDS Version-1 Asynchronous Transfer Frame. The current issue adds specifications to support the Space Data Link Security Protocol.
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Communications Operation Procedure-1. Blue Book. Issue 2. September 2010.
This Recommended Standard specifies the Communications Operation Procedure-1 used by the TC Space Data Link Protocol. The current issue adds text concerning a new systematic retransmission option. This document has been reconfirmed by the CCSDS Management Council through April 2021.
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Time Code Formats. Blue Book. Issue 4. November 2010.
This Recommendation establishes a common framework and provides a common basis for the formats of time code data. The current issue defines a second P-Field octet for the CCSDS Unsegmented Time Code (CUC) and adds a Security Section. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Recommended Standard has been reconfirmed through June 2022.
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CCSDS Cryptographic Algorithms. Blue Book. Issue 1. November 2012.
This Recommended Standard provides the basis for standard CCSDS security algorithms. The document recommends a single symmetric block-cipher encryption algorithm and several authentication algorithms.
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Space Data Link Security Protocol. Blue Book. Issue 1. September 2015.
This Recommended Standard specifies a security protocol for CCSDS data links. The protocol provides a security header and trailer along with associated procedures that may be used with the CCSDS Telemetry, Telecommand, and Advanced Orbiting Systems Space Data Link Protocols to provide a structured method for applying data authentication and/or data confidentiality at the Data Link layer.
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Radio Frequency and Modulation Systems--Part 1: Earth Stations and Spacecraft. Blue Book. Issue 27. November 2017.
Numerous concise recommendations appear in the notebook volume bearing the number 401.0-B. Each recommendation is dated, and the most recent revision is shown in the table of contents. These Recommendations are developed for conventional near-Earth and deep-space missions having moderate communications requirements. The current draft updates recommendations 2.4.18 and 2.5.6B.
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Pseudo-Noise (PN) Ranging Systems. Blue Book. Issue 2. February 2014.
The Pseudo-Noise (PN) Ranging Systems Recommended Standard defines both transparent and regenerative PN ranging systems.
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Data Transmission and PN Ranging for 2 GHz CDMA Link via Data Relay Satellite. Blue Book. Issue 1. September 2011.
This Recommended Standard specifies a set of Code Division Multiple Access (CDMA) spread spectrum modulation schemes for CCSDS Users. These schemes are intended to be used over space-to-space communications links by space missions. This document has been reconfirmed by the CCSDS Management Council through October 2021.
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Orbit Data Messages. Blue Book. Issue 2. November 2009.
The Orbit Data Message (ODM) Recommended Standard specifies message formats for use in transferring spacecraft orbit information between space agencies and commercial or governmental spacecraft operators. Issue 2 defines a new message, the Orbit Mean-Elements Message (OMM), and adds capabilities to the messages specified in the original issue. The current version of this document contains all updates through technical corrigendum 1, dated May 2012.
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Technical Corrigendum 1 to CCSDS 502.0-B-2, Issued November 2009. Blue Book. Issue 2 Cor. 1. May 2012.
This Technical Corrigendum documents changes to CCSDS 502.0-B-2, Orbit Data Messages (Blue Book, Issue 2, November 2009).
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Tracking Data Message. Blue Book. Issue 1. November 2007.
The Tracking Data Message (TDM) Recommended Standard specifies a standard message format for use in exchanging spacecraft tracking data between space agencies. The current version of this document contains all updates through technical corrigendum 1, dated September 2010.
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Technical Corrigendum 1 to CCSDS 503.0-B-1, Issued November 2007. Blue Book. Issue 1 Cor. 1. September 2010.
This Technical Corrigendum documents changes to CCSDS 503.0-B-1, Tracking Data Message (Blue Book, Issue 1, November 2007).
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Attitude Data Messages. Blue Book. Issue 1. May 2008.
The Attitude Data Messages Recommended Standard specifies two standard message formats for use in transferring spacecraft attitude information between space agencies. The current version of this document contains all updates through technical corrigendum 1, dated July 2015.
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Corrigendum 1 to CCSDS 504.0-B-1, Issued May 2008. Blue Book. Issue 1 Cor. 1. July 2015.
This Corrigendum documents changes to CCSDS 504.0-B-1, Attitude Data Messages (Blue Book, Issue 1, May 2008).
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XML Specification for Navigation Data Messages. Blue Book. Issue 1. December 2010.
The XML Specification for Navigation Data Messages Recommended Standard describes an integrated XML schema set that is suited to interagency exchanges of navigation data messages.
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Delta-DOR Raw Data Exchange Format. Blue Book. Issue 1. June 2013.
This Recommended Standard specifies the Delta-DOR raw data exchange format to be used for cross support among CCSDS Agencies.
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Conjunction Data Message. Blue Book. Issue 1. June 2013.
This Recommended Standard for Conjunction Data Message (CDM) specifies a standard message format for use in exchanging spacecraft conjunction information between data originators of conjunction assessments, satellite owner/operators, and other authorized parties. Such exchanges are used to inform satellite operator(s) of conjunctions between objects in space to enable consistent warning by different organizations employing diverse conjunction assessment techniques.
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Mission Operations Message Abstraction Layer. Blue Book. Issue 2. March 2013.
The Mission Operations Message Abstraction Layer (MAL) Recommended Standard defines the MAL in conformance with the service framework specified in the Mission Operations Services Concept Green Book (CCSDS 520.0-G-3). The current issue addresses the request to add a slight restriction to the MAL data model regarding polymorphism. In addition the WG took the opportunity to make a few additional changes: external data type specifications such as XML Schemas can now be used; XML is being moved to the SANA registry; type short forms are now integers rather than strings; optional fields in composites are now shown; lists are now a template rather than explicit types; unsigned integer and File data types have been added.
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Mission Operations Common Object Model. Blue Book. Issue 1. February 2014.
This Recommended Standard defines the Mission Operations (MO) Common Object Model (COM) in conformance with the service framework specified in annex B of Mission Operations Services Concept (CCSDS 520.0-G-3).
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Mission Operations Monitor & Control Services . Blue Book. Issue 1. October 2017.
This Recommended Standard defines the Mission Operations Monitor and Control services in conformance with the service framework specified in the Mission Operations Services Concept Green Book (CCSDS 520.0-G-3).
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Mission Operations--MAL Space Packet Transport Binding and Binary Encoding. Blue Book. Issue 1. August 2015.
This Recommended Standard defines the binding between the Mission Operations (MO) Message Abstraction Layer (MAL) specified in CCSDS 521.0-B-2 and the Space Packet Protocol specified in CCSDS 133.0-B-1. This binding allows MO Services to use the Space Packet Protocol as messaging technology.
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Mission Operations--Message Abstraction Layer . Blue Book. Issue 1. November 2017.
This CCSDS Recommended Standard specifies a binding of the Mission Operations Message Abstraction Layer (MAL) to TCP/IP using a split binary encoding for MAL data types.
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Standard Formatted Data Units — Structure and Construction Rules. Blue Book. Issue 2. May 1992.
This Recommended Standard defines Standard Formatted Data Unit (SFDU) structures that will handle some of the problems of digital data interchange and several construction rules that will limit the SFDUs to a practical set that can exist in an open data system environment.
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Standard Formatted Data Units — Referencing Environment. Blue Book. Issue 1. May 1997.
This Recommended Standard defines multiple standard "file pointer" mechanisms that can be embedded into other data structures for the purpose of identifying and annotating a collection of files. It provides several transportable directory/file naming functionalities that may be used for data exchange with disks, tapes, and networks. The form of these "file pointer" mechanisms is based on the Parameter Value Language (PVL) Recommended Standard (CCSDS 641.0-B-2). They may be used with the CCSDS data packaging standard known as Standard Formatted Data Units (CCSDS 620.0-B-2), or they may be used independently. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Recommended Standard has been reconfirmed through May 2018.
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Standard Formatted Data Units — Control Authority Procedures. Blue Book. Issue 1. June 1993.
This Recommended Standard defines the responsibilities that must be assumed and the services that must be provided by the participating CCSDS Agencies in order to facilitate the creation and operation of the Control Authority organization. The primary function of this organization is to register and disseminate data description information. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Recommended Standard has been reconfirmed through May 2018.
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Standard Formatted Data Units — Control Authority Data Structures. Blue Book. Issue 1. November 1994.
This Recommended Standard extends the standardization of the Standard Formatted Data Unit (SFDU) concept in support of the digital transfer of space-related information. It specifies standards for expressing selected data description attributes and for their packaging with the data description. The resulting packages, called Control Authority Data Structures (CADS), are used to submit data descriptions to Control Authorities for registration and to disseminate data descriptions from Control Authorities. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Recommended Standard has been reconfirmed through May 2018.
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Parameter Value Language Specification (CCSD0006 and CCSD0008). Blue Book. Issue 2. June 2000.
The Parameter Value Language (PVL) Recommended Standard defines a human-readable, machine-processable language for naming and expressing data values. This update to the first issue of the Recommended Standard extends the PVL character set definitions to include the G1 set of ISO 8859-1 to support use of accented characters used in many languages. It also includes some clarifications and corrections to the original issue, including preservation of statement order within an object, and it updates the document style for consistency with current CCSDS style guidelines. Changes from the previous issue are flagged with change bars in the outside margin and summarized in the Document Control section (page v). The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Recommended Standard has been reconfirmed through May 2018.
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File size 66 KB
ASCII Encoded English (CCSD0002). Blue Book. Issue 1. November 1992.
This Recommended Standard defines the usage of ASCII Encoded English and its representation as a data description language. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Informational Report has been reconfirmed through May 2018.
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The Data Description Language EAST Specification (CCSD0010). Blue Book. Issue 3. June 2010.
This Recommended Standard defines the EAST language used to create descriptions of data, called Data Description Records (DDRs). Such DDRs ensure a complete and exact understanding of the data and allow it to be interpreted in an automated fashion. A software tool is able to analyze a DDR, interpret the format of the associated data, and extract values from the data on any host machine (i.e., on a different machine from the one that produced the data). The current issue adds improvements/clarifications to the specification and adds a requirement to include the EAST version number in the logical part of a DDR. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Recommended Standard has been reconfirmed through June 2022.
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File size 391 KB
Data Entity Dictionary Specification Language (DEDSL)—Abstract Syntax (CCSD0011). Blue Book. Issue 1. June 2001.
The Data Entity Dictionary Specification Language (DEDSL) standardizes of the expression of semantic concepts that are to be carried with data. The Recommended Standard for DEDSL--Abstract Syntax provides the abstract definition of the semantic information that is required to be conveyed and presents the specification in a layered manner (attributes, entities, dictionaries). As such the actual technique used to convey the information is independent of the information content; therefore the same abstract standard can be used within different formatting environments, and the semantic information may be translated to different representations as may be needed when data are transferred across different domains. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Recommended Standard has been reconfirmed through May 2018.
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Data Entity Dictionary Specification Language (DEDSL)—PVL Syntax (CCSD0012). Blue Book. Issue 1. June 2001.
This Data Entity Dictionary Specification Language (DEDSL) Recommended Standard provides the Parameter Value Language (PVL) (CCSDS 641.0-B-2) implementation for the DEDSL--Abstract Syntax Recommended Standard (CCSDS 647.1-B-1) in order to provide a standardized computer processable expression of the semantic information which to be carried with data. The Recommended Standard for PVL Syntax provides a standard method to represent the attributes and their values, as defined by the Recommended Standard for Abstract Syntax, using the Parameter Value Language for the construction and interchange of data entity dictionaries. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Recommended Standard has been reconfirmed through May 2018.
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Data Entity Dictionary Specification Language (DEDSL)—XML/DTD Syntax (CCSD0013). Blue Book. Issue 1. January 2002.
This Recommended Standard provides a standard method to represent attributes and their values, as has been defined by the Abstract Syntax of the Data Entity Dictionary Specification Language (DEDSL) (CCSDS 647.1-B-1), using the Extensible Markup Language (XML) 1.0 Document Type Declaration (DTD) for the construction and interchange of data entity dictionaries. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Recommended Standard has been reconfirmed through May 2018.
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Producer-Archive Interface Specification (PAIS). Blue Book. Issue 1. February 2014.
This Recommended Standard provides the abstract syntax and an XML implementation of descriptions of data to be sent to an archive. These descriptions are negotiated agreements between the data Producer and the Archive and facilitate production of agreed data by the Producer and validation of received data by the Archive. The Recommended Standard includes an abstract syntax for describing how these data will be aggregated into packages for transmission and one concrete implementation for the packages based on the XML Formatted Data Unit (XFDU) standard.
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XML Telemetric and Command Exchange (XTCE). Blue Book. Issue 1. October 2007.
The XTCE data specification provides an information model and data exchange format for telemetry and commanding definitions (operational database) in all phases of the a spacecraft, payload, and ground segment life cycle: system design, development, test, validation, and mission operations.
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XML Formatted Data Unit (XFDU) Structure and Construction Rules. Blue Book. Issue 1. September 2008.
This Recommended Standard defines a technique for the packaging of data and metadata, including software, into a single package (e.g., file or message) to facilitate information transfer and archiving. It provides a detailed specification of core packaging structures and mechanisms that meet current CCSDS agency requirements and that augment the current CCSDS packaging and language Recommended Standards to accommodate the current computing environment and meet evolving requirements. This Recommended Standards leverages the wide community acceptance and usage of XML technologies by making the packaging manifest an XML document defined by the XML Schema specified in the document. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Recommended Standard has been reconfirmed through June 2022.
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IP over CCSDS Space Links. Blue Book. Issue 1. September 2012.
This Recommended Standard specifies a method for transferring IP Protocol Data Units (PDUs) via CCSDS Space Data Link Layer protocols.
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Technical Corrigendum 1 to CCSDS 702.1-B-1, issued September 2012. Blue Book. Issue 1 Cor. 1. April 2014.
This Technical Corrigendum documents changes to CCSDS 702.1-B-1, IP over CCSDS Space Links (Blue Book, Issue 1, September 2012)
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Space Communications Protocol Specification (SCPS)—Transport Protocol. Blue Book. Issue 2. October 2006.
The four Space Communications Protocol Specification (SCPS) Recommendations define a protocol suite that is parallel in function to, and interoperable with, the protocols of the Earth-based Internet (FTP/TCP/IP). The SCPS protocols have been optimized to overcome problems associated with using Internet protocols in space. This Recommendation defines the transport-layer protocols and services of the SCPS protocol suite. The current issue of Space Communications Protocol Specification (SCPS) Transport Protocol (SCPS-TP) specification: - adds optional support for Selective Acknowledgements (SACK) and Explicit Congestion Notification (ECN)- defines semantics to extend SCPS-TP signaling to allow optional inclusion of vendor- and community-specific options. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Recommended Standard has been reconfirmed through June 2022.
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File size 650 KB
CCSDS File Delivery Protocol (CFDP). Blue Book. Issue 4. January 2007.
This Recommended Standard defines a protocol suitable for the transmission of files to and from spacecraft data storage and capable of operating in a wide variety of mission configurations. In addition to the purely file delivery related functions, the protocol includes file management services to allow control over the storage medium. Although the protocol can operate over a wide range of subnetwork services, this Recommended Standard assumes the use of existing CCSDS packet services. The current issue incorporates corrections and clarifications recommended by the CFDP Interoperability Testing Working Group.
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File size 432 KB
AOS Space Data Link Protocol. Blue Book. Issue 3. September 2015.
The CCSDS Recommended Standard for AOS Space Data Link Protocol specifies the protocol, services, and procedures pertaining to the CCSDS Version-2 Transfer Frame. The current issue adds specifications to support the Space Data Link Security Protocol.
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File size 439 KB
Licklider Transmission Protocol (LTP) for CCSDS. Blue Book. Issue 1. May 2015.
This Recommended Standard specifies the Licklider Transmission Protocol (LTP) and associated service for CCSDS. LTP provides optional reliability mechanisms on top of an underlying (usually data link) communication service.
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CCSDS Bundle Protocol Specification. Blue Book. Issue 1. September 2015.
This Recommended Standard defines a CCSDS Bundle Protocol based on the Bundle Protocol of RFC 5050, with necessary extensions to support the Delay/Disruption Tolerant Networking (DTN) of space applications. The current issue incorporates changes reflecting responses to comments resulting from review of the second draft issue.
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Asynchronous Message Service. Blue Book. Issue 1. September 2011.
The Recommended Standard defines a CCSDS Asynchronous Message Service (AMS) for mission data system communications. The service and its protocol implement an architectural concept under which the modules of mission systems may be designed as if they were to operate in isolation, each one producing and consuming mission information without explicit awareness of which other modules are currently operating.
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Digital Motion Imagery. Blue Book. Issue 2. August 2016.
This Recommended Standard provides a common reference and framework of standards for digital motion imagery and provides recommendations for utilization of international standards for capturing and transferring motion imagery between spacecraft elements and ground systems. The current draft adds support for MPEG4 recording and JPEG2000 transmission.
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Voice and Audio Communications . Blue Book. Issue 1. November 2017.
This Recommended Standard specifies the technologies, services, and service interfaces for real-time or near real-time voice and audio communications among terrestrial facilities and space systems in support of the mission operations of space flight.
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Spacecraft Onboard Interface Services--RFID . Blue Book. Issue 1. October 2017.
This Recommended Standard specifies tag-encoding options that augment, yet remain compatible with, a legacy ISS Inventory Management System tag encoding schema established for early flight experiments.
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Cross Support Reference Model—Part 1: Space Link Extension Services. Blue Book. Issue 2. October 2005.
This Recommendation establishes a common framework and provides a common basis for the specification of data services that extend the space-to-ground communication services previously defined by CCSDS. It allows implementing with the development of compatible derived standards for the ground systems that are within their cognizance. The current issue updates terminology to be consistent with current CCSDS usage and adds new subsections on cross support security and the time span of SLE agreements and packages.
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Space Link Extension--Return All Frames Service Specification. Blue Book. Issue 4. August 2016.
The Recommended Standards for Space Link Extension (SLE) services specify data services conformant to the transfer services specified in Cross Support Reference Model—Part 1: SLE Services (CCSDS 910.4-B-2). The current updates add clarifications and corrections, add or update production status annexes for consistency across all five SLE service specifications, and update specifications to accommodate recent additions to the CCSDS Recommended Standards for coding and synchronization.
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Space Link Extension--Return Channel Frames Service Specification. Blue Book. Issue 3. August 2016.
The Recommended Standards for Space Link Extension (SLE) services specify data services conformant to the transfer services specified in Cross Support Reference Model—Part 1: SLE Services (CCSDS 910.4-B-2). The current drafts add clarifications and corrections, add or update production status annexes for consistency across all five SLE service specifications, and update specifications to accommodate recent additions to the CCSDS Recommended Standards for coding and synchronization.
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Space Link Extension--Return Operational Control Fields Service Specification. Blue Book. Issue 3. August 2016.
The Recommended Standards for Space Link Extension (SLE) services specify data services conformant to the transfer services specified in Cross Support Reference Model—Part 1: SLE Services (CCSDS 910.4-B-2). The current drafts add clarifications and corrections, add or update production status annexes for consistency across all five SLE service specifications, and update specifications to accommodate recent additions to the CCSDS Recommended Standards for coding and synchronization.
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Space Link Extension--Forward CLTU Service Specification. Blue Book. Issue 4. August 2016.
The Recommended Standards for Space Link Extension (SLE) services specify data services conformant to the transfer services specified in Cross Support Reference Model—Part 1: SLE Services (CCSDS 910.4-B-2). The current drafts add clarifications and corrections, add or update production status annexes for consistency across all five SLE service specifications, and update specifications to accommodate recent additions to the CCSDS Recommended Standards for coding and synchronization.
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Space Link Extension--Forward Space Packet Service Specification. Blue Book. Issue 3. August 2016.
The Recommended Standards for Space Link Extension (SLE) services specify data services conformant to the transfer services specified in Cross Support Reference Model—Part 1: SLE Services (CCSDS 910.4-B-2). The current drafts add clarifications and corrections, add or update production status annexes for consistency across all five SLE service specifications, and update specifications to accommodate recent additions to the CCSDS Recommended Standards for coding and synchronization.
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Space Link Extension--Internet Protocol for Transfer Services. Blue Book. Issue 2. September 2015.
The Recommended Standard for Space Link Extension-Internet Protocol for Transfer Services defines a protocol for transfer of SLE Protocol Data Units using TCP/IP. The current issue changes the hash function algorithm for secure one-way hash function from SHA-1 to SHA-256.
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Cross Support Transfer Service--Specification Framework. Blue Book. Issue 1. April 2017.
This Recommended Standard defines the various logical components required for specifying Cross Support Transfer Services.
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Cross Support Transfer Services--Monitored Data Service. Blue Book. Issue 1. April 2017.
This Recommended Standard defines the Monitored Data Cross Support Transfer Service (CSTS), which allows a spaceflight mission to receive cyclic reports on, and to query the current values of, the parameters that are pertinent to cross support services being provided by a Cross Support Complex. The Monitored Data service also allows a spaceflight mission to receive notifications of the occurrence of events of interest associated with the services that are being provided by a Cross Support Complex.

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