Cross Support Services Area

The Cross Support Services (CSS) Area addresses how space network resources are made available by one organization to another for the purpose of "Cross Support". The objective of the CSS Area is therefore to define what services are required at various cross-support interface points, and how those services are exposed, scheduled and used by organizations that want to confederate their infrastructure in order to execute a mission.


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Currently 25 Books Listed
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CCSDS 901.0-G-1
File size 4553 KB
Space Communications Cross Support--Architecture Description Document. Green Book. Issue 1. November 2013.
This Informational Report describes an architecture in terms of CCSDS-recommended configurations for secure space communications cross support. This architecture is intended to be used as a common framework when CCSDS Agencies 1) provide and use space communications cross support services, and 2) develop systems that provide interoperable space communications cross support services.
Space Communications Cross Support--Architecture Requirements Document. Magenta Book. Issue 1. May 2015.
This Recommended Practice defines a set of requirements for CCSDS-recommended configurations for secure Space Communications Cross Support (SCCS) architectures.
Extensible Space Communication Cross Support--Service Management--Concept. Green Book. Issue 1. September 2014.
This Informational Report documents a concept for Space Communication Cross Support Service Management that spans the space mission lifecycle and enables the graceful evolution of Space Communication Cross Support Service Management in step with the evolution of space communication technology.
Cross Support Service Management--Simple Schedule . Blue Book. Issue 1. May 2018.
This Recommended Standard specifies a standard format for use in transferring scheduling information related to ground stations and/or relay satellites between space agencies and commercial or governmental spacecraft operators.
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CCSDS 910.0-G-2
File size 143 KB
Space Link Extension Services—Executive Summary. Green Book. Issue 2. March 2006.
This Administrative Report provides an overview of Space Link Extension (SLE) Services. It is designed to assist readers with their review of existing and future SLE documentation.
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CCSDS 910.2-G-1
File size 168 KB
Standard Terminology, Conventions, and Methodology (TCM) for Defining Data Services. Green Book. Issue 1. November 1994.
This Report is a summary of, and cross-reference to, internationally adopted standards for defining data services, and is the result of a study of different data service definition conventions conducted in support of the definition of CCSDS Space Link Extension services. The material contained in the Report is not limited to Space Link Extension services and may be applicable to other data service definition activities of CCSDS and its member Agencies. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Informational Report has been reconfirmed through June 2022.
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CCSDS 910.3-G-3
File size 977 KB
Cross Support Concept — Part 1: Space Link Extension. Green Book. Issue 3. March 2006.
This Report presents the cross support concept for CCSDS Space Link Extension (SLE) services. It identifies the functional components of the ground-resident portion of a space data system and defines the interface points where agency interoperations may occur. This Report summarizes the technical considerations for all cross support of CCSDS-compliant space data systems. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Informational Report has been reconfirmed through June 2022.
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.
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.
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.
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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CCSDS 912.11-O-1
File size 712 KB
Space Link Extension--Enhanced Forward CLTU Service. Orange Book. Issue 1. July 2012.
This Experimental Specification explores AOS data link protocol enhancements to the CCSDS Space Link Extension (SLE) Forward Communications Link Transmission Unit (CLTU) Service. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Experimental Specification has been reconfirmed through April 2023.
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.
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.
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.
Space Link Extension--Application Program Interface for Transfer Services--Core Specification. Magenta Book. Issue 2. September 2015.
This Recommended Practice defines a C++ Application Program Interface (API) for CCSDS Space Link Extension (SLE) Transfer Services. The API is intended for use by application programs implementing SLE services. The current issue updates text to be consistent with the current versions of the SLE service specifications. The current version of this document contains all updates through technical corrigendum 1, dated August 2016.
Corrigendum 1 to 914.0-M-2, issued September 2015. Magenta Book. Issue 2 Cor. 1. August 2016.
This corrigendum documents changes to CCSDS 914.0-M-2, Space Link Extension—Application Program Interface for Transfer Services—Core Specification (Magenta Book, Issue 2, September 2015).
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CCSDS 914.1-G-1
File size 422 KB
Space Link Extension—Application Program Interface for Transfer Services—Summary of Concept and Rationale. Green Book. Issue 1. January 2006.
This Report presents a summary of supplementary information supporting the CCSDS documents that specify the Application Program Interface (API) for SLE transfer services. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Informational Report has been reconfirmed through June 2022.
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CCSDS 914.2-G-2
File size 622 KB
Space Link Extension—Application Program Interface for Transfer Services—Application Programmer's Guide. Green Book. Issue 2. October 2008.
This Application Programmer's Guide provides tutorial material for software developers wishing to integrate the API into SLE user applications or SLE provider applications. In particular, it explains how to create and configure API components and discusses a number of scenarios demonstrating how an application can use the API. The CCSDS conducts periodic reconfirmation reviews of its publications to assure their continued relevance. This Informational Report has been reconfirmed through June 2022.
Space Link Extension—Application Program Interface for Return All Frames Service. Magenta Book. Issue 2. September 2015.
This Recommended Practice specifies a C++ Application Program Interface (API) for the CCSDS Space Link Extension Return All Frames Service (RAF) Service. The API is intended for use by application programs implementing the SLE RAF Service. The current issue updates text to be consistent with the current version of the SLE RAF service specification and differentiates applicability by SLE RAF service specification version.
Space Link Extension—Application Program Interface for Return Channel Frames Service. Magenta Book. Issue 2. September 2015.
This Recommended Practice specifies a C++ Application Program Interface (API) for the CCSDS Space Link Extension Return Channel Frames (RCF) Service. The API is intended for use by application programs implementing the SLE RCF Service. The current issue updates text to be consistent with the current version of the SLE RCF service specification and differentiates applicability by SLE RCF service specification version.
Space Link Extension—Application Program Interface for Return Operational Control Fields Service. Magenta Book. Issue 2. September 2015.
This Recommended Practice specifies a C++ Application Program Interface (API) for the CCSDS Space Link Extension Return Operational Control Fields (ROCF) Service. The API is intended for use by application programs implementing the SLE ROCF Service. The current issue updates text to be consistent with the current version of the SLE ROCF service specification and differentiates applicability by SLE ROCF service specification version.
Space Link Extension—Application Program Interface for the Forward CLTU Service. Magenta Book. Issue 2. September 2015.
This Recommended Practice specifies a C++ Application Program Interface (API) for the CCSDS Space Link Extension Forward CLTU (FCLTU) Service. The API is intended for use by application programs implementing the SLE FCLTU Service. The current issue updates text to be consistent with the current version of the SLE FCLTU service specification and differentiates applicability by SLE FCLTU service specification version.
Space Link Extension—Application Program Interface for the Forward Space Packet Service. Magenta Book. Issue 2. September 2015.
This Recommended Practice specifies a C++ Application Program Interface (API) for the CCSDS Space Link Extension Forward Space Packet (FSP) Service. The API is intended for use by application programs implementing the SLE FSP Service. The current issue updates text to be consistent with the current version of the SLE FSP service specification and differentiates applicability by SLE FSP service specification version.
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.
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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