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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.
Icon CCSDS 910.0-G-2     
File size: 146,438 Bytes
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.
Icon CCSDS 910.2-G-1     
File size: 172,051 Bytes
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.
Icon CCSDS 910.3-G-3     
File size: 1,000,849 Bytes
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.
Icon CCSDS 910.4-B-2.     
File size: 398,181 Bytes
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 organizations within each agency to proceed coherently 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.
ISO Number : 15396
Icon CCSDS 911.1-B-2     
File size: 950,251 Bytes
Space Link Extension – Return All Frames Service Specification. Blue Book. Issue 2. November 2004.
This Recommended Standard defines the Space Link Extension (SLE) Return All Frames (RAF) service in conformance with the SLE Reference Model.  The RAF service is an SLE transfer service that delivers to a mission user all telemetry frames from one space link physical channel.
ISO Number : 22669
Icon CCSDS 911.2-B-1     
File size: 976,897 Bytes
Space Link Extension – Return Channel Frames Service Specification. Blue Book. Issue 1. November 2004.
This Recommended Standard provides a basis for the development of real systems that implement the RCF service.  Implementation of the RCF service in a real system additionally requires the availability of a communications service to convey invocations and returns of RCF service operations between RCF service users and providers.
ISO Number : 22670
Icon CCSDS 911.5-B-1     
File size: 1,022,011 Bytes
Space Link Extension – Return Operational Control Fields Service Specification. Blue Book. Issue 1. November 2004.
This Recommended Standard defines the Space Link Extension (SLE) Return Operational Control Fields (ROCF) service in conformance with the SLE Reference Model.  The ROCF service is an SLE transfer service that delivers to a mission user all operational control fields from one master channel or one virtual channel.
Icon CCSDS 912.1-B-2     
File size: 673,941 Bytes
Space Link Extension – Forward CLTU Service Specification. Blue Book. Issue 2. November 2004.
This Recommended Standard defines the Communications Link Transmission Unit (CLTU) service in conformance with the transfer services specified in CCSDS 910.4-B-1, Cross Support Reference Model—Part 1: SLE Services. The Forward CLTU service is a Space Link Extension (SLE) transfer service that enables a mission to send CLTUs to a spacecraft.The current version of this document contains all updates through Technical Corrigendum 1, dated May 2007.
ISO Number : 22671
Icon CCSDS 912.1-B-2 Cor.1     
File size: 17,505 Bytes
Technical Corrigendum 1 to CCSDS 912.1-B-2, Issued November 2004. Blue Book. Issue 1. May 2007.
This Technical Corrigendum documents changes to CCSDS 912.1-B-2, Space Link Extension—Forward CLTU Service Specification (Blue Book, Issue 2, December 2004).
Icon CCSDS 912.3-B-1     
File size: 1,294,302 Bytes
Space Link Extension – Forward Space Packet Service Specification. Blue Book. Issue 1. November 2004.
This Recommended Standard defines the Forward Space Packet (FSP) service in conformance with the transfer services specified in CCSDS 910.4-B-1, Cross Support Reference Model―Part 1: SLE Services. The FSP service is a Space Link Extension (SLE) transfer service that enables a mission to send Space Packets to a spacecraft in sequence-controlled or expedited mode.
ISO Number : 22672
Icon CCSDS 914.1-G-1     
File size: 432,719 Bytes
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.
Icon CCSDS 914.2-G-1     
File size: 539,418 Bytes
Space Link Extension--Application Program Interface for Transfer Services--Application Programmer's Guide. Green Book. Issue 1. January 2006.
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.
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