| 词条 | CCSDS MO Services | ||||||||||||||||||||
| 释义 |
The Spacecraft Monitoring & Control (SM&C) Working Group of the Consultative Committee for Space Data Systems (CCSDS), which sees the active participation of 10 space agencies and of the Space Domain Task Force of the Object Management Group (OMG), is defining a service oriented architecture consisting of a set of standard end-to-end services between functions resident on board a spacecraft or based on the ground, that are responsible for mission operations. The CCSDS Mission Operations (MO) Services provides a set of standard operations services for the day-to-day operation of space assets and are outlined in the CCSDS Mission Operations Services Concept.[1] Service DefinitionEach service is defined in terms of an information model that defines a set of object types that are shared by providers and consumers of the service. Examples of such object types are status parameters, control actions and notification alerts, orbit vectors, schedules, planning requests and software images. In addition to definition of the static information model, the service defines the interactions (through extension of the patterns defined in the Message Abstraction Layer) required between service provider and consumer to allow:
The specification of an MO service defines the structure of the objects, however, each deployment (or instantiation) of a service will also require service configuration data that defines the actual instances of those object types that exist for that service instance. For example, the M&C service may define what parameters, actions and alerts are, but it is the associated service configuration data that specifies the set of parameters, actions and alerts that exist for a particular spacecraft. Identified Mission Operations ServicesThe following table lists the application-level Mission Operations services that have currently been identified by the working group.[1] It is to be stressed, however, that the service framework is designed to be extensible and additional services may be identified in the future to address additional requirements for end-to-end interaction in mission operations.
NOTE – Services are listed together with a summary of the associated Service Objects and Operations. See also
References1. ^1 Mission Operations Services Concept, CCSDS 520.0-G-3. Green Book. Issue 3. December 2010 {{CCSDS}}29335606771 {{DEFAULTSORT:Mission Operations Services}} 2 : Space standards|CCSDS |
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