Alcance
ISO 20213:2015 is one of a family of documents specifying the Spacecraft Onboard Interface Services (SOIS)-compliant services to be provided in support of onboard applications.ISO 20213:2015 is to define services and service interfaces provided by the SOIS Message Transfer Service. Its scope is to specify the service only and not to specify methods of providing the service, although use of the SOIS subnetwork services is assumed.ISO 20213:2015 conforms to the principles set out in the SOIS Green Book (reference [C2]) and should not be applied without first consulting this reference.