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Space Link Extension - Service Management - CCSDS

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DRAFT RECOMMENDED STANDARD FOR SPACE LINK EXTENSION SERVICE MANAGEMENT<br />

7.3.3.2 CM Requirements for the QUERY_SERVICE_AGREEMENT Operation<br />

Table 7-2: CM Requirements for the QSA Operation<br />

QSAC-01 CM shall conform to all Performer Requirements for Two-Phase Operation Procedures as specified in 3.4.1.6.2.<br />

QSAC-02 CM shall conform to all QSA-SR Data Set Composition and Relationship Requirements when creating<br />

and transmitting a QSA-SR, as specified in table 7-44.<br />

QSAC-03 If the SLE Complex has locally defined QSA-I relationship requirements in addition to those specified<br />

in this standard, CM shall validate that the QSA-I conforms to all such local requirements.<br />

QSAC-04 If the QSA-I is valid, CM shall create a copy of the requested <strong>Service</strong> Agreement and return it in a<br />

QSA-SR message.<br />

[perform operation]<br />

7.3.4 Query<strong>Service</strong>AgreementInvocation (QSA-I) MESSAGE (UM CM)<br />

7.3.4.1 General<br />

Figure 7-1 shows the message structure of the QSA-I message as a class diagram.<br />

Figure 7-1: QSA-I Message Structure, Presented in a Class Diagram<br />

7.3.4.2 Parameters<br />

The Query<strong>Service</strong>AgreementInvocation (QSA-I) message conforms to the data<br />

set composition and relationship requirements for, and inherits the parameters of, the<br />

stereotype, as specified in 3.3.4.3.2.<br />

The QSA-I message does not contain any specific parameters as it relies on the value of the<br />

parameter serviceAgreementRef of the SleSmMessageSet data set, as defined in<br />

3.3.4.2.<br />

7.3.4.3 Data Set Composition and Relationship Requirements<br />

There are no specific data set composition and relationship requirements for QSA-I. The<br />

identification of the requested <strong>Service</strong> Agreement is conveyed by the containing SLE-SM<br />

message set.<br />

<strong>CCSDS</strong> 910.11-R-2 Page 7-3 March 2008

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