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Space Link Extension - Service Management - CCSDS

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

4.11 CONFIRM_TENTATIVE_SERVICE_PACKAGE (CTSP) Operation<br />

4.11.1 PURPOSE<br />

The CONFIRM_TENTATIVE_SERVICE_PACKAGE (CTSP) operation allows CM to<br />

request that UM confirm a <strong>Space</strong> <strong>Link</strong> Session <strong>Service</strong> Package that has been scheduled or<br />

provisionally scheduled (depending on the CTSP schedulingMode of the <strong>Service</strong><br />

Agreement) using rule-based scheduling.<br />

4.11.2 PROCEDURE<br />

The procedure for the CTSP operation is a three-phase operation procedure, which follows<br />

the three-phase operation procedure pattern specified in 3.4.2.<br />

The CTSP operation involves the exchange of the following messages:<br />

– ConfirmTentative<strong>Service</strong>PackageInvocation (CTSP-I);<br />

– ConfirmTentative<strong>Service</strong>PackageAcknowledgedReturn (CTSP-AR);<br />

– ConfirmTentative<strong>Service</strong>PackageSuccessfulReturn (CTSP-SR);<br />

– ConfirmTentative<strong>Service</strong>PackageFailedReturn (CTSP-FR).<br />

The sequence and activity diagrams for the CONFIRM_TENTATIVE_SERVICE_PACKAGE<br />

operation are the three-phase operation procedure pattern sequence and activity diagrams<br />

specified in 3.4.2, with the following argument lists:<br />

Sequence Diagram<br />

threePhaseOperationProcedurePatternSequence {CM, UM, CTSP-I,<br />

CTSP-AR, CTSP-SR, CTSP-<br />

FR}<br />

Activity Diagram<br />

threePhaseOperationProcedurePatternActivity {CM, UM, CTSP-I,<br />

CTSP-AR, CTSP-SR, CTSP-<br />

FR, ctspRoutineTimeout,<br />

ctspUrgentTimeout}<br />

<strong>CCSDS</strong> 910.11-R-2 Page 4-101 March 2008

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