23.05.2015 Views

Space Link Extension - Service Management - CCSDS

Space Link Extension - Service Management - CCSDS

Space Link Extension - Service Management - CCSDS

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

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

state machine<br />

Trajectory Prediction<br />

QTP_I /<br />

QTP_SR<br />

ATP_I<br />

Available<br />

H*<br />

trajectory prediction successfully added?<br />

DTP_I [not owned] / DTP_FR<br />

reference<br />

added<br />

DTP_I / DTP_FR<br />

[yes] / ATP_SR<br />

Unreferenced<br />

Referenced<br />

[no] / ATP_FR<br />

DTP_I<br />

[owned] /<br />

DTP_SR<br />

last reference<br />

removed<br />

Figure 6-1: State Diagram for Trajectory Prediction<br />

Table 6-1: State Table for Trajectory Prediction Information Entity<br />

States<br />

Available<br />

Events Initial Acknowledged Unreferenced Referenced<br />

ATP-I<br />

[successfully added]<br />

SR -> Unreferenced<br />

[else] FR -> Final<br />

* * *<br />

ATP-I * *<br />

[owned] SR -><br />

Final<br />

FR<br />

* * [else] FR<br />

QTP-I * * SR<br />

reference added * * -> Referenced<br />

last ref removed * * * -> Unreferenced<br />

The State Machine trajectory prediction lifecycle conforms to the state machine shown, with<br />

reference criteria as described in DTPC-08.<br />

6.2 OWNERSHIP OF TRAJECTORY PREDICTIONS<br />

Each trajectory prediction is owned by the UM entity associated with the<br />

sleSmCreatorName used in the SleSmMessageSet that contained the invocation<br />

message that created the trajectory prediction.<br />

<strong>CCSDS</strong> 910.11-R-2 Page 6-2 March 2008

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!