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32 <strong>Military</strong> <strong>Communications</strong> <strong>and</strong> <strong>Information</strong> <strong>Technology</strong>...<br />

Figure 10. Example NSV-4 System Functionality<br />

Systems are distributed on hardware systems. Distribution of software on<br />

the nodes is documented using deployment diagrams. Fig. 11 shows the example<br />

components <strong>and</strong> their distribution on the nodes. Two computational resources<br />

(GaExecHost) <strong>and</strong> one network component (GaCommHost) are specified.<br />

Figure 11. Example NSV-1 System Interface Description<br />

The structure of a LQN model is generated from the high-level SOA architecture<br />

documented using presented NAF subviews. The example performance<br />

model presented on Fig. 12 is generated from the system models described above.<br />

The prepared model can be solved using a LQN solver [18]. Performance evaluation<br />

results can be used to propose architecture design improvements.

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