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<h1 id="terminology">Terminology</h1>
<h2 id="user-roles">User Roles</h2>
<ul>
<li><strong>OpenSlice Administrator</strong>: Installs, configures and maintains an OpenSlice instance</li>
<li><strong>OpenSlice Service Designer</strong>: Uses available resources to design service specifications that are offered to OpenSlice users</li>
<li><strong>OpenSlice User</strong>: Browses and orders offered services</li>
</ul>
<h2 id="useful-terms">Useful Terms</h2>
<ul>
<li><strong>Service Specification</strong>: A blueprint with detailed descriptions of services, including attributes, configurations, performance metrics, and SLAs (e.g. 5G Connectivity).</li>
<li><strong>Service</strong>: A running instance of a Service Specification.</li>
<li><strong>Resource Specification</strong>: A blueprint with detailed descriptions of resources, including attributes, configurations, and instantiation patterns (e.g. a Kubernetes CRD).</li>
<li><strong>Resource</strong>: A running instance of a Resource Specification.</li>
<li><strong>Resource Facing Service Specification (RFSS)</strong>: A Service Specification that exposes a Resource Specification as a Service (e.g. UPF Deployment in K8s).</li>
<li><strong>Customer Facing Service Specification (CFSS)</strong>: A Service Specification exposed to Users, available for Service Orders. Usually an exposed CFSS (e.g. 5G Connectivity) is a Service Bundle and comprises of other RFSSs (e.g. UPF Deployment, Core Deployment) and CFSSs (e.g. Connect Radio Nodes).</li>
<li><strong>Resource Facing Service (RFS)</strong>: An running instance of an RFSS, created via a Service Order of a related Service Bundle.</li>
<li><strong>Customer Facing Service (CFS)</strong>: An running instance of an CFSS, created via a Service Order.</li>
<li><strong>Service Category</strong>: A collection of CFSSs.</li>
<li><strong>Service Catalog</strong>: A collection of exposed Service Categories.</li>
<li><strong>Service Inventory</strong>: An inventory of all the service instances.</li>
<li><strong>Resource Inventory</strong>: An inventory of all the resource instances.</li>
</ul>












                
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