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<h1 id="lifecycle-management-lcm">Lifecycle Management - LCM</h1>
<p><strong>Intended Audience: OpenSlice Service Designers</strong></p>
<p>Lifecycle Management: The orchestration framework handles the activation, termination and any necessary modifications throughout the service lifecycle.</p>
<p>In OpenSlice the Lifecycle of a service follows in general the concept of Network Slice lifecycle as defined by 3GPP.</p>
<p><a class="glightbox" href="../lcm/img01.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="lcm" src="../lcm/img01.png" /></a></p>
<h2 id="introduction-in-openslice-lcm">Introduction in OpenSlice LCM</h2>
<p>OpenSlice adopted the LCM model by 3GPP and mapped to the TMF model service state. Next we discuss briefly the process and the relationships.</p>
<p>The lifecycle of a service, particularly in the context of Network Service lifecycle encompasses several stages that ensure the service is effectively planned, deployed, managed, and eventually decommissioned. </p>
<p>Here is an overview of these stages and relationships with OpenSlice:</p>
<h3 id="0-preparation-phase">0. Preparation Phase</h3>
<p>This phase is performed by Service Designers</p>
<h4 id="service-design">Service Design:</h4>
<ul>
<li><strong>Requirements Gathering:</strong> Collect service requirements from stakeholders, including performance metrics, quality of service (QoS), security needs, and geographical coverage.</li>
<li><strong>Service Specification:</strong> Define the service in terms of functionalities, attributes, and dependencies. This can be formalized using standardized templates such as the GSMA Generic Slice Template (GST).</li>
<li><strong>Resource Planning:</strong> Identify and plan the required resources, including network functions, computing power, storage, and connectivity, inclluding network function configurations.</li>