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<h1 id="openslice-service-specification">OpenSlice Service Specification</h1>
<p><strong>Intended Audience: OpenSlice Service Designers</strong></p>
<p>OpenSlice offers complete management of Service Specifications.</p>
<p>Service Specification is an entity that describes a service offering. There are two types of Service Specifications:</p>
<ul>
<li>Resource Facing Service Specification (RFSS)</li>
<li>Customer Facing Service Specification (CFSS)</li>
</ul>
<h2 id="resource-facing-service-specification">Resource Facing Service Specification</h2>
<p>Is a Service that It exposes a resource Specification as a Service. (For example expose a Network Service Descriptor as a Service)</p>
<h2 id="customer-facing-service-specification">Customer Facing Service Specification</h2>
<p>Customer Facing Service Specifications - or also CFSSpec (organized in Service Categories) are exposed to users for Service Orders. Usually it exposes other CFSSpec(as a Service Bundle) or other RFSSpecs</p>
<h2 id="definition">Definition</h2>
<p>Usually a Service Specification has the following aspects:</p>
<ul>
<li>Name, Description, Version</li>
<li>Marked as a Service Bundle: Combines multiple services into a single offering to provide added value to customers.</li>
<li>if is is a Bundle then you must add Related Service Specifications</li>
<li>If it is a Resource Facing Service Specification has multiple related Resource Facing Service Specifications</li>
<li>Characteristics: a list of service characteristics and their type (TEXT, INTEGER, etc)</li>
<li>Also they can be exposed as "Configurable" so to allow to end-users during the Service Order to select or type values</li>
<li>A logo, displayed if needed in the Service Marketplace</li>
<li>Any attachments that further help the user</li>
<li>Life Cycle Rules that determine the behavior of the Service and instrument the Service Orchestrator. More on Life Cycle Rules <a href="../lcm_rules_intro/">here</a></li>
</ul>
<p>Service Designers can create a Service Specification from scratch or use some templates:</p>
<ul>
<li>Create a Service based from a Network Service Descriptor (NSD)</li>
<li>Create a Service based on a Kubernetes Operator</li>
<li>Create a Service based on the GSMA GST - Generic Slice Template</li>
</ul>
<h2 id="ui-management">UI management</h2>
<p>In the UI this looks like the following.</p>
<p>Through the menu and dedicated forms the administrator can manage the Service Specifications. Various examples in this document will guide you to the usage and the design of the services.</p>
<h2 id="api-exposed">API exposed</h2>
<p>When installing OpenSlice the API endpoints can be browsed at: 
<div class="language-text highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>[YOURDOMAIN]/tmf-api/swagger-ui/index.html?urls.primaryName=tmf-api-633-ServiceCatalogManagement-v4.0.0
</span></code></pre></div></p>
<p>endpoint examples:</p>
<p>/serviceCatalogManagement/v4/serviceSpecification List or find ServiceSpecification objects</p>
<h2 id="example-use-case">Example Use Case</h2>
<p>Scenario: A service provider wants to offer a new managed XXXX service to enterprise customers.</p>
<ul>
<li>Service Definition:  Create a service specification template for the XXXX service, including specifications for bandwidth, network features, and performance metrics.</li>
</ul>
<h2 id="probe-further">Probe further</h2>
<ul>
<li>Read the model of Service Catalogs in TMF <a href="https://www.tmforum.org/resources/specification/tmf633-service-catalog-api-user-guide-v4-0-0/">TMF633 Service Catalog API User Guide v4.0.0</a></li>
<li>Check a demo of the API <a href="http://portal.openslice.eu/tmf-api/swagger-ui/index.html?urls.primaryName=tmf-api-633-ServiceCatalogManagement-v4.0.0">here</a></li>
<li>Check a demo of the Service Specifications in Catalog and Categories <a href="http://portal.openslice.eu">here</a> (You need to login - see main guide page)</li>
<li>Check the GSMA GST</li>
</ul>












                
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