Requirements,-Design-and-Approach.md

@@ -34,4 +34,6 @@ Discussions with various Module Owners and CSP is in progress and below requirem
  &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;o  Data Loading<br/>
  &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;o  Data Platform<br/>
  &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;o  Audit and metrics<br/>
- &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;o  System Configuration<br/>
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+ &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;o  System Configuration.
+<h4>c. Entitlement and obligation (E&O) Module</h4>
+&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Entitlements service is used to enable authorization in Data Ecosystem. The service allows for the creation and user mapping for groups. A group name defines a permission. Users who are added to that group obtain that permission. The main motivation for entitlements service is data authorization but the functionality enables three use cases:
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