XP/xp/customcategories/xp_roles_and_tasks.xmi

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  <mainDescription>&lt;a id=&quot;XE_activities__overview_of_xp_and_rup_activities&quot; name=&quot;XE_activities__overview_of_xp_and_rup_activities&quot;>&lt;/a> &#xD;
&lt;div align=&quot;left&quot;>&#xD;
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            &lt;tr>&#xD;
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                    &amp;nbsp;&#xD;
                &lt;/td>&#xD;
                &lt;td align=&quot;middle&quot; colspan=&quot;5&quot;>&#xD;
                    &lt;a class=&quot;elementLink&quot; href=&quot;./../../xp/guidances/concepts/whole_team.html&quot; guid=&quot;7.89591827591278E-306&quot;>Whole Team&lt;/a>&#xD;
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            &lt;tr>&#xD;
                &lt;td align=&quot;middle&quot; colspan=&quot;2&quot;>&#xD;
                    &lt;a class=&quot;elementLink&quot; href=&quot;./../../xp/guidances/supportingmaterials/xp_customer_team.html&quot; guid=&quot;2.9889538140050517E-306&quot;>XP Customer Team&lt;/a>&#xD;
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                    &lt;a class=&quot;elementLink&quot; href=&quot;./../../xp/guidances/supportingmaterials/xp_developer_team.html&quot; guid=&quot;8.608243854485154E-306&quot;>XP Developer Team&lt;/a>&#xD;
                &lt;/td>&#xD;
                &lt;td align=&quot;middle&quot; colspan=&quot;2&quot;>&#xD;
                    &lt;a class=&quot;elementLink&quot; href=&quot;./../../xp/guidances/supportingmaterials/xp_organization.html&quot; guid=&quot;5.613949040902463E-308&quot;>XP Organization&lt;/a>&#xD;
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            &lt;tr>&#xD;
                &lt;td align=&quot;middle&quot;>&#xD;
                    &lt;b>XP Roles&lt;/b>&#xD;
                &lt;/td>&#xD;
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                    &lt;a class=&quot;elementLinkWithUserText&quot; href=&quot;./../../xp/roles/xp_customer.html&quot; guid=&quot;{3C90DD4F-CFDB-4111-922D-3B840B8942DE}&quot;>Customer&lt;/a>&#xD;
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                &lt;td align=&quot;middle&quot;>&#xD;
                    &lt;a class=&quot;elementLinkWithUserText&quot; href=&quot;./../../xp/roles/xp_programmer.html&quot; guid=&quot;{08A6AF28-69B1-42DC-A957-2E6CDCB436C1}&quot;>Programmer&lt;/a>&#xD;
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                    &lt;a class=&quot;elementLinkWithUserText&quot; href=&quot;./../../xp/roles/xp_tracker.html&quot; guid=&quot;{D8FE277E-4F9A-47EB-855F-C451D601BBAF}&quot;>Tracker&lt;/a>&#xD;
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                    &lt;a class=&quot;elementLinkWithUserText&quot; href=&quot;./../../xp/roles/xp_coach.html&quot; guid=&quot;{9C440605-FF0E-4D37-A774-BBF8B5F47AB6}&quot;>Coach&lt;/a>&#xD;
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&lt;/div>&lt;br />&#xD;
&lt;h3>&#xD;
    XP Roles and Tasks&#xD;
&lt;/h3>&#xD;
&lt;p>&#xD;
    XP defines a more limited set of roles and tasks than Unified Process. The XP roles usually have much broader scope&#xD;
    than Unified Process roles. There is a definite push in XP to move away from specialization where only one person on a&#xD;
    team has knowledge of specific and critical parts of the system or technology. The consequence is that the XP roles&#xD;
    usually map to more than one Unified Process role. Some Unified Process roles/tasks/artifacts do not map to anything in&#xD;
    XP as XP has a somewhat smaller scope than Unified Process.&#xD;
&lt;/p>&#xD;
&lt;h4>&#xD;
    Definition of Roles and Tasks in Unified Process&#xD;
&lt;/h4>&#xD;
&lt;p>&#xD;
    &lt;b>Roles&lt;/b> are typically realized by an individual or a set of individuals working together as a team. A project team&#xD;
    member typically fulfills many different roles. &lt;b>Roles&lt;/b> are not individuals; instead, they describe how&#xD;
    individuals behave in the business and what responsibilities these individuals have. While most roles are realized by&#xD;
    people within the organization, people outside of the development organization play an important role. A &lt;b>role&lt;/b> is&#xD;
    an abstract definition of a set of &lt;b>tasks&lt;/b> performed and &lt;b>artifacts&lt;/b> generated.&#xD;
&lt;/p>&#xD;
&lt;p>&#xD;
    &lt;b>Roles&lt;/b> have a set of cohesive&amp;nbsp;&lt;b>tasks&lt;/b> to be performed. These&amp;nbsp;&lt;b>tasks&lt;/b> are closely related and&#xD;
    functionally coupled and are often best performed by the same individual.&amp;nbsp;Tasks are closely related to&#xD;
    &lt;b>artifacts&lt;/b>. Artifacts provide the input and output for the&amp;nbsp;tasks and the mechanism by which information is&#xD;
    communicated between tasks.&#xD;
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