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  <mainDescription>&lt;p>&#xD;
    Architectural goals provide the motivation and rationale&amp;nbsp;for decisions. These goals are&amp;nbsp;often driven&#xD;
    by&amp;nbsp;the software requirements, particularly system-wide requirements [&lt;a class=&quot;elementLinkWithUserText&quot; href=&quot;./../../../core.tech.common.base/guidances/supportingmaterials/references.tech_6CCF393.html&quot; guid=&quot;_9ToeIB83Edqsvps02rpOOg&quot;>ALL02&lt;/a>].&#xD;
&lt;/p>&#xD;
&lt;p>&#xD;
    Architectural goals define how the system needs to respond to change over time. Architectural goals tend to address the&#xD;
    following questions:&#xD;
&lt;/p>&#xD;
&lt;ul>&#xD;
    &lt;li>&#xD;
        What is the expected lifespan of the system?&#xD;
    &lt;/li>&#xD;
    &lt;li>&#xD;
        Will the system need to respond to technological changes over that time, such as new versions of middleware or&#xD;
        other products?&#xD;
    &lt;/li>&#xD;
    &lt;li>&#xD;
        How&amp;nbsp;frequently is&amp;nbsp;the system&amp;nbsp;expected to adapt to change?&#xD;
    &lt;/li>&#xD;
    &lt;li>&#xD;
        What changes can we anticipate in the future, and how can we make them easier to accommodate?&#xD;
    &lt;/li>&#xD;
&lt;/ul>&#xD;
&lt;p>&#xD;
    These considerations will have a significant effect on the structure of the system.&#xD;
&lt;/p></mainDescription>
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