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  <mainDescription>&lt;p>&#xD;
    Not all requirements have equal significance in the architecture.&amp;nbsp;Some play an important role in determining the&#xD;
    architecture of the system, but others do not.&#xD;
&lt;/p>&#xD;
&lt;p>&#xD;
    Deciding whether a specific requirement is architecturally significant is often a matter of judgment. Typically, these&#xD;
    are requirements that are technically challenging, technically constraining, or central to the system's purpose.&#xD;
&lt;/p>&#xD;
&lt;p>&#xD;
    These are good examples of Architecturally Significant Requirements:&#xD;
&lt;/p>&#xD;
&lt;ul>&#xD;
    &lt;li>&#xD;
        The system must record every modification to customer records for audit purposes.&#xD;
    &lt;/li>&#xD;
    &lt;li>&#xD;
        The system must respond within 5 seconds.&#xD;
    &lt;/li>&#xD;
    &lt;li>&#xD;
        The system must&amp;nbsp;deploy on Microsoft Windows XP and Linux.&#xD;
    &lt;/li>&#xD;
    &lt;li>&#xD;
        The system must encrypt all network traffic.&#xD;
    &lt;/li>&#xD;
    &lt;li>&#xD;
        The ATM system must dispense cash on&amp;nbsp;demand&amp;nbsp;to validated account holders with sufficient cleared funds.&#xD;
    &lt;/li>&#xD;
&lt;/ul>&lt;br /></mainDescription>
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