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<?xml version="1.0" encoding="utf-8"?>
<chapter label="5" id="nonfunctional">
<title>Non-functional Requirements</title>
<para/>
<section id="performance">
<title>Performance Requirements</title>
<para>For the purposes of this section, the base hardware platforms shall be defined as follows.</para>
<variablelist>
<title>Base hardware platform, PowerPC</title>
<varlistentry>
<term>CPU</term>
<listitem><para>PowerPC "G3" 750 at 600 MHz</para></listitem>
</varlistentry>
<varlistentry>
<term>RAM</term>
<listitem><para>640 MB PC133</para></listitem>
</varlistentry>
<varlistentry>
<term>Disk drive</term>
<listitem><para>40 GB PATA</para></listitem>
</varlistentry>
<varlistentry>
<term>Optical drive</term>
<listitem><para>8X DVD-ROM drive</para></listitem>
</varlistentry>
</variablelist>
<variablelist>
<title>Base hardware platform, Intel</title>
<varlistentry>
<term>CPU</term>
<listitem><para>Pentium III at 550 MHz</para></listitem>
</varlistentry>
<varlistentry>
<term>RAM</term>
<listitem><para>256 MB PC133</para></listitem>
</varlistentry>
<varlistentry>
<term>Disk drive</term>
<listitem><para>80 GB PATA</para></listitem>
</varlistentry>
<varlistentry>
<term>Optical drive</term>
<listitem><para>24X CD-ROM drive</para></listitem>
</varlistentry>
</variablelist>
</section>
<section id="safety">
<title>Safety Requirements</title>
<para/>
</section>
<section id="security">
<title>Security Requirements</title>
<para/>
</section>
<section id="sqa">
<title>Software Quality Attributes</title>
<formalpara id="SQA.Flexibility.ScriptFormat">
<title>SQA.Flexibility.ScriptFormat</title>
<para>A programmer with two years of C++ experience shall be able to change the on-disk format of HorizonScript with no more than two hours of labour.</para>
</formalpara>
<formalpara id="SQA.Flexibility.Firmware">
<title>SQA.Flexibility.Firmware</title>
<para>The firmware support described under the UI.Firmware.* requirements branch shall be disableable at compile-time.</para>
</formalpara>
<formalpara id="SQA.Flexibility.FirmwareConf">
<title>SQA.Flexibility.FirmwareConf</title>
<para>The firmware support described under the UI.Firmware.* requirements branch shall be disableable at run-time via a configuration setting.</para>
</formalpara>
<formalpara id="SQA.Robustness.ScriptSync">
<title>SQA.Robustness.ScriptSync</title>
<para>The system shall provide a method to save the executed HorizonScript and log messages in the event of a fatal error.</para>
</formalpara>
<formalpara id="SQA.Usability.TTI.Experienced">
<title>SQA.Usability.TTI.Experienced</title>
<para>A User with experience installing other Linux distributions shall be able to complete the Horizon UI flow through <xref linkend="ui_perform" /> in less than 15 minutes.</para>
</formalpara>
<formalpara id="SQA.Usability.TTI.Green">
<title>SQA.Usability.TTI.Green</title>
<para>A User with no prior experience with Linux shall be able to complete the Horizon UI flow through <xref linkend="ui_perform" /> in less than one hour.</para>
</formalpara>
<formalpara id="SQA.Portability.Bitness">
<title>SQA.Portability.Bitness</title>
<para>A HorizonScript shall be readable on 32-bit and 64-bit computers regardless of what type of computer was used to create it.</para>
</formalpara>
<formalpara id="SQA.Portability.Endianness">
<title>SQA.Portability.Endianness</title>
<para>A HorizonScript shall be readable on big endian and little endian computers regardless of what type of computer was used to create it.</para>
</formalpara>
<formalpara id="SQA.Verifiability.BlockMock">
<title>SQA.Verifiability.BlockMock</title>
<para>The system shall support the ability to use "mock" block devices for purposes of testing and verification.</para>
</formalpara>
<formalpara id="SQA.Maintainability.Comments">
<title>SQA.Maintainability.Comments</title>
<para>All functions and methods in the system shall have a comment describing what action the function or method performs, and its inputs, outputs, and any side effects (if applicable).</para>
</formalpara>
<formalpara id="SQA.Maintainability.Methods">
<title>SQA.Maintainability.Methods</title>
<para>Each class in the system shall have no more than 20 methods.</para>
</formalpara>
<formalpara id="SQA.Maintainability.NoOPFuncs">
<title>SQA.Maintainability.NoOPFuncs</title>
<para>Each function or method in the system shall take no more than six input parameters.</para>
</formalpara>
</section>
</chapter>
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