Simple Additive Weighted (SAW) method.
<p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;direction:ltr;unicode-bidi:embed;vertical-align:baseline"><span style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="4"><p style="margin-top: 0pt; margin-bottom: 0pt; text-align: left; direction: ltr; unicode-bidi: embed; vertical-align: baseline; "><font class="Apple-style-span" color="#f00000"><span style="font-family: 'Times New Roman'; ">Costn
= w</span><span style="font-family: 'Times New Roman'; vertical-align: sub; ">b</span><span style="font-family: 'Times New Roman'; ">*N(B</span><span style="font-family: 'Times New Roman'; vertical-align: sub; ">n</span><span style="font-family: 'Times New Roman'; ">),<span style="mso-spacerun:yes"> </span>w</span><span style="font-family: 'Times New Roman'; vertical-align: sub; ">p</span><span style="font-family: 'Times New Roman'; ">* N(P</span><span style="font-family: 'Times New Roman'; vertical-align: sub; ">n</span><span style="font-family: 'Times New Roman'; ">),<span style="mso-spacerun:yes"> </span>w</span><span style="font-family: 'Times New Roman'; vertical-align: sub; ">c</span><span style="font-family: 'Times New Roman'; ">*N(C</span><span style="font-family: 'Times New Roman'; vertical-align: sub; ">n</span></font><span style="font-family: 'Times New Roman'; color: black; ">))</span></p><p style="color: black; margin-top: 0pt; margin-bottom: 0pt; text-align: left; direction: ltr; unicode-bidi: embed; vertical-align: baseline; "><span style="font-family: 'Times New Roman'; color: black; "><br></span></p><p style="color: black; margin-top: 0pt; margin-bottom: 0pt; text-align: left; direction: ltr; unicode-bidi: embed; vertical-align: baseline; "><span style="font-family: 'Times New Roman'; color: black; "><br></span></p></font></span></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><font class="Apple-style-span" size="4"><span style="font-family: 'Times New Roman'; color: black; ">网络带宽的成本</span><span style="font-family: 'Times New Roman'; "><font class="Apple-style-span" color="#f00000">=(宽带BW，消耗的电能p, 网络价格C)</font></span></font></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><span style="font-family: 'Times New Roman'; "><font class="Apple-style-span" color="#f00000" size="4"><br></font></span></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><font class="Apple-style-span" color="#f00000" size="4">这三个基本参数的 一个函数方程</font></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><font class="Apple-style-span" size="4"><br></font></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><font class="Apple-style-span" size="4">最低 的一个网络带宽成本将是网络选择的最终的网络</font></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><font class="Apple-style-span" size="4"><br></font></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><font class="Apple-style-span" size="4"><br></font></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><font class="Apple-style-span" size="4"><span style="font-family: 'Times New Roman'; color: black; ">w</span><span style="font-family: 'Times New Roman'; color: black; vertical-align: sub; ">b</span><span style="font-family: 'Times New Roman'; color: black; ">, w</span><span style="font-family: 'Times New Roman'; color: black; vertical-align: sub; ">p </span><span style="font-family: 'Times New Roman'; color: black; ">and w</span><span style="font-family: 'Times New Roman'; color: black; vertical-align: sub; ">c</span><span style="font-family: 'Times New Roman'; color: black; "> are
weight values<span style="mso-spacerun:yes"> </span>and sum to 1</span></font></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><span style="font-family: 'Times New Roman'; color: black; "><font class="Apple-style-span" size="4"><br></font></span></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><span style="font-family: 'Times New Roman'; color: black; "><font class="Apple-style-span" size="4">其中 这三个加起来等于一</font></span></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><span style="font-family: 'Times New Roman'; color: black; "><font class="Apple-style-span" size="4"><br></font></span></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><span style="font-family: 'Times New Roman'; color: black; "><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><span style="font-size:20.0pt;font-family:"Times New Roman";mso-ascii-font-family:
"Times New Roman";mso-fareast-font-family:宋体;mso-bidi-font-family:+mn-cs;
mso-bidi-theme-font:minor-bidi;color:black;mso-color-index:1;mso-font-kerning:
12.0pt;language:en-US;mso-style-textfill-type:solid;mso-style-textfill-fill-themecolor:
text1;mso-style-textfill-fill-color:black;mso-style-textfill-fill-alpha:100.0%">The
setting of these values are determined by the user</span></p></span></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><span class="Apple-style-span" style="font-size: 27px; "><br></span></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><span class="Apple-style-span" style="font-size: 27px; "><br></span></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><span class="Apple-style-span" style="font-size: 27px; "><br></span></p><p style="language:zh-CN;margin-top:0pt;margin-bottom:0pt;text-align:left;
direction:ltr;unicode-bidi:embed;vertical-align:baseline"><span class="Apple-style-span" style="font-size: 27px; "><br></span></p>
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