SNCP与PP、MSP保护的比较

feishen

<div align="center"><table class="MsoNormalTable" cellspacing="0" cellpadding="0" border="0" style="MARGIN: auto auto auto 90.45pt; BORDER-COLLAPSE: collapse; mso-table-layout-alt: fixed; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt;"><tbody><tr style="mso-yfti-irow: 0; mso-yfti-firstrow: yes;"><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><span lang="EN-US"><font size="2">P<p></p></font></span></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><span lang="EN-US"><font size="2">SNCP<p></p></font></span></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><span lang="EN-US"><font size="2">MSP<p></p></font></span></p></td></tr><tr style="mso-yfti-irow: 1;"><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span lang="EN-US">SNCP</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">保护的一种特例，仅适用于端到端通道的保护</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">研究子网间业务的保护，不仅适用于端到端通道保护，还可以保护通道的一部分</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">研究线路（或复用段）失效后，对经过该段线路业务进行保护的技术，因此也叫线路保护。</span><span lang="EN-US"><p></p></span></font></p></td></tr><tr style="mso-yfti-irow: 2;"><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">能保护部分通道</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">能保护部分通道</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">基于复用段级别的通道</span><span lang="EN-US"><p></p></span></font></p></td></tr><tr style="mso-yfti-irow: 3;"><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">专用保护机制</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">专用保护机制</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">共享或专用保护机制</span><span lang="EN-US"><p></p></span></font></p></td></tr><tr style="mso-yfti-irow: 4;"><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">仅用于环状拓扑，环上节点数没有限制</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">可用于各种网络拓扑，环上节点数没有限制</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">仅用于环状拓扑，环上节点数要求不大于</span><span lang="EN-US">16<p></p></span></font></p></td></tr><tr style="mso-yfti-irow: 5;"><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">发送端永久桥接，接收端倒换</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">发送端永久桥接，接收端倒换</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">桥接与倒换在动作时才发生，首端</span><span lang="EN-US">/</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">尾端常常既是桥接节点又是倒换节点</span><span lang="EN-US"><p></p></span></font></p></td></tr><tr style="mso-yfti-irow: 6;"><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">单端倒换</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">单端倒换</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">环倒换</span><span lang="EN-US"><p></p></span></font></p></td></tr><tr style="mso-yfti-irow: 7;"><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">仅通过</span><span lang="EN-US">P</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">无法构造双</span><span lang="EN-US">DNI </span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">的保护结构</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">通过</span><span lang="EN-US">SNCP</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">可以构造双</span><span lang="EN-US">DNI </span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">的保护结构</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">仅通过</span><span lang="EN-US">MSP</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">无法构造双</span><span lang="EN-US">DNI </span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">的保护结构</span><span lang="EN-US"><p></p></span></font></p></td></tr><tr style="mso-yfti-irow: 8;"><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">不需要</span><span lang="EN-US">APS</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">协议，可靠性高</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">不需要</span><span lang="EN-US">APS</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">协议，可靠性高</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">需要全环运行</span><span lang="EN-US">APS</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">协议，可靠性较差</span><span lang="EN-US"><p></p></span></font></p></td></tr><tr style="mso-yfti-irow: 9;"><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">芯片支撑，倒换非常快</span><span lang="EN-US">(&lt;=10ms)</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">；且与业务数量无关</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">业务量很少时，时间常常能得到保障。业务量较多时，倒换时间不容易保证</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">倒换时间在</span><span lang="EN-US">50ms</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">之内，且与业务数量无关</span><span lang="EN-US"><p></p></span></font></p></td></tr><tr style="mso-yfti-irow: 10; mso-yfti-lastrow: yes;"><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">一般监测通道开销</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><font size="2"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;">一般监测通道开销</span><span lang="EN-US"><p></p></span></font></p></td><td valign="top" width="194" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 145.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt;"><p class="a" style="MARGIN: 4.5pt 0cm; mso-pagination: widow-orphan;"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-bidi-font-family: 宋体;"><font size="2">监测复用段开销</font></span><span lang="EN-US"><p></p></span></p></td></tr></tbody></table></div>