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[转贴]有关DRP代理服务器

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发表于 2005-8-30 11:21:05 | 显示全部楼层 |阅读模式
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt" align=left><FONT size=3><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">&nbsp;&nbsp;&nbsp; DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">导向回应协议(</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">Director Response Protocol</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">)是由</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">CISCO SYSTEM</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">开发的一种基于</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">UDP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">的简洁的应用协议。它使得</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">CISCO</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">的分布导向设备(</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DistributeDirector</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">)可以通过查询域中路由器(<SPAN style="COLOR: blue">译者注:指运行</SPAN></SPAN><SPAN lang=EN-US style="COLOR: blue; mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="COLOR: blue; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">服务代理的路由器</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">)的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">或</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">IGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">路由表来得到分布式服务器与客户机之间的度量值。分布导向器是一种独立的设备,它使用</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">协议透明地将用户的服务请求重定向至在拓扑中离此客户端最近的服务器。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">使得分布导向器可以在不同地方的服务器之间提供动态的,可扩展的以及“智能网络”化的数据流分布.</SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">&nbsp;&nbsp;&nbsp; DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">代理服务器是可以支持不同地域的分布式服务器的边界路由器(或等同于边界路由器的设备),而分布导向设备需要得到这些分布式服务器的信息。注意:因为分布导向设备是根据</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">或</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">IGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">信息做重定向决定的,因此所有的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">代理服务器必须能够到达</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">或</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">IGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">拓扑中的任何位置。</SPAN></FONT><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P><P>[此帖子已被 QQ-baby 在 2005-8-30 11:21:19 编辑过]</P><p>[此帖子已被 QQ-baby 在 2005-8-30 11:21:32 编辑过]
 楼主| 发表于 2005-8-30 11:23:05 | 显示全部楼层
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt -35.9pt; mso-para-margin-left: -3.42gd"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">配置</SPAN></B></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">一台能够成为</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">代理服务器的路由器必须符合以下要求:</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">·</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">代理服务器必须靠近它所支持的分布式服务器。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">·如果分布式服务器在不同的子域或不同的自治系统里,支持它的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">代理服务器必须有完整的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">路由表。比如,</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">代理服务器开可以是边界路由器或等同于边界路由器的设备,而</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">的外部度量值来自</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">信息。另外,如果你希望使用</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">的内部度量值,则代理服务器必须有完整的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">IGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">路由表。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">·如果分布式服务器在相同的子域或相同的自治系统里,支持它的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">代理服务器必须有完整的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">IGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">路由表(此时不需要</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">信息)。相同的,</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">的内部度量值来自</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">IGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">信息。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">·若你处于以上第三条中的情况,所有相关的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">代理服务器必须使用相同类型的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">IGP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">协议,如</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">RIP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">,</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">RIP2</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">,</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">EIGRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">或</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">OSPF</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p><FONT size=3>&nbsp;</FONT></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">记住,一台</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">DRP</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: &#39;Times New Roman&#39;; mso-hansi-font-family: &#39;Times New Roman&#39;">代理服务器可以支持多台分布导向设备和多台分布式服务器。</SPAN></FONT><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P><P>&nbsp;</P><p>[此帖子已被 QQ-baby 在 2005-8-30 11:24:52 编辑过]
 楼主| 发表于 2005-8-30 11:28:30 | 显示全部楼层
<P>这是DDR的具体配置实例(附件)</P><IMG src="http://www.spoto.net/bbs/images/affix.gif"><A href="http://www.spoto.net/bbs/images/upfile/2005-8/2005830112813.rar" target=_blank>相关附件</A>
发表于 2005-8-30 21:31:22 | 显示全部楼层
<P>辛苦了!</P><P>第三楼是DRP具体配置实例吧?</P><P>希望大家都把有用的信息发到这里来,尽可能直接帖在论坛上。</P>
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