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一组介绍各种网络知识的文章

        </tr>
        <tr>
            <td>RTS</td>
            <td>往返样本</td>
            <td>Round Trip Sample</td>
        </tr>
        <tr>
            <td>RTS</td>
            <td>剩余时间标签</td>
            <td>　</td>
        </tr>
    </table>
    <p align="center"><br>
    <a name="s">S</a> </p>
    <table border="1" width="90%">
        <tr>
            <td>SAP</td>
            <td>业务接入点</td>
            <td>Service Access Point</td>
        </tr>
        <tr>
            <td>SAP</td>
            <td>服务公告协议</td>
            <td>Service Advertising Protocol</td>
        </tr>
        <tr>
            <td>SAR</td>
            <td>分段和重组(子层)</td>
            <td>Segmentation and Reassembly</td>
        </tr>
        <tr>
            <td>SAS</td>
            <td>　</td>
            <td>Single Attached Station</td>
        </tr>
        <tr>
            <td>SC</td>
            <td>　</td>
            <td>Stick and Click connector</td>
        </tr>
        <tr>
            <td>SCR</td>
            <td>信号串扰比</td>
            <td>　</td>
        </tr>
        <tr>
            <td>SCR</td>
            <td>持续信元速率</td>
            <td>Sustained Cell Rate</td>
        </tr>
        <tr>
            <td>SCS</td>
            <td>交换控制软件</td>
            <td>　</td>
        </tr>
        <tr>
            <td>SDH</td>
            <td>同步数字系列</td>
            <td>Synchronous Digital Hierarchy</td>
        </tr>
        <tr>
            <td>SDLC</td>
            <td>同步数据链路控制(协议)</td>
            <td>Advanced Data Communication Control Procedure</td>
        </tr>
        <tr>
            <td>SDTV</td>
            <td>标准数字电视</td>
            <td>　</td>
        </tr>
        <tr>
            <td>SDU</td>
            <td>业务数据单元</td>
            <td>Service Data Unit</td>
        </tr>
        <tr>
            <td>SIPP</td>
            <td>增强的简单因特网协议</td>
            <td>Simple Internet Protocol Plus</td>
        </tr>
        <tr>
            <td>SLIP</td>
            <td>串行线路IP</td>
            <td>Serial Line Interface Protocol</td>
        </tr>
        <tr>
            <td>SMDS</td>
            <td>交换式多兆比特数据业务</td>
            <td>Switched Multimegabit Data Services</td>
        </tr>
        <tr>
            <td>SMF</td>
            <td>单模光纤</td>
            <td>Single-mode Fiber</td>
        </tr>
        <tr>
            <td>SMI</td>
            <td>　</td>
            <td>Structure of Management Information（MIB的结构）</td>
        </tr>
        <tr>
            <td>SMT</td>
            <td>站点管理</td>
            <td>Station Management</td>
        </tr>
        <tr>
            <td>SMTP</td>
            <td>简单邮件传输协议</td>
            <td>Simple Mail Transfer Protocol</td>
        </tr>
        <tr>
            <td>SNA</td>
            <td>系统网络体系结构</td>
            <td>System Network Architecture</td>
        </tr>
        <tr>
            <td>SNMP</td>
            <td>简单网络管理协议</td>
            <td>Simple Network Management Protocol</td>
        </tr>
        <tr>
            <td>SNR</td>
            <td>信噪比</td>
            <td>Signal-Noise ratio</td>
        </tr>
        <tr>
            <td>SOH</td>
            <td>段开销</td>
            <td>　</td>
        </tr>
        <tr>
            <td>SONET</td>
            <td>同步光纤网络</td>
            <td>Synchronous Optical Network</td>
        </tr>
        <tr>
            <td>SPE</td>
            <td>同步净荷包</td>
            <td>Synchronous Payload Envelope</td>
        </tr>
        <tr>
            <td>SPP</td>
            <td>定序分组协议<br>
            （XNS中，相当于TCP）</td>
            <td>Sequential Packet Protocol</td>
        </tr>
        <tr>
            <td>SRTS</td>
            <td>同步剩余时间标签法</td>
            <td>　</td>
        </tr>
        <tr>
            <td>SSCS</td>
            <td>业务特定部分会聚子层</td>
            <td>　</td>
        </tr>
        <tr>
            <td>SSI</td>
            <td>服务器端包含</td>
            <td>Server Side Include</td>
        </tr>
        <tr>
            <td>ST</td>
            <td>　</td>
            <td>Stick and Turn connector</td>
        </tr>
        <tr>
            <td>STM</td>
            <td>同步传输方式</td>
            <td>Synchronous Transfer Mode</td>
        </tr>
        <tr>
            <td>STP</td>
            <td>屏蔽双绞线</td>
            <td>Shielded Twisted Pair</td>
        </tr>
        <tr>
            <td>STS</td>
            <td>同步传输信号</td>
            <td>Synchronous Transport Signal</td>
        </tr>
        <tr>
            <td>SVC</td>
            <td>交换虚电路</td>
            <td>Switched Virtual Circuit</td>
        </tr>
        <tr>
            <td>Switch</td>
            <td>交换机</td>
            <td>　</td>
        </tr>
    </table>
    <p align="center"><br>
    <a name="t">T</a> </p>
    <table border="1" width="90%">
        <tr>
            <td>TAC</td>
            <td>　</td>
            <td>Technical Assistance Center</td>
        </tr>
        <tr>
            <td>TAST</td>
            <td>时间分配话音插空技术</td>
            <td>Time Assignment by Speech Interpolation</td>
        </tr>
        <tr>
            <td>TC</td>
            <td>传输汇集(子层)</td>
            <td>Transmission Convergence</td>
        </tr>
        <tr>
            <td>TCP</td>
            <td>传输控制协议</td>
            <td>Transmission Control Protocol</td>
        </tr>
        <tr>
            <td>TDM</td>
            <td>时分多路复用</td>
            <td>Time Division Multiplexing</td>
        </tr>
        <tr>
            <td>TFTP</td>
            <td>单纯文件传输协议</td>
            <td>Trivial File Transfer protocol</td>
        </tr>
        <tr>
            <td>TIP</td>
            <td>终端接口处理机</td>
            <td>Terminal Interface Processor</td>
        </tr>
        <tr>
            <td>TP</td>
            <td>双绞线</td>
            <td>Twisted Pair</td>
        </tr>
        <tr>
            <td>TSAP</td>
            <td>传输层服务访问点</td>
            <td>Transport Service Access Point</td>
        </tr>
        <tr>
            <td>TTL</td>
            <td>生存时间</td>
            <td>Time To Live</td>
        </tr>
        <tr>
            <td>TTR</td>
            <td>定时令牌旋转</td>
            <td>　</td>
        </tr>
    </table>
    <p align="center"><br>
    <a name="u">U</a> </p>
    <table border="1" width="90%">
        <tr>
            <td>UBR</td>
            <td>未定义比特率</td>
            <td>Undefined Bit Rate　</td>
        </tr>
        <tr>
            <td>UEM</td>
            <td>通用以太网模块</td>
            <td>Universal Ethernet Module</td>
        </tr>
        <tr>
            <td>UDP</td>
            <td>用户数据报协议</td>
            <td>User Datagram Protocol</td>
        </tr>
        <tr>
            <td>UI</td>
            <td>Unix国际</td>
            <td>　</td>
        </tr>
        <tr>
            <td>UNI</td>
            <td>用户-网络接口</td>
            <td>User-Network Interface</td>
        </tr>
        <tr>
            <td>UPC</td>
            <td>使用参数控制</td>
            <td>Usage Parameter Control</td>
        </tr>
        <tr>
            <td>URL</td>
            <td>统一资源定位</td>
            <td>Universal Resource Locator</td>
        </tr>
        <tr>
            <td>USB</td>
            <td>通用串行总线</td>
            <td>Universal Serial Bus</td>
        </tr>
        <tr>
            <td>UTP</td>
            <td>非屏蔽双绞线</td>
            <td>Unshielded Twisted Pair</td>
        </tr>
        <tr>
            <td>UUCP</td>
            <td>　</td>
            <td>Unix to Unix Copy Program</td>
        </tr>
    </table>
    <p align="center"><br>
    <a name="v">V</a> </p>
    <table border="1" width="90%">
        <tr>
            <td>VAN</td>
            <td>增值网</td>
            <td>Value Added Network</td>
        </tr>
        <tr>
            <td>VBR</td>
            <td>可变比特率</td>
            <td>Variable Bit Rate </td>
        </tr>
        <tr>
            <td>VCC</td>
            <td>虚信道连接</td>
            <td>Virtual Channel Connection </td>
        </tr>
        <tr>
            <td>VCI</td>
            <td>　</td>
            <td>virtual channel identifier</td>
        </tr>
        <tr>
            <td>V-D</td>
            <td>向量-距离（算法）<br>
            又叫Bellman-Ford算法）</td>
            <td>vector-distance</td>
        </tr>
        <tr>
            <td>VLAN</td>
            <td>　</td>
            <td>Virtual LAN</td>
        </tr>
        <tr>
            <td>VLSI</td>
            <td>超大规模集成电路</td>
            <td>　</td>
        </tr>
        <tr>
            <td>VOD</td>
            <td>点播图像</td>
            <td>Video on Demand</td>
        </tr>
        <tr>
            <td>VPC</td>
            <td>虚路径连接</td>
            <td>Virtual Path Connection</td>
        </tr>
        <tr>
            <td>VPI</td>
            <td>虚路径标识</td>
            <td>virtual path identifier</td>
        </tr>
        <tr>
            <td>VPN</td>
            <td>虚拟专用网络</td>
            <td>Virtual Private Network</td>
        </tr>
        <tr>
            <td>VRML</td>
            <td>虚拟现实造型语言</td>
            <td>Virtual Reality Modeling Language</td>
        </tr>
        <tr>
            <td>VTP</td>
            <td>虚拟隧道协议</td>
            <td>　</td>
        </tr>
    </table>
    <p align="center"><br>
    <a name="w">W</a> </p>
    <table border="1" width="90%">
        <tr>
            <td>WAN</td>
            <td>广域网</td>
            <td>Wide Area Network</td>
        </tr>
        <tr>
            <td>WDM</td>
            <td>波分多路复用</td>
            <td>Wavelength Division Multiplexing</td>
        </tr>
        <tr>
            <td>WDMA</td>
            <td>波分多路访问</td>
            <td>Wavelength Division Multiple Access</td>
        </tr>
        <tr>
            <td>WRB</td>
            <td>Web请求代理</td>
            <td>Web Request Broker</td>
        </tr>
        <tr>
            <td>WWW</td>
            <td>万维网</td>
            <td>World Wide Web</td>
        </tr>
    </table>
    <p align="center"><br>
    <a name="x">X</a> </p>
    <table border="1" width="90%">
        <tr>
            <td>XNS</td>
            <td>　</td>
            <td>Xerox Network System</td>
        </tr>
        <tr>
            <td>　</td>
            <td>　</td>
            <td>　</td>
        </tr>
    </table>
</blockquote>

<p>如有错误，请<a href="mailto:[e-mail]">告诉我</a>，如有增补，亦请告诉我，谢谢！
</p>

<p align="right">flamephoenix<br>1999.8.21</p>

<p align="center"><a href="standard.htm">一些标准</a> <a href="nc.htm">网络计算</a> <a href="../index.htm">目录</a></p>

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