Free Windows Help Tutorials sponsored by inkjet printer cartridges dot org /title> <META HTTP-EQUIV="imagetoolbar" CONTENT="no"> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=ISO 8859-1"> <META name="description" Content="Hundreds of downloadable Windows help tutorials, articles and how-to guides sponsored by inkjet printer cartridges dot org."><style type="text/css">  </style> </head> <body bgcolor=#999999 vlink=blue link=blue> <span name = "INTRA" class="pg" style="top:0px; left:5px; width:714px; height:1010px"></span> <span name = "INTRA" style='top:0px; left:5px; height:1010px; width:714px' class='img'> <img src="pg0001im.png" height = "1010 width = "714" border="0"> </span> <span name = "INTRA" style='top:51px; left:550px' class="ft5"><pre><font face='Helvetica'>Problem Solving:Overview</font></pre></span> <span name = "INTRA" style='top:104px; left:171px' class="ft3"><pre><font face='Arial'><b>How</b> <b>To</b> <b>Manage</b></font></pre></span> <span name = "INTRA" style='top:154px; left:182px' class="ft3"><pre><font face='Arial'><b>Switched</b> <b>LANs</b></font></pre></span> <span name = "INTRA" style='top:248px; left:142px' class="ft2"><pre><font face='Arial'><i><b>While</b></i> <i><b>switched</b></i> <i><b>LANs</b></i> <i><b>offer</b></i> <i><b>greater</b></i> <i><b>flexibility</b></i> <i><b>they</b></i> <i><b>need</b></i> <i><b>careful</b></i> <i><b>management</b></i></font></pre></span> <span name = "INTRA" style='top:268px; left:244px' class="ft2"><pre><font face='Arial'><i><b>in</b></i> <i><b>order</b></i> <i><b>to</b></i> <i><b>ensure</b></i> <i><b>optimum</b></i> <i><b>performance.</b></i></font></pre></span> <span name = "INTRA" style='top:301px; left:570px' class="ft1"><pre><font face='Arial'>By Linda Davies</font></pre></span> <span name = "INTRA" style='top:370px; left:77px' class="ft0"><pre><font face='Arial'><b>W</b></font></pre></span> <span name = "INTRA" style='top:374px; left:124px' class="ft1"><pre><font face='Arial'>ith networks becoming larger</font></pre></span> <span name = "INTRA" style='top:374px; left:272px' class="ft1"><pre><font face='Arial'>resource to communicate with each</font></pre></span> <span name = "INTRA" style='top:374px; left:466px' class="ft1"><pre><font face='Arial'>tions can occur simultaneously on a</font></pre></span> <span name = "INTRA" style='top:386px; left:124px' class="ft1"><pre><font face='Arial'>and increasingly sophisti </font></pre></span> <span name = "INTRA" style='top:386px; left:272px' class="ft1"><pre><font face='Arial'>other. When a device communicates on</font></pre></span> <span name = "INTRA" style='top:386px; left:466px' class="ft1"><pre><font face='Arial'>single switched hub, providing almost</font></pre></span> <span name = "INTRA" style='top:398px; left:124px' class="ft1"><pre><font face='Arial'>cated, supporting more pow </font></pre></span> <span name = "INTRA" style='top:398px; left:272px' class="ft1"><pre><font face='Arial'>shared media, the shared media hub</font></pre></span> <span name = "INTRA" style='top:398px; left:466px' class="ft1"><pre><font face='Arial'>dedicated bandwidth to the desktops.</font></pre></span> <span name = "INTRA" style='top:410px; left:77px' class="ft1"><pre><font face='Arial'>erful PCs and applications that demand</font></pre></span> <span name = "INTRA" style='top:410px; left:272px' class="ft1"><pre><font face='Arial'>propagates the signal to each of the other</font></pre></span> <span name = "INTRA" style='top:422px; left:77px' class="ft1"><pre><font face='Arial'>higher bandwidth, the traditional 10</font></pre></span> <span name = "INTRA" style='top:422px; left:272px' class="ft1"><pre><font face='Arial'>connected devices. In this environment</font></pre></span> <span name = "INTRA" style='top:424px; left:466px' class="ft2"><pre><font face='Arial'><i><b>Switched</b></i> <i><b>Networking</b></i></font></pre></span> <span name = "INTRA" style='top:434px; left:77px' class="ft1"><pre><font face='Arial'>Mbits/sec Ethernet networks are begin </font></pre></span> <span name = "INTRA" style='top:434px; left:272px' class="ft1"><pre><font face='Arial'>each device is expected to monitor the</font></pre></span> <span name = "INTRA" style='top:446px; left:77px' class="ft1"><pre><font face='Arial'>ning to show signs of strain. This con </font></pre></span> <span name = "INTRA" style='top:446px; left:272px' class="ft1"><pre><font face='Arial'>network in order to determine what is</font></pre></span> <span name = "INTRA" style='top:446px; left:480px' class="ft1"><pre><font face='Arial'>Switched networking, either Eth </font></pre></span> <span name = "INTRA" style='top:458px; left:77px' class="ft1"><pre><font face='Arial'>test for the delivery of bandwidth to</font></pre></span> <span name = "INTRA" style='top:458px; left:272px' class="ft1"><pre><font face='Arial'>going on and when the network will be</font></pre></span> <span name = "INTRA" style='top:458px; left:466px' class="ft1"><pre><font face='Arial'>ernet or Token Ring, provides a simple</font></pre></span> <span name = "INTRA" style='top:470px; left:77px' class="ft1"><pre><font face='Arial'>the desktop has now started to affect</font></pre></span> <span name = "INTRA" style='top:470px; left:272px' class="ft1"><pre><font face='Arial'>available for it to send its messages.</font></pre></span> <span name = "INTRA" style='top:470px; left:466px' class="ft1"><pre><font face='Arial'>solution to existing networks suffering</font></pre></span> <span name = "INTRA" style='top:482px; left:77px' class="ft1"><pre><font face='Arial'>the performance of many networks.</font></pre></span> <span name = "INTRA" style='top:482px; left:272px' class="ft1"><pre><font face='Arial'>Thus the available bandwidth is di </font></pre></span> <span name = "INTRA" style='top:482px; left:466px' class="ft1"><pre><font face='Arial'>from traffic congestion. By strategi </font></pre></span> <span name = "INTRA" style='top:494px; left:91px' class="ft1"><pre><font face='Arial'>Stopgap measures, such as router</font></pre></span> <span name = "INTRA" style='top:494px; left:272px' class="ft1"><pre><font face='Arial'>vided between all the active devices on</font></pre></span> <span name = "INTRA" style='top:494px; left:466px' class="ft1"><pre><font face='Arial'>cally placing switched hubs within the</font></pre></span> <span name = "INTRA" style='top:506px; left:77px' class="ft1"><pre><font face='Arial'>micro segmentation to create more</font></pre></span> <span name = "INTRA" style='top:506px; left:272px' class="ft1"><pre><font face='Arial'>the network segment. Each station has</font></pre></span> <span name = "INTRA" style='top:506px; left:466px' class="ft1"><pre><font face='Arial'>existing topology, or by relocating</font></pre></span> <span name = "INTRA" style='top:518px; left:77px' class="ft1"><pre><font face='Arial'>LAN segments with smaller numbers</font></pre></span> <span name = "INTRA" style='top:518px; left:272px' class="ft1"><pre><font face='Arial'>to listen to see if any other station is</font></pre></span> <span name = "INTRA" style='top:518px; left:466px' class="ft1"><pre><font face='Arial'>shared network resources such as file</font></pre></span> <span name = "INTRA" style='top:530px; left:77px' class="ft1"><pre><font face='Arial'>of users, have been used to overcome</font></pre></span> <span name = "INTRA" style='top:530px; left:272px' class="ft1"><pre><font face='Arial'>communicating, and may only com </font></pre></span> <span name = "INTRA" style='top:530px; left:466px' class="ft1"><pre><font face='Arial'>servers, printers and routers onto</font></pre></span> <span name = "INTRA" style='top:542px; left:77px' class="ft1"><pre><font face='Arial'>part of the problem. However, this is</font></pre></span> <span name = "INTRA" style='top:542px; left:272px' class="ft1"><pre><font face='Arial'>municate when the others have com </font></pre></span> <span name = "INTRA" style='top:542px; left:466px' class="ft1"><pre><font face='Arial'>switched media hubs, the bandwidth</font></pre></span> <span name = "INTRA" style='top:554px; left:77px' class="ft1"><pre><font face='Arial'>only a temporary answer, can be ex </font></pre></span> <span name = "INTRA" style='top:554px; left:272px' class="ft1"><pre><font face='Arial'>pleted their message. In the Token</font></pre></span> <span name = "INTRA" style='top:554px; left:466px' class="ft1"><pre><font face='Arial'>utilisation of each segment can be dra </font></pre></span> <span name = "INTRA" style='top:566px; left:77px' class="ft1"><pre><font face='Arial'>pensive to implement in resource</font></pre></span> <span name = "INTRA" style='top:566px; left:272px' class="ft1"><pre><font face='Arial'>Ring scenario, each station must wait</font></pre></span> <span name = "INTRA" style='top:566px; left:466px' class="ft1"><pre><font face='Arial'>matically reduced. Switched network </font></pre></span> <span name = "INTRA" style='top:578px; left:77px' class="ft1"><pre><font face='Arial'>terms and does not offer a long term</font></pre></span> <span name = "INTRA" style='top:578px; left:272px' class="ft1"><pre><font face='Arial'>for the token to be passed to it before it</font></pre></span> <span name = "INTRA" style='top:578px; left:466px' class="ft1"><pre><font face='Arial'>ing provides the simplest upgrade</font></pre></span> <span name = "INTRA" style='top:590px; left:77px' class="ft1"><pre><font face='Arial'>solution to the problem.</font></pre></span> <span name = "INTRA" style='top:590px; left:272px' class="ft1"><pre><font face='Arial'>can start to communicate.</font></pre></span> <span name = "INTRA" style='top:590px; left:466px' class="ft1"><pre><font face='Arial'>path for any shared media network.</font></pre></span> <span name = "INTRA" style='top:602px; left:91px' class="ft1"><pre><font face='Arial'>A more scalable response is to look</font></pre></span> <span name = "INTRA" style='top:602px; left:286px' class="ft1"><pre><font face='Arial'>Switched networking differs in that</font></pre></span> <span name = "INTRA" style='top:614px; left:77px' class="ft1"><pre><font face='Arial'>at LAN switches, which can be imple </font></pre></span> <span name = "INTRA" style='top:614px; left:272px' class="ft1"><pre><font face='Arial'>it attempts to provide equal and unre </font></pre></span> <span name = "INTRA" style='top:616px; left:466px' class="ft2"><pre><font face='Arial'><i><b>Design</b></i> <i><b>Optimisation</b></i></font></pre></span> <span name = "INTRA" style='top:626px; left:77px' class="ft1"><pre><font face='Arial'>mented into an existing networked to </font></pre></span> <span name = "INTRA" style='top:626px; left:272px' class="ft1"><pre><font face='Arial'>stricted network bandwidth access to</font></pre></span> <span name = "INTRA" style='top:638px; left:77px' class="ft1"><pre><font face='Arial'>pology and offer immediate improved</font></pre></span> <span name = "INTRA" style='top:638px; left:272px' class="ft1"><pre><font face='Arial'>each and every device on the network.</font></pre></span> <span name = "INTRA" style='top:638px; left:480px' class="ft1"><pre><font face='Arial'>Network bandwidth is the size of</font></pre></span> <span name = "INTRA" style='top:650px; left:77px' class="ft1"><pre><font face='Arial'>network performance.</font></pre></span> <span name = "INTRA" style='top:650px; left:272px' class="ft1"><pre><font face='Arial'>When a device transmits data across a</font></pre></span> <span name = "INTRA" style='top:650px; left:466px' class="ft1"><pre><font face='Arial'>the pipe down which the data travels </font></pre></span> <span name = "INTRA" style='top:662px; left:91px' class="ft1"><pre><font face='Arial'>LAN switching provides not only a</font></pre></span> <span name = "INTRA" style='top:662px; left:272px' class="ft1"><pre><font face='Arial'>switched network, the hub determines</font></pre></span> <span name = "INTRA" style='top:662px; left:466px' class="ft1"><pre><font face='Arial'>it bears no relationship to the speed at</font></pre></span> <span name = "INTRA" style='top:674px; left:77px' class="ft1"><pre><font face='Arial'>dedicated connection but also dedi </font></pre></span> <span name = "INTRA" style='top:674px; left:272px' class="ft1"><pre><font face='Arial'>exactly which device requires the in </font></pre></span> <span name = "INTRA" style='top:674px; left:466px' class="ft1"><pre><font face='Arial'>which the data can travel, but only to</font></pre></span> <span name = "INTRA" style='top:686px; left:77px' class="ft1"><pre><font face='Arial'>cated bandwidth between two systems</font></pre></span> <span name = "INTRA" style='top:686px; left:272px' class="ft1"><pre><font face='Arial'>formation and where to forward it.</font></pre></span> <span name = "INTRA" style='top:686px; left:466px' class="ft1"><pre><font face='Arial'>the amount of data that can be trans </font></pre></span> <span name = "INTRA" style='top:698px; left:77px' class="ft1"><pre><font face='Arial'>on the network. It is this dedication</font></pre></span> <span name = "INTRA" style='top:698px; left:272px' class="ft1"><pre><font face='Arial'>Each port on a switched hub replicates</font></pre></span> <span name = "INTRA" style='top:698px; left:466px' class="ft1"><pre><font face='Arial'>ferred between two devices. High vol </font></pre></span> <span name = "INTRA" style='top:710px; left:77px' class="ft1"><pre><font face='Arial'>that instantly removes some of the in </font></pre></span> <span name = "INTRA" style='top:710px; left:272px' class="ft1"><pre><font face='Arial'>only those packets destined for the de </font></pre></span> <span name = "INTRA" style='top:710px; left:466px' class="ft1"><pre><font face='Arial'>umes of traffic congest the network</font></pre></span> <span name = "INTRA" style='top:722px; left:77px' class="ft1"><pre><font face='Arial'>herent performance issues.</font></pre></span> <span name = "INTRA" style='top:722px; left:272px' class="ft1"><pre><font face='Arial'>vice attached to it, and filters out the</font></pre></span> <span name = "INTRA" style='top:722px; left:466px' class="ft1"><pre><font face='Arial'>and reduce the throughput. Devices</font></pre></span> <span name = "INTRA" style='top:734px; left:91px' class="ft1"><pre><font face='Arial'>Most of the major network infrastruc </font></pre></span> <span name = "INTRA" style='top:734px; left:272px' class="ft1"><pre><font face='Arial'>rest. Broadcast and multi cast packets</font></pre></span> <span name = "INTRA" style='top:734px; left:466px' class="ft1"><pre><font face='Arial'>that have to make intelligent decisions</font></pre></span> <span name = "INTRA" style='top:746px; left:77px' class="ft1"><pre><font face='Arial'>ture vendors, including Cisco, Bay and</font></pre></span> <span name = "INTRA" style='top:746px; left:272px' class="ft1"><pre><font face='Arial'>destined for all devices are also passed</font></pre></span> <span name = "INTRA" style='top:746px; left:466px' class="ft1"><pre><font face='Arial'>on data forwarding in a network, such</font></pre></span> <span name = "INTRA" style='top:758px; left:77px' class="ft1"><pre><font face='Arial'>3Com, provide LAN switches. So what </font></pre></span> <span name = "INTRA" style='top:758px; left:272px' class="ft1"><pre><font face='Arial'>through. This is the closest to dedi </font></pre></span> <span name = "INTRA" style='top:758px; left:466px' class="ft1"><pre><font face='Arial'>as routers, bridges and switches, can</font></pre></span> <span name = "INTRA" style='top:770px; left:77px' class="ft1"><pre><font face='Arial'>ever your current topology or supplier,</font></pre></span> <span name = "INTRA" style='top:770px; left:272px' class="ft1"><pre><font face='Arial'>cated bandwidth for each device that</font></pre></span> <span name = "INTRA" style='top:770px; left:466px' class="ft1"><pre><font face='Arial'>also slow down the network traffic.</font></pre></span> <span name = "INTRA" style='top:782px; left:77px' class="ft1"><pre><font face='Arial'>if you are running an Ethernet or To </font></pre></span> <span name = "INTRA" style='top:782px; left:272px' class="ft1"><pre><font face='Arial'>can be achieved.</font></pre></span> <span name = "INTRA" style='top:782px; left:466px' class="ft1"><pre><font face='Arial'>Ultimately, by making reasonable de </font></pre></span> <span name = "INTRA" style='top:794px; left:77px' class="ft1"><pre><font face='Arial'>ken Ring network, LAN switches are</font></pre></span> <span name = "INTRA" style='top:794px; left:286px' class="ft1"><pre><font face='Arial'>Shared media hubs are similar in</font></pre></span> <span name = "INTRA" style='top:794px; left:466px' class="ft1"><pre><font face='Arial'>cisions they encourage and promote a</font></pre></span> <span name = "INTRA" style='top:806px; left:77px' class="ft1"><pre><font face='Arial'>definitely a viable option for improv </font></pre></span> <span name = "INTRA" style='top:806px; left:272px' class="ft1"><pre><font face='Arial'>function to multi port repeaters, in that</font></pre></span> <span name = "INTRA" style='top:807px; left:466px' class="ft1"><pre><font face='Arial'>better overall throughput.</font></pre></span> <span name = "INTRA" style='top:818px; left:77px' class="ft1"><pre><font face='Arial'>ing the performance of your network.</font></pre></span> <span name = "INTRA" style='top:818px; left:272px' class="ft1"><pre><font face='Arial'>traffic is propagated to all ports regard </font></pre></span> <span name = "INTRA" style='top:818px; left:480px' class="ft1"><pre><font face='Arial'>Depending on how they are imple </font></pre></span> <span name = "INTRA" style='top:831px; left:272px' class="ft1"><pre><font face='Arial'>less of who needs the data. Switched</font></pre></span> <span name = "INTRA" style='top:831px; left:466px' class="ft1"><pre><font face='Arial'>mented, data forwarding devices such</font></pre></span> <span name = "INTRA" style='top:844px; left:77px' class="ft2"><pre><font face='Arial'><i><b>Architecture</b></i></font></pre></span> <span name = "INTRA" style='top:843px; left:272px' class="ft1"><pre><font face='Arial'>media hubs are similar in function to</font></pre></span> <span name = "INTRA" style='top:843px; left:466px' class="ft1"><pre><font face='Arial'>as switches can either dramatically im </font></pre></span> <span name = "INTRA" style='top:855px; left:272px' class="ft1"><pre><font face='Arial'>multi port bridges, the switch deter </font></pre></span> <span name = "INTRA" style='top:855px; left:466px' class="ft1"><pre><font face='Arial'>prove or detract from the overall net </font></pre></span> <span name = "INTRA" style='top:867px; left:91px' class="ft1"><pre><font face='Arial'>Traditional network technologies</font></pre></span> <span name = "INTRA" style='top:866px; left:272px' class="ft1"><pre><font face='Arial'>mining where to send incoming data</font></pre></span> <span name = "INTRA" style='top:867px; left:466px' class="ft1"><pre><font face='Arial'>work performance. Care needs to be</font></pre></span> <span name = "INTRA" style='top:879px; left:77px' class="ft1"><pre><font face='Arial'>often use shared media to allow inter </font></pre></span> <span name = "INTRA" style='top:878px; left:272px' class="ft1"><pre><font face='Arial'>according to the delivery address of the</font></pre></span> <span name = "INTRA" style='top:879px; left:466px' class="ft1"><pre><font face='Arial'>taken during the network design stage</font></pre></span> <span name = "INTRA" style='top:891px; left:77px' class="ft1"><pre><font face='Arial'>network devices to communicate. Usu </font></pre></span> <span name = "INTRA" style='top:891px; left:272px' class="ft1"><pre><font face='Arial'>packets. One of the main benefits of this</font></pre></span> <span name = "INTRA" style='top:891px; left:466px' class="ft1"><pre><font face='Arial'>not to introduce increased latency.</font></pre></span> <span name = "INTRA" style='top:903px; left:77px' class="ft1"><pre><font face='Arial'>ally, each device shares the same basic</font></pre></span> <span name = "INTRA" style='top:903px; left:272px' class="ft1"><pre><font face='Arial'>technology is that multiple conversa </font></pre></span> <span name = "INTRA" style='top:903px; left:480px' class="ft1"><pre><font face='Arial'>The best design for a network, but</font></pre></span> <span name = "INTRA" style='top:946px; left:52px' class="ft1"><pre><font face='Arial'>Issue 96 (June 1998) page 21</font></pre></span> <span name = "INTRA" style='top:946px; left:611px' class="ft1"><pre><font face='Arial'>File: P04109.1</font></pre></span> <span name = "INTRA" style='top:944px; left:261px' class="ft4"><pre><font face='Arial'><b>PC</b> <b>Network</b> <b>Advisor</b></font></pre></span> <span name = "INTRA" class='nav' style='left: 357px; top: 1010px'><pre><< < GO <a href='page0002.htm'>></a> <a href='page0002.htm'>>></a></pre></span> <span name = "INTRA" style='top:1050px; left:50px' class="ft4"><pre><b><font color="#FF0000" size="3" face="Arial">New!</font><font color="#FF0000" size="3" face="Arial Narrow"> </font><font size="2" face="Arial">The best sites for quality <a href="http://www.inkjet-printer-cartridges.org">inkjet printer cartridges</a> and the best sites for <a href="http://www.cheap-inkjet-cartridges.com">cheap inkjet cartridges</a></font></b></pre></span></body> <span name = "INTRA" style='top:1100px; left:300px' class="ft4"><pre><b><font color="#FF0000" size="3" face="Arial"><a href="../index.html">Windows Help Desk Home</a> </font></b></pre></span></body></html>