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5.4 KiB
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69 lines
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<meta name="DC.Title" content="LANWDWSTP" />
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<meta name="abstract" content="The LAN window step (LANWDWSTP) parameter of your SNA controller description determines whether the number of outstanding frames are reduced during network congestion." />
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<title> LANWDWSTP</title>
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<body id="rzajylanwdwstp"><a name="rzajylanwdwstp"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1"> LANWDWSTP</h1>
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<div><p>The LAN window step (LANWDWSTP) parameter of your SNA controller
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description determines whether the number of outstanding frames are reduced
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during network congestion. </p>
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<div class="section"><p>Parameter LANMAXOUT determines the initial value for the number
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of outstanding frames.</p>
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<p>The default *CALC value for LANWDWSTP is *NONE.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Performance considerations</h4><p>If the value for LANWDWSTP
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parameter is too small or is *NONE, the network congestion takes longer to
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subside. For more information about network congestion, see the
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discussion of the dynamic window algorithm in book <cite>Token-Ring Network
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Architecture Reference</cite> (SC30–3374).</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajysnaoveratmtimingissues.htm">SNA over Ethernet timing parameters</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="rzajychangingtimingparameters.htm" title="Do these steps to change the LAN timing parameters.">Changing timing parameters</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="rzajylancnntmrandlancnnrty.htm" title="The LAN connection timer (LANCNNTMR) and LAN connection retry (LANCNNRTY) parameters of your controller description define the frequency and persistence of polling the remote station to establish a connection">LANCNNTMR and LANCNNRTY</a></div>
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<div><a href="rzajylanrsptmrandlanfrmrty.htm" title="The LAN response timer (LANRSPTMR) and the LAN frame retry (LANFRMRTY) parameters in your controller description determine how soon and how often the system retransmits a frame.">LANRSPTMR and LANFRMRTY</a></div>
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<div><a href="rzajylanacktmrandlanackfrq.htm" title="Your SNA controller description includes the LAN acknowledgment timer (LANACKTMR) and the LAN acknowledgment frequency (LANACKFRQ) parameters. They work together to determine how often to send an acknowledgment to the remote station.">LANACKTMR and LANACKFRQ</a></div>
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<div><a href="rzajylaninactmr.htm" title="The LAN inactivity timer (LANINACTMR) parameter of your SNA controller description determines how long your system waits before requesting a response from the remote station. Your system uses the request to test if the remote station is still accessible.">LANINACTMR</a></div>
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<div><a href="rzajylanmaxout.htm" title="The Maximum outstanding data frames (LANMAXOUT) parameter of your SNA controller description specifies how many frames your system sends before waiting to receive an acknowledgment.">LANMAXOUT</a></div>
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<div><a href="rzajylanaccpty.htm" title="The LAN access priority (LANACCPTY) parameter of your SNA controller description determines a token's priority.">LANACCPTY</a></div>
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