<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html lang="en-us" xml:lang="en-us"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="security" content="public" /> <meta name="Robots" content="index,follow" /> <meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' /> <meta name="DC.Type" content="reference" /> <meta name="DC.Title" content="Communications requirements for DDM in an APPC network" /> <meta name="abstract" content="Each iSeries server in a DDM network that is not using OptiConnect must have these communications requirements." /> <meta name="description" content="Each iSeries server in a DDM network that is not using OptiConnect must have these communications requirements." /> <meta name="DC.subject" content="communications, requirements, APPN (advanced peer-to-peer networking), configuring, advanced peer-to-peer networking (APPN), networking, configuring APPC, configuring APPN, APPC" /> <meta name="keywords" content="communications, requirements, APPN (advanced peer-to-peer networking), configuring, advanced peer-to-peer networking (APPN), networking, configuring APPC, configuring APPN, APPC" /> <meta name="DC.Relation" scheme="URI" content="rbae5prepddm.htm" /> <meta name="DC.Relation" scheme="URI" content="../rzahj/rzahjovr.htm" /> <meta name="DC.Relation" scheme="URI" content="../rzau3/rzau3kickoff.htm" /> <meta name="DC.Relation" scheme="URI" content="http://publibfp.boulder.ibm.com/epubs/pdf/c4154010.pdf" /> <meta name="DC.Relation" scheme="URI" content="../rzahg/rzahgicca2.htm" /> <meta name="copyright" content="(C) Copyright IBM Corporation 1999, 2006" /> <meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1999, 2006" /> <meta name="DC.Format" content="XHTML" /> <meta name="DC.Identifier" content="rbae5commreq" /> <meta name="DC.Language" content="en-us" /> <!-- All rights reserved. Licensed Materials Property of IBM --> <!-- US Government Users Restricted Rights --> <!-- Use, duplication or disclosure restricted by --> <!-- GSA ADP Schedule Contract with IBM Corp. --> <link rel="stylesheet" type="text/css" href="./ibmdita.css" /> <link rel="stylesheet" type="text/css" href="./ic.css" /> <title>Communications requirements for DDM in an APPC network</title> </head> <body id="rbae5commreq"><a name="rbae5commreq"><!-- --></a> <!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script> <h1 class="topictitle1">Communications requirements for DDM in an APPC network</h1> <div><p>Each <span class="keyword">iSeries™ server</span> in a DDM network that is not using <span class="keyword">OptiConnect</span> must have these communications requirements. </p> <div class="section"><ul><li>The APPC/APPN support or the <span class="keyword">iSeries Access Family</span> licensed program installed and configured on the server. </li> <li>At least one Systems Network Architecture (SNA) communications line connection that uses synchronous data link communications (SDLC), token-ring network, Ethernet, or X.25 protocol.</li> </ul> </div> <div class="section"><p>The number of sessions that can be used for DDM conversations is not limited by DDM. The maximum is determined in the same manner as for any other APPC-related communications. For parallel sessions, the session maximum is specified in the mode. For single session devices, the session maximum is always one. </p> </div> <div class="section"><p><span class="keyword">iSeries server</span>s in a DDM network that use <span class="keyword">OptiConnect</span> must have the <span class="keyword">OptiConnect</span> software and hardware installed. <span class="keyword">OptiConnect</span> replaces the need for SNA communications line connections. </p> </div> </div> <div> <div class="familylinks"> <div class="parentlink"><strong>Parent topic:</strong> <a href="rbae5prepddm.htm" title="There are several requirements that must be met for DDM to be used properly.">Prepare to use DDM</a></div> </div> <div class="relconcepts"><strong>Related concepts</strong><br /> <div><a href="../rzahj/rzahjovr.htm">APPC, APPN, and HPR</a></div> <div><a href="../rzau3/rzau3kickoff.htm">OptiConnect</a></div> <div><a href="../rzahg/rzahgicca2.htm">Connecting to iSeries: iSeries Access for Windows</a></div> </div> <div class="relinfo"><strong>Related information</strong><br /> <div><a href="http://publibfp.boulder.ibm.com/epubs/pdf/c4154010.pdf" target="_blank">Communications Configuration PDF</a></div> </div> </div> </body> </html>