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<title>AnyNet communications for the iSeries system</title>
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<h4 id="rzajt-cfg400toanynet-po">AnyNet communications for the iSeries system</h4>
<p><span class="bold">AnyNet&reg;</span> is an IBM&reg; implementation of the Multiprotocol Transport
Networking (MPTN) architecture, such as AnyNet/2 and AnyNet/Multiple Virtual
Storage (MVS&trade;). AnyNet capability allows applications and associated services
that use application programming interfaces, such as sockets, intersystem
communications function (ICF), or CPI Communications, the flexibility to use
alternative network protocols, such as Systems Network Architecture (SNA)
or TCP/IP. AnyNet is a family of products that allow applications that are written
for one type of network protocol to run over a different type of network protocol.
For example, without AnyNet, your choice of application programming interface
(API) dictates your choice of network protocol, or your choice of network
protocol dictates your choice of APIs.</p>
<p>AnyNet allows you to mix and match applications with network protocols.
In fact, you can do this without changing your application programs. Your
destination address (such as a remote location) determines the type of network
protocol to use.</p>
<ul>
<li>AnyNet/400 Sockets
<p>This support converts TCP/IP addresses to SNA addresses
that are based on tables that are configured by the network administrator.
Programs supported include File Transfer Protocol (FTP), Simple Mail Transfer
Protocol (SMTP), Simple Network Management Protocol (SNMP), PING, and user-written
sockets programs over SNA.</p></li>
<li>AnyNet/400 APPC (advanced program-to-program communications)
<p>This support
allows programs that are written to traditional APPC APIs (such as ICF, CPI-Communications,
and CICS/400&reg;) to be run over non-APPC networks. The application program uses <span class="bold">Location names</span> to specify the source and destination address.
A TCP/IP domain name server converts these location names to IP addresses.
Programs supported include distributed data management (DDM), Distributed Relational
Database Architecture&trade; (DRDA&reg;), SNA distribution services (SNADS),
display station pass-through, iSeries&trade; Access for Windows&reg;,
user-written CPI-Communications programs, and user-written ICF programs over
TCP/IP.</p></li></ul>
<p>For more information about AnyNet, see:</p>
<ul class="simple">
<li><a href="rzajtrzajtanypi.htm#rzajtany-pi">Set up the AnyNet environment</a></li>
<li><a href="rzajtrzajtperanynetin.htm#rzajtper-anynetin">Performance considerations for AnyNet communications</a></li>
<li>See also the <a href="../rzab6/rzab6mst.pdf" target="_blank">Sockets Programming</a>
<img src="wbpdf.gif" alt="Link to PDF" /> book.</li></ul>
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