<p>This document specifies the OSI transport layer and network layer by means of services and protocols. They can be used by different applications.</p>
<p>The transport layer:</p>
<p>— transforms a message into a single packet;</p>
<p>— adds protocol control information for diagnostic and node configuration into each packet;</p>
<p>— adds packet identifier for diagnostic and node configuration into each packet; and</p>
<p>— performs transport protocol error detection.</p>
<p>The transport layer protocol is not used for normal communication except to map the service interface parameters between lower and upper OSI layers.</p>
<p>The network layer:</p>
<p>— adds a node address for diagnostic and node configuration into each segment; and</p>
<p>— observes timing for diagnostic and node configuration of each segment.</p>
<p>The network layer is not used for normal communication except to map the service interface parameters between lower and upper OSI layers.</p>
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72869
Scope
<p>This document specifies the OSI transport layer and network layer by means of services and protocols. They can be used by different applications.</p>
<p>The transport layer:</p>
<p>— transforms a message into a single packet;</p>
<p>— adds protocol control information for diagnostic and node configuration into each packet;</p>
<p>— adds packet identifier for diagnostic and node configuration into each packet; and</p>
<p>— performs transport protocol error detection.</p>
<p>The transport layer protocol is not used for normal communication except to map the service interface parameters between lower and upper OSI layers.</p>
<p>The network layer:</p>
<p>— adds a node address for diagnostic and node configuration into each segment; and</p>
<p>— observes timing for diagnostic and node configuration of each segment.</p>
<p>The network layer is not used for normal communication except to map the service interface parameters between lower and upper OSI layers.</p>
