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TCP, UDP, and IP z/OS Communications Server: IP IMS Sockets Guide SC27-3653-00 |
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TCP/IP is a family of protocols that is named after its two most important members. Figure 1 shows the TCP/IP protocols used by IMS™ TCP/IP, in terms of the layered Open Systems Interconnection (OSI) model, which is widely used to describe data communication systems. For IMS users who might be more accustomed to SNA, the left side of Figure 1 shows the SNA layers, which correspond very closely to the OSI layers. Figure 1. TCP/IP protocols when compared
to the OSI Model and SNA
The protocols implemented by TCP/IP Services and used by IMS TCP/IP, are
highlighted in Figure 1:
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Copyright IBM Corporation 1990, 2014
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