PFCP messages
This section lists and describes PFCP message types.
There are three categories of PFCP messages
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Node related messages (0 to 49) that establish communication between Sxa, Sxb, Sxc, and N4 PFCP nodes.
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Session related messages (50-99) that create, update, and delete associations among PFCP nodes and start, modify, and stop sessions between nodes.
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Other messages (100 to 255) for future use.