+**Internet Protocol** (IP) is the fundamental set of rules governing how [Data](/wiki/data) travels across a [Network](/wiki/network). It defines how information is addressed and routed, ensuring packets reach their intended destination. This foundational layer enables the global Internet.
+## See also
+- [TCP](/wiki/tcp)
+- [IP address](/wiki/ip_address)
+- [Packet](/wiki/packet)
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