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== Relation to the Internet protocol suite == The [[Internet protocol suite]], as defined in [https://datatracker.ietf.org/doc/html/rfc1122 RFC 1122] and [https://datatracker.ietf.org/doc/html/rfc1123 RFC 1123], is a high-level networking description used for the Internet and similar networks. It does not define a layer that deals exclusively with hardware-level specifications and interfaces, as this model does not concern itself directly with physical interfaces.<ref>{{Cite web|title=rfc1122|url=https://datatracker.ietf.org/doc/html/rfc1122|access-date=2021-07-28|website=datatracker.ietf.org}}</ref><ref>{{Cite web|title=rfc1123|url=https://datatracker.ietf.org/doc/html/rfc1123|access-date=2021-07-28|website=datatracker.ietf.org}}</ref>
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