Question: When Host A sends Host B a TCP segment encapsulated in an IP datagram, analyze the steps that Host B ' s network layer takes

When Host A sends Host B a TCP segment encapsulated in an IP datagram, analyze the
steps that Host B's network layer takes to determine whether to pass the segment to TCP or
UDP. Critically assess the role of the protocol field in the IP header and how protocol numbers
are mapped to transport-layer protocols. Propose improvements to the way payloads are
identified in modern networking protocols, considering issues like protocol extensibility and
future-proofing in evolving network environments

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