IP as the IoT Network Layer, Slides of Computer Science

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IP as the IoT Network Layer

How the Internet Protocol became the architectural backbone of

modern IoT deployments — from constrained edge devices to

cloud data centers.

The Business Case for IP IoT data flows between devices and data centers — cloud or on- premises — running on virtualized OS or edge platforms. This demands a common architectural layer independent of connectivity and application layers. Unified Architecture IP decouples physical/data-link layers from applications, enabling flexible, layered design. IT + OT Convergence IP bridges enterprise IT and operational technology, becoming the universal protocol across both domains. 30+ Years of Provenance Decades of deployment across critical services validate IP as a long-term investment.

Adaption vs. Adoption of IP Choosing the Right Model Four factors determine the best approach for last-mile connectivity:

• (^) Data flow direction: Bidirectional vs. unidirectional (e.g., LPWA devices per RFC 7228)
• (^) Protocol overhead: IPv4 adds 20 bytes, IPv6 adds 40 bytes — significant for infrequent, small payloads
• (^) Data flow model: End-to-end IP suits multi-application flows; limited flows may only need gateway translation
• (^) Network diversity: Adaption locks devices to single PHY/MAC layers (e.g., Zigbee islands)