iot
Describing UDP datagrams, their size limits, and what UDP does not promise
taught
Taught in
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UDP datagrams
Connected Devices and the Internet of Things
Requires
- ports-and-sockets required
Required by
- Getting wall-clock time onto a device with NTP, timestamping readings, and handling the time before sync required
- Measuring and budgeting latency, throughput and loss for a device link required
- Reading CoAP requests and responses -- confirmable messages, tokens, options and Observe required
- Sending messages between ESP32s with ESP-NOW, without an access point, and knowing its limits required
Local knowledge map
Local knowledge map
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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.