An application message becomes transport data, then an IP packet, then a link-layer frame on the local network.
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Network layers divide communication responsibilities, and each layer wraps data with metadata needed by the next one. Experiment with a small example and see each step update.
An application message becomes transport data, then an IP packet, then a link-layer frame on the local network.
Read the related guide · · Bookmark this unique URL with Ctrl/Cmd+D.