Comment on Phones have unique phone numbers, why dont computers have unique computer-numbers?

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jeffhykin@lemm.ee ⁨5⁩ ⁨months⁩ ago

If I’m understanding correctly, you’re saying that right now the network doesn’t have an exhaustive table of IP addresses to physical locations. It has a cache, and a hierarchy, and the path to a location of the IP is fluid.

But a system where every device could be directly contacted/identified like a Sim card, would effectively require a complete table of “what network is device ABC at” that is updated every time the device changes network connections. It would be like trying to change domain name to point to a different IP address.

The problem is, updating a domain to point to a new IP takes hours or days not seconds, so doing that every time a phone changes WiFi is not practical.

Is that a good summary?

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