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The Miserable State of Modems and Mobile Network Operators
This is a story of the complexities of cellular connectivity, the perils of closed ecosystems, and how to debug what you cannot see.
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2
NAT Is the Enemy of Low Power Devices
If you have ever tried communicating with a device on a private network, you may have encountered Network Address Translation (NAT). Because the number of connected devices has long outpaced the number of unique addresses in the IPv4 address space, public IP addresses have to be shared between devices. This introduces…