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Transitioning to IPv6
In the early days of the internet, architects designed IPv4 to provide roughly 4.3 billion unique IP addresses. At the time, that number seemed inexhaustible. Few dared to imagine a future where every phone, television, and household appliance would require a permanent connection to the global network.
By the late 1990s, however, engineers realised the pool of available addresses was rapidly draining. What the infrastructure desperately needed was a vastly expanded numbering system. This impending exhaustion led to the development of Internet Protocol version 6, or IPv6.
Unlike its predecessor, IPv6 uses 128-bit addresses, allowing for an astronomically larger number of devices. Under this new protocol, the theoretical limit is 340 undecillion addresses. Not only does this solve the immediate shortage, but it also provides enough space for decades of future technological expansion.
Migration, unfortunately, has not been as rapid as early advocates hoped. Some