Apple's Secret "Back to My Mac" Push behind IPv6

The Internet is running out of addresses. To get around this problem and a host of others not addressed in the existing Internet Protocol (IPv4), a new revision has been in development for years, called IPv6. Uptake has been slow; it requires upgrading all the routers and devices that make up the Internet. Apple has a few tricks up its sleeve for pushing IPv6 adoption, and many Mac users are already chin deep in the technology without even knowing it.

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