Now that you know how IPv6 works, it’s time to see where it’s actually happening. In this final chapter, we explore who’s using IPv6, which countries and companies are leading, and why adoption still lags in some areas. Whether you’re in IT, cloud, networking, or just IPv6-curious, this chapter shows why learning IPv6 today means being ready for tomorrow’s Internet.
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If everyone can see your address, they can follow you around the Internet. Not cool, right? In this chapter, you’ll discover how IPv6 Privacy Extensions let your devices regularly change their addresses, keeping your identity and location safer. Learn why your laptop sometimes has multiple IPv6 addresses and how this clever privacy feature protects you without lifting a finger.
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In IPv6, it’s not just about where your message goes — it’s about how it gets there. This chapter makes sense of Unicast (talking to one device), Multicast (talking to a group), and Anycast (finding the nearest listener), using simple real-world examples like party invitations, sports team emails, and finding the closest pizza shop.
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Forget the noisy, outdated broadcast chaos of IPv4. In this chapter, you’ll discover how IPv6 devices elegantly find routers, neighbors, and even solve network problems using the Neighbor Discovery Protocol (NDP) — a polite, modern networking conversation that keeps your devices talking smoothly without yelling across the network.
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