IPv6 upsides: Faster connections, richer data

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The business advantages of IPv6 are many, including direct customer access to websites, faster end-user experiences with Internet applications, and the opportunity to gather data about visitors to applications as well as measure visitors’ engagement and conversion.

Without NAT, IPv6 is faster than IPv4

If your organization offers a public website or internet or mobile applications, then it is likely that your site will function faster when using IPv6 vs IPv4.  That’s in part because of the proliferation of network-address translation (NAT) by service providers for IPv4 Internet connectivity.

Carriers lack sufficient public IPv4 addresses to provide unique addresses to all of their subscribers so they channel them through a massive NAT using a pool of public IPv4 addresses.  IPv4 traffic that hits carrier networks typically goes through one or more NATs and is backhauled through centralized carrier-grade or large-scale NATs where customer connections compete for TCP/UDP port space, connection limits, and bandwidth.  All this NATing requires recomputing TCP and UDP header checksums which introduces delays in the delivery of packets.

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