Want to know what is the difference between ipv4 and ipv6 and how does it affect the openstream()
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Want to know what is the difference between ipv4 and ipv6 and how does it affect the openstream()
The basic difference is the number of available addresses. IPv4 has a 32-bit address whereas IPv6 has 128 bits.
This allows for a massive expansion in IP addresses, probably enough for every fridge, microwave or other white good on the planet to have its own class C subnet 🙂
Actually, that’s probably only funny once you understand a lot more about IP addressing so feel free to just laugh nervously if you don’t understand 🙂
There’s some extra goodies in v6 but the IP address expansion is pretty well the major feature.
See also wikipedia for IPv6 and IPv4. There’s a section in that first link which details some of the IPv4/IPv6 differences.