IPv4 vs. IPv6: What Are the Differences?
Quick Links Summary The main difference between IPv4 and the newer IPv6 is the availability of addresses. IPv6 offers over 1,000 times the number of unique addresses offered by IPv4. There are some other technical differences that make IPv6 more secure and flexible, but its speed is usually the same as IPv4. An internet protocol (IP) is a set of rules used to move packets of information through the internet to their intended destination....