IPv4 is running out of steam and companies are finally starting to switch to IPv6. So what is the difference between the two and why should you be using IPv6.

Last but not least, IPv6 does away with the IPv4 Header Checksum field and adds the Flow Label field. A simple checksum is computed over the IPv4 header before a packet is transmitted.

Most notable is the lack of a checksum field for the IPv6 header.This greatly improves performance in routers. When an IPv4 packet isforwarded by a router the Time-to-Live (TTL) field must be ...