CBN's Domestic and Global networks are running IPv6 dual stack and natively. We are connecting to many peers and upstreams directly over IPv6. This means that we're to have full IPv6 connectivity, and now we are making IPv6 available to our customers.
IPv6 is the next generation Internet Protocol, primarily with longer IP addresses (128 bit vs 32 bit for IPv4) to overcome the pending shortage of IPv4 addresses.
IPv6 allows us have enough addresses for quite some time (about 340 x 1036)
Put it in analogy that IPv4 is like the grains in a sandbox. IPv6 is like grains of sand on all the beaches all over the world. Therefore, IPv6 offers much needed benefits than an IPv4 can offer.