Reasons for Supporting IPv6 Continue to Pile Up

Network and Web site operators are coming under increasing pressure to support IPv6 — the long-anticipated upgrade to the Internet’s main communications protocol — as more market indicators point to the rapid depletion of addresses for IPv4. The Number Resource Organisation (NRO announced on Tuesday that only 8% of IPv4 addresses remain unallocated. The NRO consists of the five Regional Internet Registries, which dole out blocks of IPv4 and IPv6 address space to carriers