Geoff Long, 1-May-2004

The migration from IPv4 to IPv6 is ready for the implementation phase. That was the view at the second Asia-Pacific IPv6 Summit held in Malaysia earlier this year, where many of the key speakers talked of the push for IPv6 business applications and plans to move out of trials and into commercial IPv6 services.

However, a number of lingering issues remain. One of the most cited is whether there is actually a need to move from the 32-bit addressing scheme to a 128-bit addressing scheme, given that more efficient use of the address space will mean address scarcity-one of the original reasons for the new protocol-might not be an issue for 15-20 years, according to some estimates.

Other sticking points include whether there were enough compelling IPv6 applications to make the migration worthwhile, and whether network builders were ready for the new protocol and its implications on areas such as security.


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