IPv6 lacks backwards compatibility with IPv4, developers admit

The Internet engineering community says its biggest mistake in developing IPv6 is that it lacks backwards compatibility with the existing Internet Protocol, known as IPv4. At a panel discussion, leaders of the Internet Engineering Task Force (IETF) admitted that they didn’t do a good enough job making sure native IPv6 devices and networks would be able […]

The Internet engineering community says its biggest mistake in developing IPv6 is that it lacks backwards compatibility with the existing Internet Protocol, known as IPv4. At a panel discussion, leaders of the Internet Engineering Task Force (IETF) admitted that they didn’t do a good enough job making sure native IPv6 devices and networks would be able to communicate with their IPv4-only counterparts when they designed the industry standard 13 years ago.

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