This is not possible, each one is independent.

However, it is possible to perform routing between IPv4 and IPv6, with a process known as “dual stack” or transition techniques.

These techniques are necessary because IPv4 and IPv6 are directly incompatible, that is, they cannot communicate with each other without some type of intervention or adaptation.

Below we describe some of the most common strategies to facilitate communication between the two versions of IP:

Dual Stack

The “Dual Stack” technique implies that devices and servers are configured to operate with both protocol stacks, IPv4 and IPv6, simultaneously. This is the most direct way to handle the transition, as it allows the device or service to be accessible through both IP addresses. However, it requires that the device or service have access to both IPv4 and IPv6 addresses.

Tunnels

Tunneling is a technique used to transport IPv6 traffic over an existing IPv4 network infrastructure, or vice versa. This is done by encapsulating IPv6 packets within IPv4 packets for transmission. There are several tunneling methods, such as 6to4, Teredo, and ISATAP, each with their own applications and usage considerations.

Network Address Translation (NAT)

Network Address Translation for Internet Protocol version 6 (NAT64) allows communication between IPv6 and IPv4 networks. It works by translating IPv6 addresses to IPv4 addresses and vice versa. This is especially useful for allowing devices on an IPv6 network to access content and services that are only available over IPv4.

Considerations

The choice of transition strategy depends on several factors, such as existing network infrastructure, communication requirements, and available resources. Although the long-term goal is universal adoption of IPv6, these transition techniques are essential to maintain communication between the two versions of the Internet Protocol during the transition period.

Conclusion

The transition from IPv4 to IPv6 is a complex process that involves not only updating infrastructure but also implementing strategies that allow coexistence and routing between the two versions.

As we move towards broader adoption of IPv6, these transition techniques are likely to play a crucial role in ensuring a smooth migration and continuity of online communications.