hree methods allow IPv6 and IPv4 to co-exist. Match each method with its description. (Not all options are used.)The IPv4 packets and IPv6 packets coexist in the same network. The IPv6 packet is transported inside an IPv4 packet. IPv6 packets are converted into IPv4 packets, and vice versa.
Tunneling, Dual IP stack,Protocol translation or NAT64
1. Tunneling: The IPv6 packet is transported inside an IPv4 packet. This is achieved by encapsulating the entire IPv6 packet within an IPv4 packet using techniques like IP-in-IP tunneling or Generic Routing Encapsulation (GRE). The IPv4 network acts as a “tunnel” for carrying the IPv6 traffic, allowing both protocols to coexist.
2. Dual IP stack: In this method, both IPv4 and IPv6 protocols are implemented and run independently on the same device. The device has separate network stacks for IPv4 and IPv6, which allows for the simultaneous use of both protocols. Each protocol is responsible for its own packet processing and routing.
3. Protocol translation or NAT64: IPv6 packets are converted into IPv4 packets, and vice versa. This technique is used when there is a need to communicate between an IPv6-only network and an IPv4-only network. NAT64 (Network Address Translation 64) translates IPv6 packets to IPv4 packets, and vice versa, allowing for communication between the two networks.
Note: The option “The IPv4 packets and IPv6 packets coexist in the same network” is not matched with a method because it is more of a general statement that applies to the overall coexistence of IPv4 and IPv6 on the same network without specific implementation details.
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