What Benefit Does Nat64 Provide?

What benefit does NAT64 provide?

• The sites have a permit from NAT64 by using the IPv6 address and translating it to the global IPv6 address.
• The site can connect through multiple IPv4 hosts of the internet with the help of only one IPv4 address which is public.
• The site can connect the IPv6 host with the IPv4 network by transforming the IPv6 addresses to IPv4 addresses with the help of NAT64.
• The sites have the permission to use the private IPv4 addresses and also hide the architecture of addressing from a host on the public IPv4 network.

Answer: NAT64 is the strategy for IPv6 which permits the site to connect the IPv6 host with the IPv4 network by transforming the IPv6 addresses to IPv4 addresses before the frames are sent on the IPv4 network.

What is NAT64?

NAT64 is the temporary strategic process that is defined to translate the IPv6 toIPv4 network address and make them ready for communication among them. This method also helps in the IPv6 migration and IPv4 exhaustion. However, NAT64 is the most common method because it helps in the translation of various use cases.

The benefits of the NAT64 are defined below:

• It is effective for smooth IPv6 migration and does not affect the quality of the internet for only IPv6 users.
• The services are only given to the IPv6 and do not affect the network of IPv4.

Types of the NAT64:

NAT64 types are discussed in the following section:

Stateless NAT64:

Stateless NAT64 is responsible to map the translation between IPv6 to IPv4 address and vice versa. The communication can begin from either IPv6 or IPv4.the binding during the translation is not formed or modified in this technique.

Stateful NAT64:

The stateful NAT64 can translate the IPv6 to IPv4 address and vice versa. During performing the translation, the binding is modified by it. The communication begins from either IPv4 or IPv6 with the help of static mapping.

Working of the NAT64:

Let’s explain the working with the help of example take an IPv6-only network try to access the web services on the IPv4-only server. From the IPv6-only client to IPv4 servers the DNS64 gives the extension for NAT. both NAT64 and DNS64 work together to make communication possible between IPv6-only clients to IPv4-only servers.

The NAT64 might have the gateway along with two interfaces one is connected with IPv6 and the other with IPv4 networks. The gateway work is to route the traffic of IPv6 which operates the translation and transfer the frames to the IPv4 network and vice versa. The translation is not smooth among them because the IPv6 address space is much greater than IPv4, and one-to-one mapping is not fit. That’s why the gateway has to manage the IPv6-to-IP4 mapping which forms through stateless NAT64 first frames through the gateway came at IPv4 network.

Steps during the translation of IPv6 to IPv4 addresses are:

1. The client of IPV6 searches the queries to the DNS64 server for AAAA record which is the IPv6 address based on some site URL.
2. DNS64 servers make the IPv6 address based on the first 96-bits of the NAT65 device IPv6 address, and also on the 32 bits of the IPv4 address of the site server.