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AWS Introduces Optional IPv6-Only Networks

The company claims that AVS users can now only create IPv6 Virtual Private Cloud (VPC) networks, a “significant step” in enabling IPv6 in its cloud. Dual network stack systems (which support IPv4 and IPv6 addresses) are common, but IPv6 is less common. The new feature allows administrators to create a subnet for IPv6 only within a dual-stack VPC.

One limitation is that an EC2 (Elastic Compute Cloud) institution running on an IP V6 subnet must be built on Nitro, a customized hypervisor and network card that provides performance and security benefits. According to AVS, each subnet has a /64 CIDR (Classless Inter-Domain Routing) range and provides “approximately 10 trillion IP addresses for applications”.

In an exclusive post, solutions architect Rohit Aswani and senior product manager Aditiya Santhanam said the option was “ideal if you have workloads such as server-free applications and container applications, which consume many IP addresses.”

AVS has enabled its Local Instance Metadata Services (IMDs), Time Synchronization, and VPC DNS servers to access IPv6 addresses. Currently, some operations can only be performed using the AVS API or CLI (Command Line Interface), and not from a web-based console. IMDS provides the ability to download or configure data on EC2 VMs, which is an important part of the AVS infrastructure.

To make them easier to remember, all locales, such as services, have a ULA (Unique Local IPv6 Unicast Address) prefix FD00:EC2. For example, the time since service is located at FD00:EC2::123.

According to security group rules, only IPv6 interfaces can normally be exposed to the public Internet. However, a problem occurs when the clients are on an IPv4 network. Aswani and Santhanam point out, “if the end-user is on a corporate network that does not support the IPv6 address space, the address.” The user can then enter the IPv6 instance from that dual-stack instance.

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The same logic would apply to other applications that need to be accessed over IPv4, but only for IPv6 to call subnet services. Common access for the core is IPv6 and IPv4 for public access. A full explanation of IPv6-only subnet settings in AVS VPC can be found here. AVS is ahead of Microsoft and Google in its IPv6-only capability. Azure and GCP support dual digital virtual networks but do not match what AVS offers.

It may seem that an IPv6-only subnet is cumbersome and of no use to administrators. This incentivizes developers and hardware vendors to ensure that applications work properly in IPv6 and can accelerate their adoption.

Another benefit is eliminating the risk of IP address collisions; For example, when a VPN connects two local area networks, both use the same range of IPv4 addresses. When was IPv4 inherited, and will IPv6 become the norm? It seems that this moment is always five to ten years away.

This week, Amazon Web Services (AWS) launched the option to create a special IPv6 subnet in Amazon Virtual Private Clouds. While IPv4 is still around for a while, it is a big step forward for the future.

AWS says the new settings include about 18 quintillion IP addresses for the application. Architect Solutions Rohit Aswani and Aditya Santhanam said this was good for server-free applications and containers that consume large amounts of IP addresses.

Amazon has enabled access to Local MATADATA Instance (IMDS) services, sync time, and VPC DNS servers with IPv6 addresses. For the time being, clients could only access the API or command line and not from a web-based console.

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Outpacing the Competition:

All major cloud providers, including the Big Three (AWS, Microsoft Azure, and Google Cloud), support a dual network stack that allows IPv4 and IPv6 addresses. AWS is now the only one that allows IPv6 for particular networks.

Architect Solutions says that users will now be able to meet the requirements set by the US federal government. Requirements for the adoption of special networks IPv6. This provides an advantage to AWS customers and excels at the competition. Customers need to build it into the AWS Nitro system to use this network.

As The Register noted, this capability encourages getting the right applications for IPv6, which can accelerate adoption, something that’s in the works for the world. Another advantage is the elimination of IPv4-related IPv4 conflicts with VPN services. The question is whether AWS will continue its game to remain in a competitive competition.

AWS customers can now create an IPv6-virtual private cloud (VPC) network, which the company claims is an “important step” in enabling IPv6 in its cloud.

Dual-network stack systems (IPv4 and IPv6 support) are common, but only IPv6 is less common. This new feature allows the administrator to create a subnet with double piles in the VPC.

The limitation is that the EC2 (Elastic Compute Cloud) launched over IP-V6 should only have NITRO, a network card built with special HyperCheer, and performance benefits and security.

According to AWS, each subnet has an A /64 CIDR (Routing Inter-Domain Without Class) range, which provides “approximately 10 quintillions of IP addresses for applications”.

In a separate post, Aditya Santhanam, architect and senior excise manager at Rohit Aswani, said their capability is “ideal if you have tasks such as server-free and container applications that consume large amounts of IP addresses.”

AWS enables access to MATADATA Service Instances (IMDS), Time Synchronization Time, and VPC DNS servers with IPv6 addresses. Currently, some operations can only be performed with Fire or the CLI (Command Line Interface), and not from a web-based console. IMDS provides the ability to restore or configure data about an EC2 VM, which is an important part of the AWS infrastructure.

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Make it a little easier for all residents to remember, for example, services, ULA (Unique Address Unique IPv6 Unicast) FD00 Prefix: EC2. For example, FD00 Time Sync Service: EC2::123.

Special IPv6 interfaces can be connected to the public Internet in the usual way under the rules of security groups. However, the problem is what happens if the client is in an IPv4 network.

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