# Document history
Adds support in new AWS Region[AWS Region availability for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html)

Support in the following AWS Region has been added for Global Accelerator: Canada West (Calgary).Adds new Amazon CloudWatch metrics[Using Amazon CloudWatch with AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/cloudwatch-monitoring.html)

Global Accelerator now supports five additional CloudWatch metrics that you can use to more easily detect issues with your accelerator endpoints.Adds cross-account support for BYOIP[Working with cross-account attachments and resources in AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/cross-account-resources.html)

Global Accelerator now supports using bring your own IP (BYOIP) addresses across AWS accounts.Adds support for dual-stack for Network Load Balancers[Endpoint requirements for accelerators in AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoints-caveats.html)

Global Accelerator now supports adding dual-stack Network Load Balancers to standard accelerators.Adds support for cross-account resources[Working with cross-account attachments and endpoints in AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/cross-account-resources.html)

Global Accelerator now supports adding cross-account resources to accelerators. To add permissions for a cross-account resource, you create a cross-account attachment in Global Accelerator.Now supports four new AWS Regions[AWS Region availability for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html)

Support for the following AWS Regions has been added for Global Accelerator: Asia Pacific (Melbourne), Europe (Spain), Europe (Zurich), and Israel (Tel Aviv).Updates service linked role[Service-linked role for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/using-service-linked-roles.html)

Adds a new permission, `elasticloadbalancing:DescribeTargetGroups`, to the service. Global Accelerator uses the permission to identify load balancers with target type `ip`, which is not a supported target type for dual-stack load balancer endpoints in Global Accelerator.Adds support for client IP address preservation for Network Load Balancers[Adding or updating endpoints with client IP address preservation](https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoints.sipp.html)

Global Accelerator now supports enabling client IP address preservation for Network Load Balancers with security groups.Adds IPv6 support for EC2 instances[Endpoints for standard accelerators in AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoints.html)

Global Accelerator now supports adding Amazon EC2 instances to dual-stack accelerators, to enable both IPv4 and IPv6 traffic to EC2 endpoints.Added a new Region[AWS Region availability for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html)

Global Accelerator now supports Asia Pacific (Jakarta).Added two new Regions[AWS Region availability for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html)

Global Accelerator now supports Asia Pacific (Hyderabad) and Middle East (UAE).Updated service linked role[Service-linked role for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/using-service-linked-roles.html)

Added new permissions, `elasticloadbalancing:DescribeListeners` and `ec2:DescribeAddresses`, to the service linked role for Global Accelerator, to support making listener management decisions for load balancers, based on listener configurations, and to allow adding Elastic IP address endpoints to accelerators.Adds custom routing accelerator quotas[Quotas for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/limits-global-accelerator.html)

Global Accelerator now includes custom routing accelerator quotas. Global Accelerator also has quotas for standard accelerators. Updates the IAM guidance in the guide

Updated guide to align with the IAM best practices. For more information, see [Security best practices in IAM](https://docs.aws.amazon.com//IAM/latest/UserGuide/best-practices.html).Updates for `AddEndpoints` and `RemoveEndpoints`[Common actions that you can use with AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/global-accelerator-actions.html)

Global Accelerator now supports adding and removing endpoints separately from using the `UpdateEndpointGroup` API operation, by using the new `AddEndpoints` and `RemoveEndpoints` API operations.Updates for dual-stack accelerators[What is AWS Global Accelerator?](https://docs.aws.amazon.com/global-accelerator/latest/dg/what-is-global-accelerator.html)

Global Accelerator now supports dual-stack accelerators. For IPv4, Global Accelerator provides two static IPv4 addresses. For dual-stack, Global Accelerator provides a total of four addresses: two static IPv4 addresses and two static IPv6 addresses.Update to the Global Accelerator existing service-linked role[ Global Accelerator updates to AWS managed policies ](https://docs.aws.amazon.com/global-accelerator/latest/dg/security-iam-awsmanpol-aga.html#security-iam-awsmanpol-globalaccelerator-updates)

Global Accelerator added new permissions, `ec2:AssignIpv6Addresses` and `ec2:UnassignIpv6Addresses`, to support IPv6 addresses.Added new CloudWatch metrics[https://docs.aws.amazon.com/global-accelerator/latest/dg/cloudwatch-monitoring.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/cloudwatch-monitoring.html)

Global Accelerator has added two new CloudWatch metrics.Updated to the flow logs capture window[https://docs.aws.amazon.com/global-accelerator/latest/dg/monitoring-global-accelerator.flow-logs.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/monitoring-global-accelerator.flow-logs.html)

Global Accelerator has expanded the flow log capture window from 10 seconds to 60 seconds.Updated to the Global Accelerator existing service-linked role[https://docs.aws.amazon.com/global-accelerator/latest/dg/security-iam-awsmanpol-updates.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/security-iam-awsmanpol-updates.html)

Global Accelerator added a new permission, `ec2:DescribeRegions`, to allow Global Accelerator to get AWS Region information to help diagnose errors.Added custom routing accelerators[https://docs.aws.amazon.com/global-accelerator/latest/dg/work-with-custom-routing-accelerators.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/work-with-custom-routing-accelerators.html)

Global Accelerator introduced a new type of accelerator custom routing accelerators. Custom routing accelerators work well for scenarios where you want to use custom application logic to direct one or more users to a specific destination and port among many, while still gaining the performance benefits of Global Accelerator.Added port overrides support[https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoint-groups-port-override.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoint-groups-port-override.html)

Global Accelerator now supports overriding the listener port used for routing traffic to endpoints so you can reroute traffic to specific ports on your endpoints.Added two new Regions[https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html)

Global Accelerator now supports Africa (Cape Town) and Europe (Milan).Added tagging[https://docs.aws.amazon.com/global-accelerator/latest/dg/tagging-in-global-accelerator.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/tagging-in-global-accelerator.html)

Added support for adding tags to accelerators.Added BYOIP[https://docs.aws.amazon.com/global-accelerator/latest/dg/using-byoip.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/using-byoip.html)

Added support for bringing your own IP address to AWS Global Accelerator (BYOIP).Updated Security chapter[https://docs.aws.amazon.com/global-accelerator/latest/dg/security.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/security.html)

Added content for compliance, resilience, and infrastructure security.Support for EC2 instances and default DNS name[https://docs.aws.amazon.com/global-accelerator/latest/dg/introduction-how-it-works-client-ip.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/introduction-how-it-works-client-ip.html)

AWS Global Accelerator now supports adding EC2 instances in supported AWS Regions. In addition, Global Accelerator creates a default DNS name that is mapped to the static IP addresses for your accelerator.Client IP address preservation for Application Load Balancers[https://docs.aws.amazon.com/global-accelerator/latest/dg/introduction-how-it-works-client-ip.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/introduction-how-it-works-client-ip.html)

You can now choose to have AWS Global Accelerator preserve the client IP address for Application Load Balancers in supported AWS Regions.Release of AWS Global Accelerator service[https://docs.aws.amazon.com/global-accelerator/latest/dg/what-is-global-accelerator.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/what-is-global-accelerator.html)

The AWS Global Accelerator Developer Guide provides information about setting up and using accelerators—network layer traffic managers—that improve availability and performance for your internet applications that have a global audience.

The following entries describe important changes made to the AWS Global Accelerator documentation.
+ **API version: latest**
+ **Latest documentation update: **April 17, 2024


****  

| Change | Description | Date | 
| --- | --- | --- | 
| Adds support in new AWS Region | Support in the following AWS Region has been added for Global Accelerator: Canada West (Calgary). For more information, see [AWS Region availability for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html). | April 17, 2024 | 
| Adds new Amazon CloudWatch metrics | Global Accelerator now supports five additional CloudWatch metrics that you can use to more easily detect issues with your accelerator endpoints. For more information, see [Using Amazon CloudWatch with AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/cloudwatch-monitoring.html). | March 27, 2024 | 
| Adds cross-account support for BYOIP | Global Accelerator now supports using bring your own IP (BYOIP) addresses across AWS accounts. For more information, see [Working with cross-account attachments and resources in AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/cross-account-resources.html). | March 25, 2024 | 
| Adds support for dual-stack for Network Load Balancers | Global Accelerator now supports adding dual-stack Network Load Balancers to standard accelerators. For more information, see [Endpoint requirements for accelerators in AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoints-caveats.html). | November 2, 2023 | 
| Adds support for cross-account resources | Global Accelerator now supports adding cross-account resources to accelerators. To add permissions for a cross-account resource, you create a cross-account attachment in Global Accelerator. For more information, see [Working with cross-account attachments and endpoints in AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/cross-account-resources.html). | November 1, 2023 | 
| Adds support in four AWS Regions | Support in the following AWS Regions has been added for Global Accelerator: Asia Pacific (Melbourne), Europe (Spain), Europe (Zurich), and Israel (Tel Aviv). For more information, see [AWS Region availability for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html). | September 26, 2023 | 
| Updates service linked role | Adds a new permission, elasticloadbalancing:DescribeTargetGroups, to the service. Global Accelerator uses the permission to identify load balancers with target type ip, which is not a supported target type for dual-stack load balancer endpoints in Global Accelerator. For more information, see [ Service-linked role for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/using-service-linked-roles.html). | September 12, 2023 | 
| Adds support for client IP address preservation for Network Load Balancers | Global Accelerator now supports enabling client IP address preservation for Network Load Balancers with security groups. For more information, see [ Adding or updating endpoints with client IP address preservation](https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoints.sipp.html). | August 22, 2023 | 
| Adds IPv6 support for EC2 instances | Global Accelerator now supports adding Amazon EC2 instances to dual-stack accelerators, to enable both IPv4 and IPv6 traffic to EC2 endpoints. For a full list of supported endpoint types and more information, see [ Endpoints for standard accelerators in AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoints.html). | August 8, 2023 | 
| Added a new Region | Global Accelerator now supports Asia Pacific (Jakarta). For a full list of supported Regions, see [AWS Region availability for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html). | June 15, 2023 | 
| Added two new Regions | Global Accelerator now supports Asia Pacific (Hyderabad) and Middle East (UAE). For a full list of supported Regions, see [AWS Region availability for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html). | May 23, 2023 | 
| Updates service linked role | Adds new permissions, elasticloadbalancing:DescribeListeners and ec2:DescribeAddresses, to the service linked role for Global Accelerator, to support making listener management decisions for load balancers, based on listener configurations, and to add Elastic IP address endpoints to accelerators. For more information, see [Service-linked role for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/using-service-linked-roles.html). | May 23, 2023 | 
| Adds custom routing accelerator quotas | Adds custom routing accelerator quotas. Global Accelerator also has quotas for standard accelerators. For more information, see [Quotas for AWS Global Accelerator](https://docs.aws.amazon.com/global-accelerator/latest/dg/limits-global-accelerator.html). | February 13, 2023 | 
| Updates the IAM guidance in the guide | Updated guide to align with the IAM best practices. For more information, see [Security best practices in IAM](https://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html). | February 10, 2023 | 
| Updates for AddEndpoints and RemoveEndpoints | Global Accelerator now supports adding and removing endpoints separately from using the UpdateEndpointGroup API operation, by using the new AddEndpoints and RemoveEndpoints API operations. For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/global-accelerator-actions.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/global-accelerator-actions.html). | October 20, 2022 | 
| Updates for dual-stack accelerators | Global Accelerator now supports dual-stack accelerators. For IPv4, Global Accelerator provides two static IPv4 addresses. For dual-stack, Global Accelerator provides a total of four addresses: two static IPv4 addresses and two static IPv6 addresses. For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/what-is-global-accelerator.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/what-is-global-accelerator.html). | July 27, 2022 | 
| Update to the Global Accelerator existing service-linked role | Global Accelerator added new permissions, ec2:AssignIpv6Addresses and ec2:UnassignIpv6Addresses, to support IPv6 addresses. For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/security-iam-awsmanpol-updates.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/security-iam-awsmanpol-updates.html). | November 2, 2021 | 
| Added new CloudWatch metrics | Global Accelerator has added two new CloudWatch metrics. For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/cloudwatch-monitoring.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/cloudwatch-monitoring.html). | October 28, 2021 | 
| Update to the flow logs capture window | Global Accelerator has expanded the flow log capture window from 10 seconds to 60 seconds. For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/monitoring-global-accelerator.flow-logs.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/monitoring-global-accelerator.flow-logs.html). | July 30, 2021 | 
| Update to the Global Accelerator existing service-linked role | Global Accelerator added a new permission, ec2:DescribeRegions, to allow Global Accelerator to get AWS Region information to help diagnose errors. For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/security-iam-awsmanpol-updates.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/security-iam-awsmanpol-updates.html). | May 7, 2021 | 
| Added custom routing accelerators | Global Accelerator introduced a new type of accelerator custom routing accelerators. Custom routing accelerators work well for scenarios where you want to use custom application logic to direct one or more users to a specific destination and port among many, while still gaining the performance benefits of Global Accelerator. For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/work-with-custom-routing-accelerators.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/work-with-custom-routing-accelerators.html). | December 9, 2020 | 
| Added port overrides support | Global Accelerator now supports overriding the listener port used for routing traffic to endpoints so you can reroute traffic to specific ports on your endpoints. For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoint-groups-port-override.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoint-groups-port-override.html). | October 21, 2020 | 
| Added two new Regions | Global Accelerator now supports Africa (Cape Town) and Europe (Milan). For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/preserve-client-ip-address.regions.html). | May 20, 2020 | 
| Tagging and BYOIP | This release adds support for adding tags to accelerators and bringing your own IP address to AWS Global Accelerator (BYOIP). For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/tagging-in-global-accelerator.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/tagging-in-global-accelerator.html) and [https://docs.aws.amazon.com/global-accelerator/latest/dg/using-byoip.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/using-byoip.html). | February 27, 2020 | 
| Updated Security chapter | Added content for compliance, resilience, and infrastructure security. For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/security.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/security.html). | December 20, 2019 | 
| Support for EC2 instances and default DNS name | AWS Global Accelerator now supports adding EC2 instances in supported AWS Regions. In addition, Global Accelerator creates a default DNS name that is mapped to the static IP addresses for your accelerator. For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/introduction-how-it-works-client-ip.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/introduction-how-it-works-client-ip.html) and [https://docs.aws.amazon.com/global-accelerator/latest/dg/about-accelerators.html#about-accelerators.dns-addressing](https://docs.aws.amazon.com/global-accelerator/latest/dg/about-accelerators.html#about-accelerators.dns-addressing). | October 29, 2019 | 
| Client IP address preservation for Application Load Balancers | You can now choose to have AWS Global Accelerator preserve the client IP address for Application Load Balancers in supported AWS Regions. For more information, see [https://docs.aws.amazon.com/global-accelerator/latest/dg/introduction-how-it-works-client-ip.html](https://docs.aws.amazon.com/global-accelerator/latest/dg/introduction-how-it-works-client-ip.html). | August 28, 2019 | 
| Release of AWS Global Accelerator service | The AWS Global Accelerator Developer Guide provides information about setting up and using accelerators—network layer traffic managers—that improve availability and performance for your internet applications that have a global audience. | November 26, 2018 |