AWS Global Accelerator

Amazon Cloud Concepts Learning --> Day12

AWS Global Accelerator

• AWS Global Accelerator is a networking service that improves performance and availability of your applications for local and global users.

• Global Accelerator offers two global static public IPs that serve as fixed entry point to your application endpoints such as Application Load Balances, Network Load Balancers, EC2 instances and elastic IPs.

• Global Accelerator increases application availability by constantly monitoring the health of your application endpoints and routing traffic to the nearest healthy endpoints.

• Global Accelerator is a global service that supports endpoints in multiple AWS Regions*

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AWS Global Accelerator Components

Static IP Addresses

• By default, Global Accelerator provides you with Static IP Addresses that you link with your accelerator.

• These IP Addresses are anycast from the AWS edge network.

• For IPv4 --> 2 static IP address.

• Dual Stack --> 2 static IPv4 addresses + 2 Static IPv6 addresses.

Accelerator

• To enhance the performance of your online apps, an accelerator routes traffic to endpoints over the worldwide network of AWS global network.

• Each accelerator includes one or more listeners.

• There are two types of accelerators

  1. Standard Accelerator

• This type of accelerator routes traffic to the best AWS endpoint according to several factors such as endpoint’s health, user’s location, and the endpoint weights that you set.

• Your apps' performance and availability both increase as a result.

• Elastic IP addresses, Amazon EC2 instances, Network Load Balancers, and Application Load Balancers are examples of endpoints.

• Based on endpoint health and geo-proximity it routes client traffic across regional endpoints.

  2. Custom Accelerator

• Custom routing accelerators are useful in situations when you want to retain the performance advantages of Global Accelerator but apply custom application logic to route one or more users to a particular destination and port among many.

• Online real-time gaming apps, where you may use variables like player skill, game mode, and location to assign several players to a single session on a game server.

DNS Name

Global Accelerator assigns each accelerator a default DNS name such as a1234567890abcdef.awsglobalaccelerator.com that points to static IP address.

Network Zone

A network zone is an isolated unit with its own set of physical infrastructure.

Listener

A listener processes inbound connections from clients to Global Accelerator based on port and protocol that you configure.

Endpoint Group

Each endpoint group is associated with a specific AWS Region. Endpoint groups include one or more endpoints in the Region.

Endpoint

An endpoint is the resource that global accelerator direct traffics to.

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Limitations

Below mentioned tables includes some basic limitation

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References

https://aws.amazon.com/global-accelerator/faqs/

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