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Table of contents
1.
Introduction
2.
AWS Global Accelerator features
2.1.
Static anycast IP addresses
2.2.
Global performance-based routing
2.3.
Fault tolerance using network zones
2.4.
TCP Termination at the Edge
2.5.
Bring your own IP (BYOIP)
2.6.
Fine-grained traffic control
2.7.
Continuous availability monitoring
2.8.
Distributed denial of service
2.9.
Client affinity
2.10.
Custom routing accelerator
2.11.
Multi-Region Storage
3.
Benefits of AWS Global Accelerator
4.
Frequently asked questions
4.1.
What are the components of AWS Global Accelerator?
4.2.
Is AWS Global Accelerator a load balancer?
4.3.
What is the Global Accelerator network?
4.4.
What is an accelerator investment?
4.5.
Can you use CloudFront with Global Accelerator?
5.
Conclusion
Last Updated: Mar 27, 2024
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AWS Global Accelerator

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Introduction

In this blog, we will learn about the AWS Global Accelerator, which is basically a networking service that enhances the productivity of your users’ traffic with the help of Amazon Web Services’ global network infrastructure. During the congestion, AWS Global Accelerator optimizes the path to your application to keep packet loss,  latency, and jitter consistently low. It uses the extensive, congestion-free AWS global network to route TCP and UDP traffic to an appropriate application endpoint in the closest AWS Region to the user. If there’s an application failure, AWS Global Accelerator provides instant failover to the following best endpoint.

Source: https://cloudonaut.io/images/2019/11/global-accelerator.png
 

Let’s understand the AWS global accelerator features.

AWS Global Accelerator features

Features of Global Accelerator features are as follows:

Static anycast IP addresses

Static IP addresses provided by AWS Global Accelerator serve as a fixed entry point for your applications deployed across various AWS Regions. These IP addresses are declared concurrently from several AWS edge sites since they are anycast from AWS edge locations. It allows traffic to enter AWS's global network as near your consumers as possible. These addresses can be assigned to regional AWS resources or endpoints, including Network Load Balancers, Application Load Balancers, Elastic IP addresses, and EC2 instances.

Global performance-based routing

AWS Global Accelerator routes UDP and TCP traffic to a healthy application endpoint in the user's nearest AWS Region using the massive, congestion-free AWS global network. In the event of a failure, AWS Global Accelerator automatically switches to the following best endpoint.

Fault tolerance using network zones

Using the extensive, congestion-free AWS global network, AWS Global Accelerator sends UDP and TCP traffic to a healthy application endpoint in the user's nearest AWS Region. AWS Global Accelerator immediately changes to the following best endpoint in the case of a failure.

TCP Termination at the Edge

Typically, a TCP connection is established between the application endpoint in the AWS Region and the client on the internet via a three-way handshake. By forging a TCP connection between the client and the AWS Global Accelerator, the client's initial setup time with TCP termination at the Edge is reduced.

Bring your own IP (BYOIP)

AWS Global Accelerator allows you to bring your own IP addresses (BYOIP) and utilize them as a fixed entry point for your application endpoints. You may pick which one/32 IP addresses to use while creating your accelerator by employing two/24 IPv4 address ranges.

Fine-grained traffic control

With AWS Global Accelerator, you can use traffic dials to direct traffic to a specified AWS region. You may assign a traffic dial to each endpoint group to regulate the percentage of traffic sent to that Region.

Continuous availability monitoring

Using HTTPS, HTTP, and TCP health checks, AWS Global Accelerator continuously analyses the health of your application endpoints. It reacts quickly to changes in your endpoint's health settings, redirecting user traffic to the most appropriate healthy endpoints for optimum performance and availability.

Distributed denial of service

It is secured by AWS Shield Standard, which uses always-on network flow monitoring and automatic in-line mitigation to reduce latency from denial of service assaults and application outages.

Client affinity

AWS Global Accelerator allows you to create apps that need state management. You may send all requests from a user to the same endpoint, regardless of port or protocol, for stateful applications where you need to route users to the same endpoint regularly.

Custom routing accelerator

Custom routing accelerators enable you to leverage your application logic to direct user traffic to a specific Amazon EC2 instance destination across several or a single AWS Region. You obtain all of the performance advantages using Global Accelerator since the traffic is routed through the AWS global network. A custom routing accelerator may be used to deliver many users to a single port on your accelerator. The accelerator maps each port on your accelerator to a specific destination, an EC2 instance private IP address, and port to route your traffic. This mapping allows integrating Global Accelerator with your application logic more easily.

Multi-Region Storage

To take advantage of Global Accelerator for your object storage workload, you can use S3 Multi-Region Access Points. S3 Multi-Region Access Points transparently run Global Accelerator to provide a single global gateway for data sets replicated across several AWS Regions. S3 Multi-Region Access Points dynamically route your requests over the AWS network to the lowest latency copy of your data depending on AWS Global Accelerator parameters including the location of the requesting application and network congestion.

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Benefits of AWS Global Accelerator

The benefits of AWS Global Accelerator are as follows:-

Simplified global traffic management

With the application growth, the number of endpoints and IP addresses you need to operate increases rapidly and becomes oppressive. As you remove endpoints or update your application, you risk lowering the availability of your application due to hardcoded devices, firewalls, and allow-lists not having the latest information. 

Accelerate latency-sensitive applications

Your network latency is controlled by the number of networks your user data is required to digest and the bandwidth available with the path to your AWS application endpoints. These network variables create ways for internet congestion to delay connections and lose data.

Protect your applications

Reveling your application built on AWS, with the services such as EC2 instances or Application Load Balancers to public internet traffic creates an opportunity for malicious attack. AWS Global accelerator reduces the risk of attack by masking your application behind two static entry points

Improve resiliency and availability

It would help if you built your architecture with availability in mind. It can mean running your application in a single AWS Region across multiple Availability Zones or AWS Regions. 

Since you get some idea of the AWS Global Accelerator, We will now close the article with faqs.

Frequently asked questions

What are the components of AWS Global Accelerator?

Endpoints for standard accelerators can be Network Load Balancers, Application Load Balancers, EC2 instances, or Elastic IP addresses. An Application Load Balancer endpoint can be internet-facing or internal.

Is AWS Global Accelerator a load balancer?

AWS Global Accelerator relies on ELB to provide the traditional load balancing features such as support for internal and non-AWS endpoints, pre-warming, and Layer 7 routing. However, while ELB provides load balancing within one Region, AWS Global Accelerator provides traffic management across multiple Regions.

What is the Global Accelerator network?

Global Accelerator Network, LLC is an invite-only organization of short-term, mentorship-driven with terms-favourable-to-entrepreneurs accelerators. It provides startups with the resources required to create and grow businesses wherever they are.

What is an accelerator investment?

Generally speaking, an accelerator is a fixed-term program that lasts three to twelve months. It provides education, mentoring, and networking, often with investment. It is distinct from other forms of investment and incubation, such as angel investing, grants, or incubators.

Can you use CloudFront with Global Accelerator?

Please check Global Accelerator FAQs for how Global Accelerator is different from CloudFront. I use Global Accelerator to route traffic across regions to mitigate endpoint failures. You cannot achieve this using CloudFront alone. The Global Accelerator FAQs no longer mention Cloudfront.

Conclusion

In this article, we have extensively discussed AWS Global Accelerator. We discussed the features and benefits of AWS Global Accelerator.

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