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(Last Updated On: July 9, 2018)

Amazon Web Services (AWS) is a global public cloud provider. Amazon Web Services (AWS) is a secure cloud services platform, offering compute power, database storage, content delivery and other functionality to help businesses scale and grow.

AWS Global Infrastructure

The AWS Cloud operates 55 Availability Zones within 18 geographic Regions around the world. There are many more Edge Location than regions. Currently there are over 100 Edge Locations.

AWS Regions

Regions are geographical.

An Amazon AWS region is a physical location spread across globe to host your data to reduce latency. In each region there will be at least two availability zones for fault tolerance.

Choose a region to optimize latency, minimize costs or address regulatory requirement.

Now 18 regions around the world. All services are not available in each region.

Americas Europe, Middle East and Africa (EMEA)/European Union(EU): ASIA Pacific
US East (N. Virginia) – us-east-1 EU (Ireland) – eu-west-1 Asia Pacific (Singapore) – ap-southeast-1
US East (Ohio) – us-east-2 EU (Frankfurt) – eu-central-1 Asia Pacific (Sydney) – ap-southeast-2
US West (N. California) – us-west-1 EU (London) – eu-west-2 Asia Pacific (Seoul) – ap-northeast-2
US West (Oregon) – us-west-2 EU (Paris) – eu-west-3 Asia Pacific (Tokyo) – ap-northeast-1
Canada (Central) – ca-central-1   Asia Pacific (Mumbai) – ap-south-1
South America (São Paulo) – sa-east-1   China (Beijing)*
Montreal    
GovCloud    

 

China (Beijing)*  – The China (Beijing) Region is the first AWS Region located within China. AWS has partnered with Beijing Sinnet Technology Co., Ltd.(“Sinnet”) who is the service operator and provider for AWS China (Beijing) Region based out of Beijing and adjacent areas using AWS cloud technologies required to support AWS information technology services in China.

Availability Zones (AZs):

Availability Zones are data centers. Each region contains two or more AZs.

Each region has multiple, isolated locations known as Availability Zones. When you launch an instance, you can select an Availability Zone or let AWS choose one for you.

Each region is completely independent. Each Availability Zone is isolated, but the Availability Zones in a region are connected through low-latency links. AZs in a region are connected with direct Fiber optic links which have capacity of around 25Tbps bandwidth and a latency of 2ms to 1ms.

A datacenter is a location where actual physical data resides. A data center typically have 50000 to 80000 physical servers. A single or couple of data centers are clubbed in to one AZ.

The following diagram illustrates the relationship between regions and Availability Zones.

Note: Services are available as per the region, not available in each region.

AWS Edge Location

An edge location is a place where data is cached and end users access services located at AWS. They are located in most of the major cities around the world and are specifically used by CloudFront (CDN) to distribute content to end user to reduce latency.

Amazon CloudFront, Amazon Route 53, AWS Shield, Lambda and AWS WAF services are offered at AWS Edge Locations.

Difference between AWS endpoints and an AWS edge locations?

There is a relation between AWS endpoints and AWS edge location. AWS endpoints are used to connect to AWS web console service to configure AWS services such as EC2, S3 etc by a company or engineers whereas AWS Edge location is where this service is served to the clients.

What is Amazon AWS TRANSIT CENTERS?

I feel this AWS transit centers are least documented service in AWS documentation which we discussed so far. A transit center is defined as a connection point between actual data center to customers. These transit centers are highly available connection centers which are independent of each other in an region which are directly connected to all the available AZs in a given region.

 


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Arun Kakkar

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My name is Arun Kakkar. I am an AWS & Azure Certified Solutions Architect along with Microsoft office 365 and Microsoft Exchange Certified. I have more than 8.6 years of successful industry experience in multiple technologies such as AWS Cloud, MS Azure Cloud, MS Exchange, Office365, MS Active Directory, DNS, DHCP, VMware, HyperV, Physical Data Center, WSUS, Windows, Linux, File Server, FTP Server, Antivirus Servers, Backup Servers, Monitoring Tools and ITSM Tools etc... I love learning. Anything from educational podcasts, YouTube videos, books - if I can learn from it, then I'm interested. I know most people like learning things - but this has become a serious passion of mine. I truly want to learn everything there is to learn.

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