AWS - Virtual Private Cloud - Part1

Figure shown below is a very high level architecture diagram of an AWS Virtual Private Cloud (VPC)

Basic characteristics of an AWS VPC
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By default an AWS account can contain only 5 VPCs
VPC can't span across AWS regions.
VPC can span across multiple availability zone in the same region.
VPC can contain multiple subnets provided the CIDR is not overlapping.

AWS Services - Compute

Below are the compute services provided by AWS.

EC2 – Elastic Cloud Compute

EC2 is a webservice for compute capacity which can be provisioned based on your needs. Its basically a re-sizable virtual machine which can be utilized for various compute operations, hosting web applications etc.

Lightsail

AWS Lighsail provides the required infrastructure to deploy and manage websites, web applications and databases quickly and easily in cloud.

ECR – Elastic Container Registry

Elastic Container Registry is a highly available, secure and fully managed container repository provided by AWS to store container images. Its similar to github.

ECS – Elastic Container Service

Elastic Container Service is AWS provided platform for deploying managing and scaling docker containers. It is integrated with familiar AWS services like ELB, EBS, Security Groups & IAM roles.

EKS - Elastic Kubernetes Service.

Elastic Kubernetes Service is fully managed Kubernetes platform which you can provision and use.

Lambda

Lambda is AWS provided serverless architecture. You can place your code and trigger the code based on an event Lambda will run the code for you and you have to pay only for the compute time which your code consumes. Basically there is no change for the idle time of the code.

Batch

Batch is an AWS provided service to run you Batch workloads efficiently using EC2.

Elastic Beanstalk

Elastic Beanstalk is an AWS provided service for deploying applications. Applications can be easily deployed, monitored and scaled using Elastic Beanstalk.

Serverless Application Repository

AWS Serverless Application Repository is a powerful repository which enables to store and share reusable serverless applications.