Amazon web services (AWS): cloud delivery & service models

Amazon Web Services (AWS) offers a variety of cloud delivery and service models to cater to different business needs. These models primarily include Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). - Amazon Web Services Online Course

Let's dive into each of these:

1. Infrastructure as a Service (IaaS):

 - In IaaS, AWS provides virtualized computing resources over the internet. Users can rent virtual machines, storage, and networking infrastructure on a pay-as-you-go basis.

 - AWS services under IaaS include Amazon EC2 (Elastic Compute Cloud) for virtual servers, Amazon S3 (Simple Storage Service) for object storage, Amazon VPC (Virtual Private Cloud) for networking, and Amazon EBS (Elastic Block Store) for block storage, among others.

 - Users are responsible for managing and maintaining their operating systems, applications, and data, while AWS manages the underlying infrastructure.

2. Platform as a Service (PaaS):

 - PaaS provides a platform allowing customers to develop, run, and manage applications without dealing with the complexities of infrastructure management.

 - AWS services under PaaS include AWS Elastic Beanstalk for deploying and scaling web applications, AWS Lambda for serverless computing, Amazon RDS (Relational Database Service) for managed databases, and AWS Elastic Container Service (ECS) for container orchestration, among others. - AWS Training Institute in Hyderabad

 - Users focus on application development and deployment, while AWS handles the underlying infrastructure, runtime, middleware, and other resources.

3. Software as a Service (SaaS):

 - SaaS delivers software applications over the internet on a subscription basis. Users access these applications via a web browser without needing to install or maintain any software locally.

 - While AWS itself is primarily an infrastructure and platform provider, it also hosts numerous third-party SaaS applications through AWS Marketplace, such as CRM solutions, collaboration tools, and productivity software.

 - SaaS providers leverage AWS infrastructure and services to deliver their applications reliably and securely to end-users.

In addition to these primary models, AWS also offers specialized services such as Function as a Service (FaaS) through AWS Lambda, Container as a Service (CaaS) through Amazon ECS and Amazon EKS (Elastic Kubernetes Service), and Database as a Service (DBaaS) through Amazon RDS, Amazon DynamoDB, and others.

Overall, AWS provides a comprehensive suite of cloud services catering to a wide range of use cases, from building simple websites to running complex enterprise applications at scale. - AWS Online Training

 

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