How traffic is routed and access is controlled in AWS
Routing is the process of directing traffic flow between networks or VPCs. Routing also connects a VPC to the Internet. Routing defines how traffic flows from one network to another.…
AWS Global Infrastructure Explained
AWS global infrastructure is divided into regions. A region is a locations that hosts a collection of AWS data centers. Each region is a completely separate entity. AWS consumers can…
Overview of Key AWS Services
Following is a snapshot of key AWS services: Compute Amazon EC2: virtual computing AWS Lambda: serverless computing Amazon Elastic Container Service ECS: containerized computing Storage Amazon Elastic Block Store (EBS):…
Amazon Elastic Compute Cloud – EC2
Elastic Compute Cloud (EC2) refers to compute (server) resources. In AWS, servers are called Amazon EC2 instances or just “instances”. You can install application instances, web instances, database instances, gaming…
What is the customer responsible for in the shared responsibility model
On the cloud, security is the shared responsibility of AWS and the customers. In a nutshell: Customer is responsible for security “in” the cloud AWS is responsible for security “of”…
Introduction to Cloud Computing
National Institute of Standards and Technology (NIST) defines cloud computing as follows: “Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable…
What you need to know about the AWS Cloud Practitioner Exam
Cloud Practitioner Certification demonstrates that the individual holding the certificate has a high level understanding of AWS as a whole. The certification is suitable for non-technical roles. It does not…
Benefits of AWS consolidated billing
Amazon allows AWS users with multiple accounts to consolidate their bills into one bill. Following are reasons for doing so: easier to track charges across multiple accounts by combining usage,…
Amazon S3 is not a global filesystem
Amazon S3 is an object store and a durable storage system but it is not a global filesystem for the following reasons: S3 stores objects, not files S3 is a…
How to track and categorize AWS spending on a detailed level
You can assign cost allocation tags to AWS resources. Each tag has a unique key and a value. Cost allocation tags can be used to track costs at a detailed…