Category: Cloud Computing

Introduction to AWS VPC Peering TL;DR A VPC Peering connection is a networking connection between two VPCs that enables you to route traffic between them privately (using private IPv4 or IPv6 addresses). Instances in either VPC can communicate with each other as if they are within the same network. VPCs can be in different regions (known as inter-region VPC peering connection). VPC […]

Introduction to AWS VPC Egress-Only Internet Gateway TL;DR Egress-only Internet Gateway is VPC component that allows outbound only communication to the internet over IPv6, and prevents the Internet from initiating an IPv6 connection with your instances. Egress-only Internet gateway works as a NAT gateway, but for IPv6 traffic. An egress-only Internet gateway is for use with IPv6 traffic only. To enable […]

Introduction to AWS VPC Endpoints TL;DR VPC endpoint enables creation of a private connection between VPC to supported AWS services and VPC endpoint services powered by PrivateLink using its private IP address. Traffic between VPC and AWS service does not leave the Amazon network. There are two types of VPC endpoints: Interface endpointis an elastic network interface (ENI) with a private […]

Introduction to AWS VPC Route Table TL;DR A route table contains a set of rules, called routes, that are used to determine where network traffic from your subnet or gateway is directed. To put it simply, a route table tells network packets which way they need to go to get to their destination. VPC Route Table Key points Each subnet in your VPC […]

Introduction to AWS Route 53 Routing Policy types When you create a record, you choose a routing policy, which determines how Amazon Route 53 responds to queries: Simple routing policy — Use for a single resource that performs a given function for your domain, for example, a web server that serves content for the example.com website. Weighted routing policy — Use to […]

Introduction to AWS S3 Transfer Acceleration TL;DR: Amazon S3 Transfer Acceleration enables fast, easy, and secure transfers of files over long distances between your client and an S3 bucket. Transfer Acceleration takes advantage of Amazon CloudFront’s globally distributed edge locations. S3TA improves transfer performance by routing traffic through Amazon CloudFront’s globally distributed Edge Locations and over AWS backbone networks, and […]

Introduction to AWS S3 Storage Classes Amazon S3 offers a range of storage classes designed for different use cases. These include Standard for general-purpose storage of frequently accessed data; Intelligent-Tiering for data with unknown or changing access patterns; Standard-IA and One Zone-IA for long-lived, but less frequently accessed data; and Glacier and Glacier Deep Archive for long-term archive and digital preservation. Amazon S3 storage classes are designed to sustain the concurrent loss […]

Getting Started with AWS Serverless Computing Serverless is the native architecture of the cloud that enables you to shift more of your operational responsibilities to AWS, increasing your agility and innovation. Serverless allows you to build and run applications and services without thinking about servers. It eliminates infrastructure management tasks such as server or cluster provisioning, patching, operating system maintenance, […]

CloudWatch vs CloudTrail in AWS CloudWatch focuses on the activity of AWS services and resources, reporting on their health and performance. CloudTrail is a log of all actions that have taken place inside your AWS environment. CloudWatch: AWS CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS. You can use Amazon CloudWatch to collect and […]