Krishanu Cloud Computing Tips and Facts

AMAZON ATHENA is  query engine that  helps you analyze unstructured, semi-structured, and structured data stored in Amazon S3 . Examples include CSV, JSON, or columnar data formats such as Apache Parquet and Apache ORC. You can use Athena to run ad-hoc queries using ANSI SQL, without the need to aggregate or load the data into Athena.  Amazon Athena uses Presto with full standard SQL support  and works with a variety of standard data formats, including CSV, JSON, ORC, Apache Parquet and Avro.  Amazon Athena is a service that enables data analysts to perform interactive queries in the web-based cloud storage service, Amazon Simple Storage Service (S3). Athena is used with large-scale data sets.  Athena can also be considered a robust, powerful, reliable, scalable and cost-effective ETL tool . 

                                    VPC AND VPC PEERING VPC stands for Virtual Private Cloud.  Amazon Virtual Private Cloud (Amazon VPC)  enables you to launch AWS resources into a virtual network that you've defined .  With Amazon VPC, your instances run in a virtual private cloud (VPC) that's logically isolated to your AWS account.  Amazon Virtual Private Cloud is a commercial cloud computing service that provides users a virtual private cloud, by "provision[ing] a logically isolated section of Amazon Web Services Cloud". Enterprise customers are able to access the Amazon Elastic Compute Cloud over an IPsec based virtual private network.  By default you can create  up to 5 VPCs . You can ask for additional VPCs using the VPC Request Limit Increase form.  VPC networking and security are a fundamental part of your AWS Infrastructure as a  Service (IaaS) ...

                                       AMAZON WEB SERVICE(AWS)-CLOUDFRONT(CF) Amazon CloudFront is  a web service that speeds up distribution of your static and dynamic web content, such as .   html, .   css, .   js, and image files, to your users.  Amazon CloudFront is a content delivery network(CDN) operated by Amazon Web Services. Content delivery networks provide a globally-distributed network of proxy servers that cache content, such as web videos or other bulky media, more locally to consumers, thus improving access speed for downloading the content.  CloudFront delivers your content through a worldwide network of data centers called edge l ocations. CloudFront speeds up the distribution of your content by routing each user request through the AWS backbone network to the edge location that can best serve your content. Typically, this is a CloudFront edg...

                                                    AWS-TRANSIT GATEWAYS A transit gateway is  a network transit hub that you can use to interconnect your virtual private clouds (VPCs) and on-premises networks . Transit Gateway Attachments are  associated to a Transit Gateway Route Table .  A WS  Transit Gateway acts as a cloud router to simplify your network architecture. As your network grows, the complexity of managing incremental connections doesn’t slow you down. When building global applications, you can connect AWS Transit Gateways using inter-Region peering .  AWS Transit Gateway multicast support distributes the same content to multiple specific destinations. This eliminates the need for expensive on-premises multicast networks and reduces the bandwidth needed for high-throughput applications such as video conferencing, medi...