WhatisAmazonEC2.docx

What is Amazon EC2?

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In this discussion, I will describe EC2, and I have learned it from module number 2 and the most challenging task in this types of EC2 Instances.
 
What is Amazon EC2?
· It stands for Elastic Compute Cloud
· EC2 is one of the most popular AWS Service, and it is used everywhere.
· This is the way to do Infrastructure as a Service on AWS
· It mainly consists in the Capability of
· Renting Virtual machine (EC2), they are called EC2 Instances.
· You can store data on Virtual drives or EBS volumes
· Distribute load across machines (Elastic Load Balancer)
· You can scale services using an Auto Scaling Group (ASG).
· Knowing EC2 fundamental to understand how the cloud works because, as I said before, the cloud can rent these servers whenever you need or on-demand.
· Any physical device that is not an Amazon EC2 instance that can execute the CodeDeploy agent and access to public AWS service endpoints is an on-premises instance.
· You can use different types of EC2 instances that are optimized for other use cases.
· Aws has the following naming convention:
           m5.2xlarge

· M: instance class
· 5: generation (AWS improves them over time)
· 2xlarge: size within the instance class
· They are seven types of EC2 Instances:
1. General Purpose
· These are great for a diversity of workloads such as webservers or code repositories.
· They will have a good balance between Compute, Memory, and Networking
· t2.micro is a General Purpose EC2 instance which is a free tier in AWS
2. Compute Optimized
· Great for the compute-intensive task that requires high-performance processors
· Example: Batch processing workloads, Media transcoding, High-performance web servers, High-performance computing (HPC), scientific modeling and machine learning, Dedicated servers. So, all these things are tasks that require an excellent CPU, perfect compute side, and so EC2 instances have this kind of particularity
3. Memory-Optimized
· Fast performance for workloads that process large data sets in memory (RAM).
· Use cases: High performance for relational/non-relational databases, Distributed web-scale cache stores, so for our elastic cache, for example, In-memory databases optimized for Intelligence and Applications performing real-time processing of big unstructured data
4. Accelerated Computing
· Mainly used for hardware accelerators or co-processors to execute functions like floating point number computations, graphics processing, and data pattern matching faster than software running on CPUs.
5. Storage Optimized
· Great for storage-intensive tasks that require high, sequential read and write access to large data sets on local storage.
· Use cases: High-frequency online transaction processing systems, Relational & NoSQL databases, Cache for in-memory databases, Data warehousing applications, and distributed file systems.
6. Instance Features
· It provides a more significant number of additional features that help you deploy, manage, and scale your applications.
· They are Burstable Performance Instances, Multiple Storage Options, EBS-optimized Instances, Cluster Networking, and Intel Processor Features
7. Measuring Instance Performance
 

 References:

· https://aws.amazon.com/ec2/?ec2-whats-new.sort-by=item.additionalFields.postDateTime&ec2-whats-new.sort-order=desc
· Working with instances for CodeDeploy – AWS CodeDeploy. https://docs.aws.amazon.com/codedeploy/latest/userguide/instances.html
· Introduction to Amazon Elastic Compute Cloud (EC2 …. https://www.siliconvalleycloudit.com/introduction-to-amazon-elastic-compute-cloud-ec2/
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Hello Dedeepya,

I have gone through your report about EC2 and its instance types,Basically, an instance type determines the hardware’s characteristics of the host computer that is used for your EC2 instance. An EC2 instance, it is like a virtual server located in the AWS cloud From an Amazon Machines Image (AMI), you can launch a single or multiple EC2 instances.
How is an EC2 instance different from a host computer?

Thanks,
Manila Rangineni.