It also provides the control to scaling up or scaling down in correspondence with the rate of the site traffic. Also, the system works with multi-volume workloads and is capable of provisioning and de-provisioning resources with respect to the on-going demand.
This adaptable behavior of the system constitutes the word Elastic in Elastic Computing Cloud. Ec2 instances are virtual environments that are disconnected from the foundation On-demand service.
Aforesaid, using ec2 instances you can easily increase or decrease according to the website traffic dynamics. AWS Ec2 instances also eliminate your dependency on additional hardware and software investments and management. Amazon has an immense ecosystem providing multiple AWS ec2 instance types. These ec2 instances can be used in different cases. We have listed all the types of ec2 instances with a brief explanation to aid you to choose the best instance as per your requirement.
Well known for its application in web servers and running deployment for gaming and mobile applications, General Purpose Instances is the most used ec2 instance type. They are explicitly designed for beginners with an easy to use application. These ec2 instance types are ideal for raw compute power systems like scientific modeling, media transcoding, web servers with high-performance, and gaming servers.
They are pricier when compared to other instance types, but deploy faster. Compute Optimized instances include — C5, C5n, and C4. Memory-Optimized Instances are perfect for memory sensitive applications.
They include a high-performance database, real-time massive data analytics, and more. These ec2 types provide high sequential reading and writing formats for large volume data sets.
Storage optimized instances include — I3, I3en, D2, and H1. Auto-scaling: We are already aware of how Netflix uses this feature to its advantage and provides a smooth crash-free experience.
Basically, you get to scale up or scale down according to the website traffic dynamics. This frees you from the costs and complexities of planning, purchasing, and maintaining hardware and transforms what are commonly large fixed costs into much smaller variable costs.
Reserved Instances provide you with a significant discount compared to On-Demand Instance pricing. There are three Reserved Instance payment options No Upfront, Partial Upfront, All Upfront that enable you to balance the amount you pay upfront with your effective hourly price. Spot instances are spare compute capacity in the Amazon Web Services cloud available to you at steep discounts compared to On-Demand prices.
EC2 Spot enables you to optimize your costs on the Amazon Web Services cloud and scale your application's throughput up to 10X for the same budget. You can quickly deploy this software to EC2 via the EC2 console. Amazon EC2 Secure and resizable compute capacity in the cloud. Launch applications when needed without upfront commitments. Security Groups and networks ACLs allow you to control inbound and outbound network access to and from your instances. You can provision your EC2 resources as Dedicated Instances.
Dedicated Instances are Amazon EC2 Instances that run on hardware dedicated to a single customer for additional isolation. On-Demand Instances. These groups can have a minimum or maximum number of EC2 instances that kick in automatically if there is an error or failure in an instance. Stopped EC2 instances do not incur any charges. C5: c5. C5a: c5a. C5d: c5d.
C5n: c5n. C6g: c6g. Architecture - New instances types can only be launched to the same processor architecture. For example, bit AMIs can only be resized to other bit instances. Network - You cannot resize to an EC2-Classic from newer instance types. Newer instance types must be launched in a VPC. Enhanced networking - Enhanced networking requires necessary drivers, and you cannot resize to an instance that does not support them.
EC2 has a number of benefits. This automatically distributes incoming application traffic across several instances, while also identifying unhealthy instances and rerouting traffic to the healthy versions until restored. This removes the headaches involved with having to manage an internal cluster management infrastructure, and it makes it simple-to-establish containers as the foundation of an application. It allows for scheduling of ongoing batch processes, services, and applications, and it offers integration—both with other AWS products and external programs—through its API.
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