AWS EC2 is a web service that provides secure, resizable compute capacity in the cloud. It is designed to make web-scale cloud computing easier for developers.
AWS EC2 offers the following features:
· Elasticity and scalability: AWS EC2 enables you to increase or decrease capacity within minutes, not hours or days. You can commission one, hundreds, or even thousands of server instances simultaneously.
· Completely automated: AWS EC2 enables you to build and launch instances in a matter of minutes.
· Pay as you go: With AWS EC2, you pay only for the capacity that you use. There is no minimum fee and no upfront investment.
· High performance: AWS EC2 provides high performance by allowing you to choose from a range of instance types, each of which offers a different combination of CPU, memory, and storage.
· Security and isolation: AWS EC2 provides security and isolation by allowing you to place instances in virtual private clouds (VPCs), which are isolated from the rest of the Amazon EC2 network.
The following are the advantages of using AWS EC2:
· Elasticity: AWS EC2 allows you to scale your compute capacity up or down as needed. This makes it easy to adjust your capacity to meet changing demands.
· Scalability: AWS EC2 can scale to meet the demands of your most compute-intensive applications.
· Pay as you go: With AWS EC2, you only pay for the capacity that you use. There is no minimum fee and no upfront investment required.
· High performance: AWS EC2 provides high performance by allowing you to choose from a range of instance types, each of which offers a different combination of CPU, memory, and storage.
· Security and isolation: AWS EC2 provides security and isolation by allowing you to place instances in virtual private clouds (VPCs), which are isolated from the rest of the Amazon EC2 network.
AWS EC2 instance types include the following:
· General purpose: These instances are suitable for a wide variety of workloads, including web servers, application servers, and back-end servers.
· Compute-optimized: These instances are designed for compute-intensive workloads, such as CPU-bound applications and high-performance computing (HPC) applications.
· Memory-optimized: These instances are designed for memory-intensive workloads, such as databases and in-memory caches.
· Storage-optimized: These instances are designed for storage-intensive workloads, such as Big Data and data warehouses.
AWS EC2 offers the following pricing options:
· On-demand: With on-demand instances, you pay for compute capacity by the hour with no long-term commitments.
· Spot: With spot instances, you can bid on unused EC2 capacity.
· Reserved: With reserved instances, you can make a one-time upfront payment to get a lower hourly price for your instances.
· Dedicated hosts: With dedicated hosts, you can get physical servers that are dedicated to your use.
AWS EC2 provides a variety of features to help you meet your compute needs. Whether you need to increase or decrease capacity, pay as you go, or get high performance, AWS EC2 has a pricing option that fits your needs.
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