Amazon Elastic Compute Cloud (EC2) vs Oracle Cloud Infrastructure

• A great variety of choices in Amazon Machine Image (AMI) types. Users can select a more basic type to run generic workloads, but also have the choice to pick an AMI pre-installed with specific services in the AWS Marketplace.
• The range of instance types can support the usage from a student's exploration (inexpensive general-purpose nano instances) to an enterprise's most intense workloads (memory or storage-optimized instances with terabytes of memory and ultra-fast network connection).
• The pricing options, from regular instances, reserved instances to spot instances allow users to get the job done and make smart choices about how much they want to pay and when they want to pay.

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• Block Volume provides durability and stability to data. IOPS can be changed on the fly. Always stay true to the promised performance.
• Block Volume can be encrypted with ease to meet compliance. Can also be easily integrated with OCI vault service for extra security.
• Object Storage and File Storage are other forms of storage that are secure and extremely easy to configure. FSS is one of the best in the industry when it comes to reliability and performance.
• SSD block volumes are persistent in OCI unlike many other clouds.

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• This service is a bit difficult to consume. New users need a big learning curve to use this service effectively.
• UI for EC2 service is a little complex and at many places, it misses detailed explanation.
• Sometimes it takes too long to create images of EC2 instances. This keeps your EC2 up for that extra time. When instances are heavy, it penalizes a lot of money.

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• Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) is a fully managed service that makes it a little hard sometimes to fine tune HPC workloads, for example AI/Deep learning training where a lot of data transfer and compute is needed.
• The initial setup can certainly be improved with less steps to make it faster and easier to deploy compared to the competition, for example Google Kubernetes Engine (GKE).
• Documentation and best practice documentation for OKE can be improved especially since there are not a lot of customer references available for large scale deployments that need fine tuned performance.

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• Instance procurement time has become negligible with EC2. Any developer can provision an instance very quickly and companies can move towards automation of CI/CD pipelines and auto provisioning of EC2s.
• Companies do not have to spend money in managing infrastructures, data centers, staff to manage these, networking, connectivity etc. All this will be taken care by AWS and EC2 can be used to run your enterprise softwares and custom applications.
• If not correctly monitored EC2 prices can run up very quickly. So proper monitoring has to be in place in your organization. Non-prod and dev EC2 servers should be brought down in evening and night.

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• We have been able to test at low scale complex solutions using OCI
• The Free Tier option can be used to test easy of configuration and deployment
• Since pricing is in U.S. Dollars, it can be a problem in countries with less stable currencies

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