Review, Research, and Discussion

Describe the similarities between AWS API Gateway + Lambda functions and an ExpressJS Server

Amazon API Gateway and Express Gateway both have their strengths and weaknesses. Amazon API Gateway has a compelling case for massively scalable API gateways at a competitive price point. With Express Gateway, you are responsible for hosting and running your own API Gateway, which may be more or less expensive depending on your experience and the load on your API Gateway.

List the AWS Database offerings and talk about the pros and cons of each

Amazon RDS Pros and Cons Pros | Cons

• Automated Patching	Patching forces a downtime
  Automated Backups	No scale-out for write workloads
  Encryption at rest and in-transit	Downtime required for scaling operations
  A significant improvement over on-premise databases	No automated performance tuning
  Integrated with the rest of the AWS ecosystem	Not a zero-administration database
  No hardware maintenance needed	No automated partition management
  Simplified scaling in comparison to on-premise databases	No automated compression management
  Automated log shipping and read replica	No root access to the server
  Simplified disaster recovery and automatic failover	No native support as a read replica for on-premise Databases
  Automated additional storage allocation	CPU and Storage performance is not guaranteed
  Point in time recovery	Zero data loss is not guaranteed

What’s the difference between a FIFO and a standard queue?

Standard queues provide at-least-once delivery, which means that each message is delivered at least once. FIFO queues provide exactly-once processing, which means that each message is delivered once and remains available until a consumer processes it and deletes it.

How can the server be assured a message was properly received?

by receiving a confirmation from the client that he receives the message.

term	Discripe
Serverless API	a cloud computing execution model where the cloud provider dynamically manages the allocation and provisioning of servers.
Dynamo vs Mongo	Both these databases support multi-document transactions, but with key differences: MongoDB supports read and writes to the same documents and fields in a single database transaction. DynamoDB lacks support for multiple operations within a single transaction.
Dynamoose vs Mongoose	Dynamoose is a modeling tool for Amazon’s DynamoDB. Dynamoose is heavily inspired by Mongoose, Mongoose is a packege allow yo o connect to mongoDB.

SNS (Simple Notification Service)

Amazon SNS is a fast, flexible, fully managed push notification service that lets you send individual messages or to bulk messages to large numbers of recipients. Amazon SNS makes it simple and cost effective to send push notifications to mobile device users, email recipients or even send messages to other distributed services.

SQS (Simple Queue Service)

Amazon SQS is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications.