Code 401: Class 18 - AWS: API, Dynamo and Lambda

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Questions

1. What is the difference between a FIFO and standard queue? A standard queue operates with a first in first out principal aka FIFO.

2. How can the server be assured a message was properly received? A server can request that a recipient sends a confirmation of receipt.

3. What classic design pattern is represented by event driven programming? A messaging service is a classic event driven architecture.

4. how do you test an event driven system? Run multiple clients and confirm that they are communicating appropriately.

Vocabulary

Serverless Functions Single purpose programmatic functions that are hosted on managed infrastructure

Cloud Storage Storage on servers located offsite

CDN Content distribution network

Read: Amazon API Gateway - The Ultimate Guid

• A managed service that connects customer provided endpoints with back end logic
• Provides authentication, access control, and monitoring
• Ties together the serverless unctions and API definitions
• Adds latency
• API gateway stands in for your API server
• $npm install serverless -g

Read: Amazon API Gateway

• Amazon API Gateway sales brochure

Read: What is DynamoDB

• a hosted NoSQL database from AWS
  • reliable performance at scale
  • managed
  • simple API for simple key-value access
• This link is to the Dynamo Docs

Read: Amazon DynamoDB

• Amazon DynamoDB sales brochure

Read: Dynamoose

• Modeling tool for DynamoDB heavily inspired by Mongoose
• This link is for the Dynamoose docs

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