ITSS: Week4 - API Use Cases & AWS Services

API Use Cases

Microservices connect and manage application communication.

Mobile Backends

Provide backend services for mobile applications.

Web Backends

Support backend services for web applications.

HTTP APIs

Cost-effective alternative to REST APIs.

Low Latency

Optimized for fast API call responses.

Automatic Scaling

Scales based on demand without manual intervention.

Built-in Authentication

Supports JWT for secure user authentication.

CORS Support

Enables cross-origin resource sharing for APIs.

Serverless Applications

Integrates with AWS Lambda for serverless solutions.

WebSocket APIs

Enable real-time, full-duplex communication channels.

Persistent Connections

Maintains long-lived connections for data exchange.

Two-Way Communication

Allows clients and servers to send messages anytime.

Connection Management

Automatically handles connections and reconnections.

Routing and Integration

Routes messages to AWS Lambda for processing.

Message Broadcasting

Sends messages to multiple clients simultaneously.

Real-Time Chat Applications

Facilitates instant messaging and chat features.

Live Updates

Provides real-time notifications to users.

Collaborative Applications

Supports tools for real-time collaboration.

IoT Applications

Enables communication between IoT devices and services.

AWS Route 53

Scalable DNS web service for domain management.

Domain Registration

Allows registration and management of domain names.

DNS Routing

Connects users to resources via domain names.

Health Checking

Ensures resources are reachable and functional.

Traffic Flow

Manages global traffic based on various factors.

Route 53 Resolver

Provides recursive DNS for AWS and on-premises.

DNS Firewall

Protects DNS queries with firewall rules.

DNS Failover

Redirects traffic to avoid site outages.

Amazon VPC

Creates isolated virtual networks in AWS.

Isolated Networking

Provides a private section of the AWS cloud.

IP Addressing

Supports IPv4 and IPv6 address assignments.

Subnets

Ranges of IP addresses within a VPC.

Route Tables

Directs network traffic flow between resources.

Gateways and Endpoints

Connect VPC to other networks.

VPC Peering

Routes traffic between two VPCs.

Traffic Mirroring

Copies network traffic for inspection purposes.

Transit Gateways

Central hub for routing traffic between VPCs.

AWS CloudFront

CDN service for accelerating web content delivery.

Performance

Reduces latency by caching content at edge locations.

Key Features of CloudFront

Includes security, scalability, and edge computing.