AWS AppSync
Managed GraphQL with realtime subscriptions
AWS AppSync is a fully managed GraphQL service that enables real-time data synchronization and offline capabilities. It supports subscriptions via WebSockets, connects to multiple data sources (DynamoDB, Lambda, HTTP), and provides built-in authorization with Cognito, IAM, and API keys.
Funktionen
✓ GraphQL API management
✓ Real-time subscriptions via WebSockets
✓ Offline data sync (Amplify DataStore)
✓ Multiple data source integration
✓ Fine-grained authorization
✓ Subscription filtering
✓ Conflict resolution
✓ VTL and JavaScript resolvers
✓ Pipeline resolvers
✓ AppSync Events (PubSub)
Vorteile
- + Fully managed GraphQL service
- + Native real-time subscriptions
- + Excellent AWS integration
- + Scales to millions of connections
- + Flexible authorization options
Nachteile
- − AWS lock-in
- − VTL learning curve
- − Complex pricing model
- − Limited to GraphQL