Adapt or Die: Serverless Microservices
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The document discusses serverless computing, detailing its characteristics such as no server management and pay-per-request pricing. It also explains key concepts like Function as a Service (FaaS) and Backend as a Service (BaaS), along with their benefits and limitations. The document emphasizes the role of API management and outlines an example of an AWS Lambda function deployment.
Adapt or Die: Serverless Microservices
- 1. ©2015 Apigee Corp. All Rights Reserved. Serverless Microservices Alan Ho : Apigee Kevin Kohut : Accenture
- 2. ©2015 Apigee Corp. All Rights Reserved. What is Serverless ? 2
- 3. ©2015 Apigee Corp. All Rights Reserved. Serverless computing is the code execution model that the cloud provider abstracts the complexity of managing individual servers 3
- 4. ©2015 Apigee Corp. All Rights Reserved. Attributes of Serverless • No Servers to manager • No Load Balancers • Pay by Request 4
- 5. ©2015 Apigee Corp. All Rights Reserved. Serverless Stack 5 FaaS BaaS PubSub API Gateway Async Events Sync Events
- 6. ©2015 Apigee Corp. All Rights Reserved. What is FaaS ? • Deployment = VM Code • Event-based • No Access to File System • Pay By Request • Logging / Monitoring built in 6 Google Functions AWS Lambda Azure Functions
- 7. ©2015 Apigee Corp. All Rights Reserved. Role of an API Management ? • REST <-> RPC • API Lifecycle 7 Design Develop Secure PublishMonitor Analyze Monetize Scale
- 8. ©2015 Apigee Corp. All Rights Reserved. What is a BaaS ? 8 • Multi-Tenant DB • Usually based on NoSQL • Lower DB Admin overhead • Pay By Request / Storage • Logging / Monitoring built in API BaaS (Usergrid) Firebase DynamoDB Cloud Datastore SimpleDB Google BaaS AWS BaaS
- 9. | (m) obile B ackend a s a S ervice Datastore Push Notifications Connections /Social Location Users …and more Application
- 10. ©2015 Apigee Corp. All Rights Reserved. On the Inside Tomcat (Usergrid Application) - Rest APIs - Orchestration & Integration Cassandra - Used as Source of Record - Highly scalable data model including multi-level sharding of data ElasticSearch - Provides all indexing for Usergrid with custom index mappings - Purpose-built for indexing
- 11. ©2015 Apigee Corp. All Rights Reserved. Benefits • Economies of Scale • No Less Ops • Simplified Programming Model 11
- 12. ©2015 Apigee Corp. All Rights Reserved. Gotchas • No Filesystem – Lack of Config Management – Monitoring Flexability • Lack of Indexing Control • Beholden to Auto-scaling algorithms • Rigid Programming Model 12
- 13. ©2015 Apigee Corp. All Rights Reserved. Autodesk Production Deployment Email sent to user User talr-cla talr-configtalr-cloudtrail talr-accountinfo talr-vpc talr-notify talr-cla-response talr-directconnect talr-director talr-validator talr-cfn-response talr-taskstatus POST /account POST /directconnect AWS Lambda function - Application Logic AWS SNS Topic - Asynchronous notifications AWS DynamoDB Table - Datastore Apigee - API Proxy AWS SES - Outbound Email ServiceNow - Request Form Legend talr-cbinfo talr-receptionist talr-interrogator talr-inquirer talr-cla-request GET /account GET /{service} POST /cloudtrail POST /config POST /vpc talr-dispatch-request talr-notify-request DDB event
- 14. ©2015 Apigee Corp. All Rights Reserved. 14
- 15. ©2015 Apigee Corp. All Rights Reserved. Considerations Serverless Containers Code Deployment ✔ ✔ No Server Management ✔ Persistent Workload ✔ Event Based Workload ✔ C applications / Libraries ✔ 15
- 16. Thank you
Editor's Notes
- #10: <JEFF> A service that helps developers build apps Developers can focus on building apps, not servers Enables serverless apps and services BaaS services give REST API access to: