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Serverless MicroservicesAlan Ho : ApigeeKevin Kohut : Accenture

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What is Serverless ?

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Serverless computing is the code execution model that the cloud provider abstracts the complexity of managing individual servers

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Attributes of Serverless

• No Servers to manager

• No Load Balancers

• Pay by Request

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Serverless Stack

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FaaS BaaS

PubSub

API Gateway

AsyncEvents

SyncEvents

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What is FaaS ?• Deployment = VM Code

• Event-based

• No Access to File System

• Pay By Request

• Logging / Monitoring built in

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Google Functions

AWS Lambda

Azure Functions

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Role of an API Management ?

• REST <-> RPC

• API Lifecycle

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Design

Develop

Secure

PublishMonitor

Analyze

Monetize

Scale

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What is a BaaS ?

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• 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

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(m) obileB ackend a saS ervice

Datastore

Push Notifications

Connections /Social

Location

Users

…and more

Application

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On the InsideTomcat (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

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Benefits

• Economies of Scale • No Less Ops • Simplified Programming Model

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Gotchas• No Filesystem

– Lack of Config Management– Monitoring Flexability

• Lack of Indexing Control

• Beholden to Auto-scaling algorithms

• Rigid Programming Model

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Autodesk Production Deployment

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ConsiderationsServerless Containers

Code Deployment ✔ ✔No Server Management ✔Persistent Workload ✔Event Based Workload ✔C applications / Libraries ✔

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Thank you