Amazon EventBridge is a serverless event bus service that connects your applications with data from a variety of sources, including SaaS applications and AWS services. EventBridge makes it easy to build event-driven architectures, which are loosely coupled and distributed. In this session, we cover the basics of event-driven architectures, including common patterns and use cases with EventBridge. Hear from Datadog on how it is taking advantage of event-driven architectures to get a real-time end-to-end view of customers by using a Zendesk integration with EventBridge. Expect to leave with a solid understanding of how to use EventBridge to build scalable, resilient, event-driven applications.

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Introduction to event-driven architectures and
Amazon EventBridge
Mike Deck
Principal Solutions Architect
Amazon Web Services
M A D 2 0 5
Daniel Langer
Product Manager
Datadog

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A serverless event bus service for
SaaS and AWS services
• Fully managed, pay-as-you-go
• Native integration with
SaaS providers
• 15 target services
• Easily build event-driven
architectures

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Event-driven kids
200 OK

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Event-driven kids
504 Timeout

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Event-driven kids
400 Bad Request
{“errMsg”: “don’t want to”}

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Event-driven kids
400 Bad Request
{“errMsg”: “I’m playing”}

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Event-driven kids
400 Bad Request
{“errMsg”: “Noooooooooo”}

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Event-driven kids
429 Too Many Requests
{“status”: “tantrum”}

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Topics for today

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Monoliths and microservices
Monolith
Does everything
Microservice
Does one thing

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The end goal
And do it faster

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Synchronous APIs
201 201😀😐

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Architecture v1

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Architecture v2

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Long-term architecture

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[i-’vent]

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Events are observable, not directed

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What do we do with these arrows?

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Event routers

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Event routers in AWS
AWS Service Characteristics

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Event routers for fan out
Event router

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Intra-service events
createOrderApi
function
Amazon API
Gateway
Amazon SNS
topic

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Intra-service events
createOrderApi
function
Amazon API
Gateway
Amazon SNS
topic
Queue Function
Operator

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Intra-service events
createOrderApi
function
Amazon API
Gateway
Amazon SNS
topic
Kibana
dashboard
Queue Function Amazon Kinesis Data
Firehose
Amazon Elasticsearch
Service
Queue Function
Operator

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Synchronous APIs
201 201😀

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Downstream failures
503 502😡

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Events are asynchronous

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😐
Asynchronous events
201😀

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😐
Asynchronous events
201😀

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But wait, now the customer
won’t get their invoice!

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🤬
Event-driven resiliency
201

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Inside the invoice service
Invoice service

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Invoice service
Inside the invoice service

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Invoice service
Inside the invoice service
X
X

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Invoice service
Inside the invoice service
Event store

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Invoice service
Inside the invoice service
Event store

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Invoice service
Inside the invoice service
Event store

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Invoice service
Inside the invoice service
Event store

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Invoice service
Inside the invoice service
Event store

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Event stores in AWS
AWS Service Characteristics

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Final architecture

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Event routing and storing

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Bridging the gap
AWS Cloud
?

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Polling
AWS Cloud

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SaaS web hooks
AWS Cloud

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52. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
A serverless event bus service for
SaaS and AWS services
• Fully managed, pay-as-you-go
• Native integration with
SaaS providers
• 15 target services
• Easily build event-driven
architectures

53. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon EventBridge
Event source SaaS event bus
Custom event
bus
Default event
bus
Rules
AWS Lambda
Amazon Kinesis
AWS Step Functions
Additional targets

54. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon EventBridge
Event source SaaS event bus
Custom event
bus
Default event
bus
Rules
AWS Lambda
Amazon Kinesis
AWS Step Functions
Additional targets
Event sources

55. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon EventBridge
AWS services
Custom events
SaaS apps Event source SaaS event bus
Custom event
bus
Default event
bus
Rules
AWS Lambda
Amazon Kinesis
AWS Step Functions
Additional targets

56. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon EventBridge
AWS services
Custom events
SaaS apps Event source SaaS event bus
Custom event
bus
Default event
bus
Rules
AWS Lambda
Amazon Kinesis
AWS Step Functions
Additional targets
Event
buses

57. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon EventBridge
AWS services
Custom events
SaaS apps Event source SaaS event bus
Custom event
bus
Default event
bus
Rules
AWS Lambda
Amazon Kinesis
AWS Step Functions
Additional targets

58. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon EventBridge
AWS services
Custom events
SaaS apps Event source SaaS event bus
Custom event
bus
Default event
bus
Rules
AWS Lambda
Amazon Kinesis
AWS Step Functions
Additional targets
"detail-type":
"source": "aws.partner/example.com/123",
"detail":
"ticketId":
"department":
"creator":

59. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon EventBridge
AWS services
Custom events
SaaS apps Event source SaaS event bus
Custom event
bus
Default event
bus
Rules
AWS Lambda
Amazon Kinesis
AWS Step Functions
Additional targets
"detail-type":
"source": "aws.partner/example.com/123"
"detail":
"ticketId":
"department":
"creator":
"source":

60. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon EventBridge
AWS services
Custom events
SaaS apps Event source SaaS event bus
Custom event
bus
Default event
bus
Rules
AWS Lambda
Amazon Kinesis
AWS Step Functions
Additional targets
"detail-type":
"source": "aws.partner/example.com/123",
"detail":
"ticketId":
"department": "billing"
"creator":
"detail":
"department": ["billing", "fulfillment"]

61. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon EventBridge
AWS services
Custom events
SaaS apps Event source SaaS event bus
Custom event
bus
Default event
bus
Rules
AWS Lambda
Amazon Kinesis
AWS Step Functions
Additional targets
"detail-type": "Ticket Created"
"source": "aws.partner/example.com/123",
"detail":
"ticketId":
"department": "billing",
"creator":
"detail-type": ["Ticket Resolved"]

62. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon EventBridge
AWS services
Custom events
SaaS apps Event source SaaS event bus
Custom event
bus
Default event
bus
Rules
AWS Lambda
Amazon Kinesis
AWS Step Functions
Additional targets
Targets

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Amazon EventBridge integration partners

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Common use cases

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Common use cases

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Onboarding a SaaS event source with EventBridge
Your account – 111111111111
SaaS partner account
AWS account ID
111111111111
AWS Region
us-east-1

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Onboarding a SaaS event source with EventBridge
Your account – 111111111111
SaaS partner account

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Onboarding a SaaS event source with EventBridge
Your account – 111111111111
SaaS partner account

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Datadog overview
SaaS monitoring platform
350+ integrations
Over 8,000 customers
Collects trillions of data points per day

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Zendesk powers Datadog’s customer experiences
Zendesk is the support platform behind
Datadog’s support system
Solutions team handles a very high volume
of tickets per day, ranging from feature
requests to troubleshooting
100+ support and solutions engineers using
Zendesk

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24x7 worldwide service that customers
depend on to monitor their business
critical systems
Solutions team is core to ensuring that
customers can successfully use the
Datadog platform
Aim to minimize MTTR and maximize
customer satisfaction
Datadog does more with CX data

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Collecting Zendesk data: Original architecture

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Architecture with Amazon EventBridge
Zendesk account Datadog account

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Real-time routing
Support process requires prioritization and advanced routing based
on case complexity
Engineer capacity fluctuates, smarter routing allows for faster
case resolution
Support team can find all the relevant information in Zendesk
and Datadog
Best resources are identified without customers needing to raise
alarms or wait unnecessarily

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Streaming allows for more timely response to
event activity
Seamless integration into Datadog for
advanced analytics
Engineers spend time solving issues as
opposed to managing APIs
Zendesk’s systems are not hit as hard
Advantages of event-driven integration

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Related breakouts
MAD308: Scalable serverless architectures using event-driven design
Sam Dengler
3:45 PM – 4:45 PM | 3E – Red (Level 3)
MAD311: Developing serverless applications with .NET using AWS SDK and
tools
Steve Roberts
5:00 PM – 6:00 PM | 3E – Yellow (Level 3)
DEV11: Building event-driven applications with serverless and AWS
Jeremy Daly
4:00 PM – 4:30 PM | Dev Lounge – (Expo, 3B, Level 3)

78. Thank you!
S U M M I T © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
Mike Deck
@mikedeck