apidays LIVE Helsinki & North: API Ecosystems - Connecting Physical and Digital March 16 & 17, 2022 Why streaming and API Management go hand in hand Ljubica Lazarevic, Developer Relations at Gravitee

1. Why streaming and API management go
hand in hand
Lju Lazarevic

2. @ellazal
Event Driven Architecture trends
In 2018, Gartner predicted that by 2022:
● event notifications will form part of over 60% of new digital business solutions
● over 50% of business organizations will participate in event-driven digital
business ecosystems
● 50% of organizations managing APIs will incorporate mediation of event
notifications into their operations
Source: Top 10 Strategic Technology Trends for 2018 (Gartner)

3. Who lead the digital
transformation of your
organization?
a) The CEO
b) The CTO
c) COVID-19

4. @ellazal
What’s behind the trend?
There are many factors, including:
● Growth in microservices
● Real-time/just in time decision making
● Decoupling concerns
Tuesday Temptation on Unsplash

5. 2022 SERIES OF EVENT
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6. @ellazal
The big deal with Internet of Things
On their own…
● State change or condition information
● Location-centric information
● Provide domain-specific information
Jorge Ramirez on Unsplash

7. @ellazal
Bringing it all together
IoT and Event Driven Architecture (with other domain
data):
● Overview of the bigger picture
● Make predictions
● Just in time decisions
● Create and monetize new data products
Denys Nevozhai on Unsplash

8. @ellazal
Great! But wait…
IoT challenges to overcome in Event Driven
Architectures:
● Device management
● Security
● Event management and compatibility
● Scalability
John Salvino on Unsplash

9. @ellazal
Why API Management for IoT?
API Management is a set of processes and tools that enable the effective
design, development, deployment and maintenance of APIs
What API Management offers in general:
● Security
● Protection
● Performance
● Documentation and governance
● Monitoring, logging and alerting

10. @ellazal
Benefits of API Management for IoT
● Separation of concerns
● Device polling
● Device as API
● Data transformation
● Mix protocols and protocol mediation
Oliver Sand on Unsplash

11. @ellazal
IoT scenarios based on Gravitee API Management

12. @ellazal
Devices
Scenario 1 - devices as APIs
APIM Management Console
API Monitoring
APIM Gateway
API Proxies Policies
Authorisation
Cache
Throttling
Rate Limiting
APIM Developer Portal
Documentation Plans & Subscribe
Temperature
Humidity
Wind
Pressure
REST
request/
response
API Owner
Client
Consumer
REST
request/
response

13. @ellazal
Devices
Scenario 2 - protocol mediation and data transformation
APIM Gateway
API Proxies Policies
Dynamic Routing
HTTP Callout
Kafka
Temperature
Humidity
Wind
Pressure
REST
Client
REST/
Websocket
Flood alert
MQTT Broker
Service Management Ecosystem
Internal Systems
Transform H
Transform QP

14. @ellazal
What next?
● Dorian Blanc’s workshop
○ Implement your 1st
Event-Driven API thanks to
Gravitee
○ 12:10 pm UTC | 1:10 pm CET
● Have a go with Gravitee.io API
Management
Reach out on lju@graviteesource.com
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