SmartTechTalk : Asynchronous messaging

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Asynchronous Messaging
How to enhance your Integration Architecture
Fulvio Tozzo
September 2019

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A mode of interaction between two or more parties in which the exchange of
information does not require simultaneous act...

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SYNCHRONOUS (Phone)
• Requires participants’ simultaneous
presence
• Times out
• Volatile
• Ignores pace
Synchronous vs ...

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Asynchronous Messaging Pattern
Sep 2019Asynchronous Messaging 5
Publisher
Subscriber
B
Subscriber
A
Channel
Send
Receive...

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• Divide the publisher and consumer
• Store the messages
• Route messages
• Check and organize messages
Features
Sep 201...

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Reference Architecture
Sep 2019Asynchronous Messaging 7
External Applications
API
Internal
System 21
Internal
System 22
...

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Benefits
Sep 2019Asynchronous Messaging 8
Automation
Cost
Effectiveness
Punctuality
Loose
Coupling
Flexibility
Security
...

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• An extra layer has to be included in the IT landscape
• Response time might be unpredictable
• The error handling resp...

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• Fire & Forget (One-Way)
Message Exchange Patterns
Sep 2019Asynchronous Messaging 10
• Request/Callback

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Message Distribution
Patterns - Broadcast
Sep 2019Asynchronous Messaging 11
Consumer A Consumer B Consumer C
Producer
Me...

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Message Distribution
Patterns - Broadcast
Sep 2019Asynchronous Messaging 12
Consumer A Consumer B Consumer C
Producer
In...

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Message Distribution
Patterns - Broadcast
Sep 2019Asynchronous Messaging 13
Consumer A Consumer B Consumer C
Producer
In...

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Scenario – Broadcast an event
Sep 2019Asynchronous Messaging 14

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Scenario – Broadcast an event
Sep 2019Asynchronous Messaging 15

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Scenario – Broadcast an event
Sep 2019Asynchronous Messaging 16

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Message Distribution
Patterns - Direct
Sep 2019Asynchronous Messaging 17
Consumer A Consumer B Consumer C
Producer
Messa...

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Message Distribution
Patterns - Direct
Sep 2019Asynchronous Messaging 18
Consumer A Consumer B Consumer C
Producer
Input...

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Message Distribution
Patterns - Direct
Sep 2019Asynchronous Messaging 19
Consumer A Consumer B Consumer C
Producer
Input...

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Scenario – Data replication
Sep 2019Asynchronous Messaging 20

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Scenario – Data replication
Sep 2019Asynchronous Messaging 21

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Scenario – Data replication
Sep 2019Asynchronous Messaging 22

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Scenario – Data replication
Sep 2019Asynchronous Messaging 23

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Message Distribution
Patterns - Routing
Sep 2019Asynchronous Messaging 24
Consumer A Consumer B Consumer C
Producer
Mess...

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Message Distribution
Patterns - Routing
Sep 2019Asynchronous Messaging 25
Consumer A Consumer B Consumer C
Producer
Inpu...

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Message Distribution
Patterns - Routing
Sep 2019Asynchronous Messaging 26
Consumer A Consumer B Consumer C
Producer
Inpu...

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Scenario – Ordered workflow
Sep 2019Asynchronous Messaging 27

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Scenario – Ordered workflow
Sep 2019Asynchronous Messaging 28

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Scenario – Ordered workflow
Sep 2019Asynchronous Messaging 29

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Scenario – Ordered workflow
Sep 2019Asynchronous Messaging 30

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Scenario – Ordered workflow
Sep 2019Asynchronous Messaging 31

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Scenario – Ordered workflow
Sep 2019Asynchronous Messaging 32

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Message Distribution
Patterns -
Publish/Subscribe
Sep 2019Asynchronous Messaging 33
Consumer A Consumer B Consumer C
Pro...

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Message Distribution
Patterns -
Publish/Subscribe
Sep 2019Asynchronous Messaging 34
Consumer A Consumer B Consumer C
Pro...

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Message Distribution
Patterns -
Publish/Subscribe
Sep 2019Asynchronous Messaging 35
Consumer A Consumer B Consumer C
Pro...

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Scenario – Update event
Sep 2019Asynchronous Messaging 36

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Scenario – Update event
Sep 2019Asynchronous Messaging 37

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Scenario – Update event
Sep 2019Asynchronous Messaging 38

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• Standard messaging API for JAVA platform
• Defines the message format (headers,
properties and body)
• Interoperabilit...

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• It is a platform independent wire level
messaging protocol
• Interoperable across multiple languages
and platforms
• H...

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• Designed to be used for small dumb
devices sending small messages over
low bandwidth networks
• No long living store
•...

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