This slide deck explains why you need to think about brownfield integration and how WSO2 can help you up-level your brownfield integration. Watch webinar here: https://wso2.com/library/webinars/2018/10/up-levelling-brownfield-integration

1. Up-leveling Brownfield Integration
Isuru Udana & Milinda Perera
WSO2 Integration Team

2. Agenda
• Brownfield Integration
• WSO2 Enterprise Integrator
• Brownfield Integration with WSO2 Enterprise
Integrator
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3. Brownfield
Integration
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4. Brownfield vs Greenfield
Source :
https://commons.wikimedia.org/wiki/File:Greenfield_Ca
lifornia.JPG
Source :
https://commons.wikimedia.org/wiki/File:A_classic_brownfi
eld_site_-_geograph.org.uk_-_728293.jpg
VS
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5. Why is Brownfield Integration Important ?
• Reuse of existing systems
• Cutdown the time it takes for digital transformation
• Cut down cost
• Not all existing systems are replaceable
5

6. Types of Systems in Brownfield
• Systems based on standard protocols
• Systems based on non-standard or proprietary
protocols
• File based systems
• Systems that don’t provide any integration points
– Databases
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7. Key Functionality Requirements
• Transformation
• Routing
• Orchestration
• Protocol Switching
• Parallel Processing
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8. Transformation
New System Brownfield
Existing
System
8

9. Routing
New System Brownfield
Existing
System A
Existing
System B
9

10. Orchestration
New System Brownfield
Existing System
A
Existing System
B
Existing System
C
1
2
3
10

11. Protocol Switching
New System Brownfield
Existing
System
HTTP JMS
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12. Parallel Processing
New System Brownfield
Existing
System A
Existing
System B
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13. WSO2
Enterprise
Integrator
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14. WSO2 Enterprise Integrator
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15. WSO2 Enterprise Integrator
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16. WSO2 Enterprise Integrator
Single integrated packaging of
• ESB and DSS as a single runtime
• Business Process Server
• Message Broker
• EI Analytics (primarily ESB analytics)
• Micro Integrator (New..!)
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17. Service Integration - Integrator Runtime
A lightweight, high performance service bus
• Comprehensive REST, SOAP, and WS-* support
• SAP, FIX, and HL7 - Domain specific solutions
• Configuration driven
• Extensible and scalable
• 100% coverage of all EIPs
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18. Data Integration - Integrator Runtime
Building service abstractions on top of disparate data
sources
SQL
SOAP/REST/OData
XML/JSON
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19. Business Processes - BPS Runtime
• Define and execute business processes - WS-BPEL
2.0, BPEL4WS 1.1, BPMN 2.0, long running stateful
processes
• Define workflows interacting with people - BPMN
user tasks, WS-HumanTask 1.1, BPEL4People 1.1
• Graphical process modeling
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20. Micro Integrator
• Startup time reduced
• Distribution size reduced
• Supports all key features
• Removed features that are not useful for MSA
• Container-friendly
20

21. Micro Integrator vs Integrator Profile
Integrator Micro Integrator
Startup Time 40s 5s
Distribution size 592 MB 224 MB
Mediation (ESB) Features ✅ ✅
Data Integration Features ✅ ✅
Built-in Clustering ✅ ❌
Tooling ✅ ✅
Management Console ✅ ❌
Dep-Sync ✅ ❌
Multitenancy ✅ ❌
CAR Deployment ✅ ✅
Hot deployment ✅ ❌
21

22. Brownfield
Integration
with
WSO2 Enterprise
Integrator
22

23. Implementation of Key Functionality
Requirements
• Transformation
• Routing
• Orchestration
• Protocol Switching
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24. Transformation
New System Brownfield
Existing
System
• Ability to transform any format to any format
• Data mapping
• Enrich payload
• XSLT
Data Mapper,
Enrich,
Payload Factory,
XSLT Mediators
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25. Transformation - Visual Data Mapping
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26. Routing
New System Brownfield
Existing
System
A
Existing
System
B
Routing based on
• Content
• Headers
• A property of the message
• Environment
Switch, Filter
Mediators
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27. Orchestration
New System Brownfield
Existing
System
A
Existing
System
B
Existing
System
C
1
2
3
Synchronous
service
invocations
with
underlying
Asynchronous
non-blocking
thread model
Call
Mediator
27

28. Protocol Switching
New System Brownfield
Existing
SystemHTTP
JMS
Receive over
any protocol
and
deliver over
any protocol
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29. Extending the Functionality
• Extension points are available in each layer of the ESB
architecture
• Extensions can be written using Java and plugged into
the runtime
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30. Extension Points
• Script mediator
• Connectors
• Custom/Class mediators
• API handlers
• Custom tasks
• Custom inbound endpoints
• Custom message
stores/processors
• Custom XPath functions
• Synapse handlers
• Axis2 handlers
• Axis2 modules
• Message builders and formatters
• Transport listeners and senders
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31. Custom/Class mediators
• Most popular extension point
• Can build your own mediator easily to cater customized
message processing
• When to use Custom/Class mediators
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32. Connectors
• Add-ons for ESB runtime
• Over 150 ready-made
connectors available in WSO2
store
• Can build your own connector
easily
- Using SDKs
- Using web APIs
32

33. Transport Listeners and Senders
• Custom transport listeners and senders allows to
communicate over custom protocols
33

34. Brownfield Integration with Different Types
of Systems
• Integration with systems that talk in standard protocols
• Integration with systems that talk in non-standard/
proprietary protocols
• Integration with file-based systems
• Integration with systems that use databases
34

35. Integration with Systems That Talk in
Standard Protocols
Support for wide range of
standard protocols
• HTTP/HTTPS
• JMS
• AMQP
• FTP/SFTP/FTPS/SMB
• SMTP/IMAP
• MQTT
• KAFKA
• And many more
SMTP
HTTP
JMS
FTP
Websocket
35

36. Integration with Systems That Talk in
Standard Protocols
HTTP/API
Public Private Organization
Existing
System
FTP
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37. Integration with Systems That Talk in
Non-standard/ Proprietary Protocols
• Built in support for well-known proprietary protocols
E.g. SAP
• Easy to extend the functionality to introduce new
protocols
37

38. HTTP/API
Public Private Organization
Existing
System
Non Standard
Protocol
Connector
38
Integration with Systems That Talk in
Non-standard/ Proprietary Protocols Cont.

39. Example Scenario on Integration Over
Proprietary Protocol
TCP
Public Private Organization
Existing System
TCP
Protocol
39
Deprecate TCP EP
Service Provider
Problem
<request>message01</request>#<re
quest>message02</request># ……..
<response>message01</response>#
<response>message02</response>#
……..

40. Example Scenario on Integration Over
Proprietary Protocol Cont.
HTTP/S
Public Private Organization
Existing System
TCP
Protocol
Custom TCP
Listener / Sender
40
Service Provider
Solution
TCP
<request>mes
sage01</requ
est>
<response>m
essage01</re
sponse>#<res
ponse>messa
ge02</respon
se># ……..
<request>mes
sage01</requ
est>#<reques
t>message02
</request>#
……..
<response>m
essage01</re
sponse>

41. Integration with Files-based Systems
• A lot of legacy systems still use files as the medium to
integrate with other systems
• WSO2 Enterprise Integrator supports a wide range of
file transferring protocols such as FTP, SFTP, FTPS, and
SMB
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42. File Handling Use Cases
Listen to a location, pick files, and invoke a web API using
the content of the files
File HTTP
Web API
Invocation
Existing Legacy
System
42

43. File Handling Use Cases
Expose a file-based system as an API over HTTP protocol
FileHTTP
Existing Legacy
System
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44. Integration with Systems That Use Databases
Expose databases or other data sources as services
HTTP
44

45. Conclusion
We discussed:
• Brownfield integration
• WSO2 Enterprise Integrator
• How to do brownfield integration with WSO2 Enterprise
Integrator
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46. THANK YOU
wso2.com
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