AWS Community Day CPH - Three problems of Terraform
Delivering the Promise of SOA - Enterprise Integration Made Easy
1. Delivering the Promise of SOA - Enterprise Integration
Made Easy WSO2 ESB
Dushan Abeyruwan
Senior Software Engineer
WSO2 ESB
February 2012
2. Overview
Introduction
Demo 1
EIP Service chaninig /Split/Aggregate (Agent request service)
Demo 2
EIP Store and Process (Agent registration process)
3. WSO2
• Founded in 2005 by acknowledged leaders in XML, Web
Services Technologies & Standards and Open Source
• Producing entire middleware platform 100% open source under
Apache license
• Business model is to sell comprehensive support & maintenance
for our products
• Venture funded by Intel Capital
• Global corporation with offices in USA, UK & Sri Lanka
• 100+ employees and growing
4. SOA & ESB
• SOA
The underlying structure supporting communication
between services
• ESB
ESB is considered as the backbone of a robust SOA
It integrates all the internal systems as well as external
systems of the enterprise
7. Introducing WSO2 ESB...
• Based on WSO2 Carbon (Modular Middleware)
and Apache Synapse
• Designed to be asynchronous
o Based on Synapse core with non blocking I/O
• Open source with commercial support
o Apache Software License v2.0
• Rich collection of built-in features supporting
any integration scenario or EIP
• Customizable by adding/removing features
8. Heterogeneous service integration
Comprehensive WS Specs and SOAP support
HTTP/SwithREST/POX
Adapters for various IndustryStandards
SAP
Financial Informatione Xchange(FIX)
Health Level7(HL7)
VFS(File/FTP/SFTP)
JMS
SMTP
SMS
9. WSO2 ESB Components–In a nutshell..
Messaging and service Mediation
Managing and transforming messages
Mediating messages coming in to the specific proxy hosted on ESB
Mediators
Simplest function of component
Performs predefined function given on message
Sequences
Sequential arrangement of mediators
Proxy Services
Hosting proxy services in ESB
Protocol switching and QoS
End Points
A logical representation of an actual end points, or else collection of
end points wrapped within some logic
12. Service Chaining
• Invoke multiple backend services in a chain fashion for a single
client request
• Response of first backend invocation can be used as request of
second backend invocation.. And so on…
• Conditional chaining based on responses of backed services
Request - Response Service 1
Request - Response Service 2
Request - Response Service 3
13. Agent Requesting Life Insurance Policy Detail scenario
Agent ID
•Check Agent validity
Valid/Invalid
Agent Validate
•Requesting Clients
Agent Request info per Agent Agent ID
•Perform transfer
Response Agent own customer info
Life Insurance
Customer service
•Requesting policies
per customer
Client ID
•Perform transfer
•Policies for customer
Customer Policies
Service
14. Message Splitting and Aggregation
• Request consists of multiple elements which can process
individually
• Collect and store individual messages until a complete set of
related messages has been received.
• Create a single message distilled from the individual messages
18. Dead Letter Channel
• Push failed message into a message store if sending failed
• Automatic/Manual retry using Forwarding message processor
• Resembles to “dead letter channel” EIP
19. Agent Registration process
Request Agent Register
Invoke UeserRegister Proxy
MessageStroe
MessageStroe Processor
User Register Service
22. WSO2 engagement model
• QuickStart
• Development Support
• Development Services
• Production Support
• Turnkey Solutions
• WSO2 Mobile Services Solution
• WSO2 FIX Gateway Solution
• WSO2 SAP Gateway Solution