Real World Integration Challenges and Enterprise Service ... · Real World Integration Challenges...
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Real World Integration Challenges and Enterprise Service Bus (ESB)
Punjab University College of Information Technology (PUCIT)
University of the Punjab.
Mian Zeshan Farooqi
Presented in Open Source Series Workshop 2010
22-24 December, 2010 © ICOSST 2010
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Software Integration
Software integration means to assemble the existing applications and
data sources to fulfill the growing requirements of an enterprise.
Also known as: Enterprise Application Integration (EAI)
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Benefits of Software Integration
Cost saving
Time saving
Rapid adaptation to new changes
Better customer and self service
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Integration Patterns
Peer-to-Peer
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Integration Patterns
Client-Server / Hub ‘n Spoke
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Integration Patterns
Pipeline
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Integration Patterns
Enterprise Application Network
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Service Oriented Architecture (SOA)
SOA is an enterprise-scale architecture for linking resources on demand. A resource, also known as service, is the primary structuring element and building block in SOA.
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Service Oriented Architecture (SOA)
Services are discrete sets of functionality that are loosely coupled but can be used together in order to fulfill a business need.
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Service Oriented Architecture (SOA)
Check Balance
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Service Oriented Architecture (SOA)
Cash Withdrawal Service
Withdraw Cash
Update Balance
Check Balance
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Service Oriented Architecture (SOA)
Cash Withdrawal Service
Withdraw Cash
Update Balance
Check Balance
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22-24 December, 2010 © ICOSST 2010
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Enterprise Service Bus (ESB)
An Enterprise Service Bus (ESB) is a
middleware that connects different
applications and/or services together and
allows them to communicate with each
other.
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Enterprise Service Bus (ESB)
Enterprise Service Bus
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Enterprise Service Bus (ESB)
Intelligent Routing
Reliable Messaging
Data Transformation
Key features:
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Mule ESB
Mule ESB is a lightweight Java-based ESB and integration platform that allows developers to connect applications together quickly and easily, enabling them to exchange data.
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Mule ESB
Mule ESB enables easy integration of existing systems, regardless of the different technologies that the applications use, including JMS, Web Services, JDBC, HTTP, and more.
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Why Mule?
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Mule ESB
Open Source
Platform Independent
Service Hosting/Creation
Service Mediation
Multi-protocol support
Reasons to use Mule ESB:
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Mule ESB
Transparent
Vendor-neutral
API independent
Supports POJO (Plain Old Java Object)
Multiple Topologies
Reasons to use Mule ESB:
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Mule ESB
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Mule ESB
Routers
Filters
Transformers
Endpoints
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XML File
Mule Configuration
Model
Service Inbound
Outbound
Component
Transformer
Transformer
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Mule Example
Inbound: Standard Input Console
Outbound: Standard Output Console
Component: POJO
Connector
A Basic Example:
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Mule Example
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Mule Example
Loan Broker
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Mule Example
Loan Broker Standard I/O Console
POJO
Web Services SOAP/Http
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Mule ESB
String Name;
Long CNIC;
Double Amount;
Int Duration_In_Months;
Customer Inputs:
Somename,123456,15000,5
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Mule ESB
Loan Broker Input:
LoanQuoteRequest
Name : String
CNIC : Long
Amount : Double
Duration : Integer AgencyResponse : String
Loan Broker Output:
Bank-1 has the lowest quote of 4.4%
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Mule ESB
Bank’s Input
CNIC : Amount : Duration : AgencyResponse
123456789:15000:2:“Eligible”
Bank’s Output
0.442354
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Mule Example
Loan Broker Standard I/O Console
FTP
Web Services SOAP/Http
POJO
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References http://www.eaipatterns.com/eaipatterns.html http://www.mulesoft.com/mule-esb-open-source-esb http://www.mulesoft.org/documentation/display/MULE2INTRO/Home http://www.mulesoft.org/esb-integration-resources http://hillside.net/plop/plop2002/final/Enterprise%20Integration%20Patterns%20-%20PLoP%20Final%20Draft%203.pdf http://oss.org.cn/ossdocs/soa/mule/1.3/LoanBroker%20ESB_attachments/javazone-2005-mule-real-world-old.ppt ftp://service.boulder.ibm.com/s390/audio/pdfs/G224-7298-00_FinalMigratetoSOA.pdf http://sei.pku.edu.cn/~huanggang/ibmcourse/2006/SOA.pdf http://domino.research.ibm.com/library/cyberdig.nsf/papers/C4123D8EF6D3234E852573A3005C7161/$File/rc24437.pdf http://www.nitrd.gov/subcommittee/sdp/vanderbilt/position_papers/steven_ray_the_future_of_software.pdf
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Presented in Open Source Series Workshop 2010
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