Mule ESB

Real World Integration Challenges
and Enterprise Service Bus (ESB)

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)

Benefits of Software Integration
Cost saving
Time saving
Rapid adaptation to new changes
Better customer and self service

Integration Patterns
Peer-to-Peer

Client-Server / Hub ‘n Spoke

Enterprise Application Network

Service Oriented Architecture (SOA)
resource, also known as service, is the
primary structuring element and building
block in SOA.
SOA is an enterprise-scale architecture
for linking resources on demand. A

Services are discrete sets of functionality
that are loosely coupled but can be used
together in order to fulfill a business need.

Check
Balance

Withdraw Cash
Cash Withdrawal
Service
Update Balance
Check Balance

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.

Enterprise Service Bus

Key features:
Intelligent Routing
Reliable Messaging
Data Transformation

Mule ESB
Mule ESB is a lightweight Java-based ESB
and integration
developers to
platform that allows
connect applications
together quickly and easily, enabling them
to exchange data.

Mule ESB
Mule ESB
existing
enables easy integration of
systems, regardless of the
different technologies that the applications
use, including JMS, Web Services, JDBC,
HTTP, and more.

Mule ESB
Reasons to use Mule ESB:
Open Source
Platform Independent
Service Hosting/Creation
Service Mediation
Multi-protocol support

Mule ESB
Reasons to use Mule ESB:
Transparent
Vendor-neutral
API independent
Supports POJO (Plain Old Java Object)
Multiple Topologies

Mule ESB
Routers
Filters
Transformers
Endpoints

Mule Configuration
XML File
Model
Service
Inbound
Outbound
Component
Transformer
Transformer

Mule Example
A Basic Example:
Inbound: Standard Input Console
Outbound: Standard Output Console
Component: POJO
Connector

Mule Example
Loan BrokerStandard
I/O Console
POJO
Web Services
SOAP/Http

Mule ESB
String
Long
Double
Int
Name;
CNIC;
Amount;
Duration_In_Months;
Customer Inputs:
Somename,123456,15000,5

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%

Mule ESB
Bank’s Input
CNIC : Amount : Duration : AgencyResponse
123456789:15000:2:“Eligible”
Bank’s Output
0.442354

Mule Example
Loan Broker
Standard
I/O Console
Web Services
SOAP/Http
POJO
FTP

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%20Pattern
s%20-%20PLoP%20Final%20Draft%203.pdf
http://oss.org.cn/ossdocs/soa/mule/1.3/LoanBroker%20ESB_attachments/ja
vazone-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/C4123D8EF6D
3234E852573A3005C7161/$File/rc24437.pdf
http://www.nitrd.gov/subcommittee/sdp/vanderbilt/position_papers/steven
_ray_the_future_of_software.pdf

Mule ESB

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Mule ESB