This whitepaper takes a deep dive into ESBs (Enterprise Service Bus) covering trends, integration best practices, various ESB solutions available in the market, an overview of Mule ESB and it also looks at some of the points to bear in mind while choosing an ESB solution.

1. DRIVINGHIGHVALUEBUSINESSSERVICES
WITHENTERPRISESERVICEBUS(ESB)
Salesforce
SOAP
REST
</>
ENTERPRISESERVICEBUS
ENDEAVOURMOBILE.CLOUD.ANALYTICS.
TM

2. Asenterprisecollaborationandconnectivitygaincenterstage,theneedforrobustdistributedsystemsandeffective
applicationintegrationincreases.EnterprisesacknowledgetheimportanceofadoptingServiceOrientedArchitecture
(SOA)infacilitatingquickandseamlessenterprisewideapplicationintegration,andbuildingscalableandextensible
systems.TheintegrationmodelsunderSOAhaveevolvedfrompoint-to-pointandhubandspoketothelatestandmore
effectiveEnterpriseServiceBus(ESB)architecture.
ThispaperillustratestheadvantagesofESBsuchas:
IthighlightshowESBnotonlyenableseffectiveconnectivitybetweenapplicationsbutalsoreducesthecomplexityinthe
integrationprocess.Inrecenttimes,severalESBplatformshaveenteredthemarket.Ofthese,opensourceESBproducts
builtonopenstandardsofferbetterflexibility,scalabilityandinteroperability.Thepaperelaboratesthebenefitsofsomeof
theleadingESBsolutions,withspecialfocusonMuleESBandalsodiscussesafewleadingtrendsdrivingtheadoptionof
ESB.
PEOPLE PROCESS
SOAServiceOriented
Architecture
EmpowerDecisionMakers AlignITWithBusinessOperations
PRACTICE
EmployBestPracticeMethodology
PLATFORM
IncreaseOperationalEfficiency
Reduceddevelopmentandintegrationtime
Efficientcommunicationandprocesses
Improvedcustomerinteractions
Increasedprofits
Abstract
1of8

3. EMBRACINGQUICKANDFLEXIBLEINTEGRATIONWITHESB
EVOLUTIONOFTHEINTEGRATIONARCHITECTURE
LEADINGTRENDSINESB
ANOVERVIEW OFLEADINGESBSOLUTIONS
GAININGCOMPETITIVEADVANTAGEWITHENTERPRISESERVICEBUS
CHOOSINGTHERIGHTESBPLATFORM
THEOPENSOURCEATHEOPENSOURCEADVANTAGE
ANOVERVIEW OFMULEESB
IMPROVINGINVOICEMANAGEMENTWITHMULEESB:ACASESTUDY
GAINGREATERRETURNSFROMSOAWITHTHELATESTINTEGRATIONTECHNOLOGY
AUTHORS
ABOUTENDEAVOUR
PAGENO.
EMBRACINGQUICKANDFLEXIBLEINTEGRATIONWITHESB
EVOLUTIONOFTHEINTEGRATIONARCHITECTURE
LEADINGTRENDSINESB
ANOVERVIEW OFLEADINGESBSOLUTIONS
GAININGCOMPETITIVEADVANTAGEWITHENTERPRISESERVICEBUS
CHOOSINGTHERIGHTESBPLATFORM
THEOPENSOURCEA
EMBRACINGQUICKANDFLEXIBLEINTEGRATIONWITHESB
EVOLUTIONOFTHEINTEGRATIONARCHITECTURE
LEADINGTRENDSINESB
ANOVERVIEW OFLEADINGESBSOLUTIONS
GAININGCOMPETITIVEADVANTAGEWITHENTERPRISESERVICEBUS
CHOOSINGTHERIGHTESBPLATFORM
THEOPENSOURCEATHEOPENSOURCEADVANTAGE
ANOVERVIEW OFMULEESB
IMPROVINGINVOICEMANAGEMENTWITHMULEESB:ACASESTUDY
GAINGREATERRETURNSFROMSOAWITHTHELATESTINTEGRATIONTECHNOLOGY
AUTHORS
ABOUTENDEAVOUR
THEOPENSOURCEADVANTAGE
ANOVERVIEW OFMULEESB
IMPROVINGINVOICEMANAGEMENTWITHMULEESB:ACASESTUDY
GAINGREATERRETURNSFROMSOAWITHTHELATESTINTEGRATIONTECHNOLOGY
AUTHORS
ABOUTENDEAVOUR
THEOPENSOURCEADVANTAGE
ANOVERVIEW OFMULEESB
IMPROVINGINVOICEMANAGEMENTWITHMULEESB:ACASESTUDY
GAINGREATERRETURNSFROMSOAWITHTHELATESTINTEGRATIONTECHNOLOGY
AUTHORS
ABOUTENDEAVOUR
THEOPENSOURCEADVANTAGE
ANOVERVIEW OFMULEESB
IMPROVINGINVOICEMANAGEMENTWITHMULEESB:ACASESTUDY
GAINGREATERRETURNSFROMSOAWITHTHELATESTINTEGRATIONTECHNOLOGY
AUTHORS
ABOUTENDEAVOUR
TITLEOFTHECONTENTS
3
3
4
4
5
5
6
7
8
8
9
9
Contents
2of8

4. ServiceOrientedArchitecture(SOA)enablesenterprisestostreamlinetheintegrationoftheirenterprise-wide
systemsandservices,makingthemscalableandextensible.Manydistributedsystemsusewebservicesand
aredesignedbasedonSOAprinciples.UnderSOA,systemsarebuiltusinglooselyconnectedservicesthat
senddatatocommunicatewitheachother.
SOAprovidesreliablemethodsandrulesformanagingandimplementingthesedifferent
components.Itfacilitatesseamlessexchange ofinformation acrosssystemsand
platforms.
Mostoften,EnterpriseServiceBus(ESB)architectureisusedtosupportSOAdriven
applicationintegrations.SOAandtheenablingESBshelpconnectpeople,processesand
applicationstobuildbettersynergiesbetweenITandbusiness.AnESBservesasan
infrastructuresoftwareservice-orientedmodelandarouterthateffectivelycontrolsdata.
Itthusprovideseffectiveconnectivitybetweenapplications,reducingthecomplexityin
theintegrationprocess.ESBcomprisesaruleenginethatcanbeusedtotransformdata
content,supportcomplexmessageexchange,andexecuteservices.Apartfrom basic
applicationapplicationintegration,itsupportsdeployment,administrationandmonitoringinreal
time.
Keycomponentsinvolvedinbuildingadistributedsysteminclude:
ApplicationProgramInterfaces(APIs)
Servers
Databases
CommunicationNetworks
EmbracingQuickandFlexibleIntegrationwithESB
AnESBserves
asan
infrastructure
software
service-oriented
modelandarouter
thateffectivelythateffectively
controls
data
TherearethreekeyintegrationmodelsthathaveevolvedinrecenttimesunderSOA:
P2Pisakeyapproachthatenablesgreaterinteroperability.Itdirectlyconnectsthevariousservicesofasystem,facilitating
fasterflowofdatathroughintegratedsystems.P2Pisbestapplicablewherebusinessteamshavegreatercontroloverthe
networkanditscomponents.
Thebusarchitecturehasevolvedfromtheearlierhubandspokemodel,andlinksservicesusingintegrationserversand
adapters.Wewillbefocusingonthisarchitectureinthefollowingsections.
Inthisarchitecture,aspecificservice,alsocalledaspoke,actsasahubandinteractswithotherservices.Servicesthatneed
tobeintegratedinthesysteminteractwiththehub,whichinturn,interactswithotherservices.Thisarchitectureprovidesa
scalabledatamodel,enablescentralizeddataprocessingandreducestheneedformaintenance.Hubandspoke
architecturecanbeeffectivelyappliedinbusinesssituationswheredataaccuracyisnotthepredominantobjective.
EvolutionoftheIntegrationArchitecture
Point-to-Point(P2P)01
03
02
Enterpriseservicebus:
HubandSpoke
3of8

5. HerearesomeofthepopulartrendsaroundESB:
Mulesoft,Talend,Oracle,SAPandIBMprovidesomeoftheeffectiveESBplatforms.Hereisabrieflookattheadvantages
offeredbyeachsolution:
OfferedbyMulesoft,thisisanopensourceESBsolutionwithpowerfulcapabilities.Itcan
beeffectivelydeployedinscenariosthatcallforafewintegrationpointsoratleastthree
applicationsto integrate.Mule allowsusersto scale smoothlyand integrate more
applicationsovertime.
TalendESBcanbedeployedindependentlyoralongwithothercomponentsofTalend’s
unifiedplatform.ThesolutionisbasedonseveralintegrationstandardssuchasApache
Camel,ApacheCXF,ApacheKarafandApacheZookeeper.
OfferedbyOracle,OracleServiceBusisacomponentofOracleFusionMiddleware(OFM)
stack.Itprovidespowerfulandstabletoolsandgraphicaleditorsformostproducts.Oracle
alsoofferssupportformostservicelevelagreements.
SAP’sSOA middlewareincludesanEnterpriseServicesRepositoryandRegistry,an
EnterpriseServicesBus(ESB),andSOAmanagementtools.SAPSOAmiddlewareserves
asanopenandstandards-basedplatformthatenablesenterprisestoacceleratebusiness
integration.
IBM offersWebSphereEnterpriseServiceBusthatservesasaflexibleconnectivity
infrastructureforintegratingapplicationsandservices.Ithelpsenterprisesimplementnew
servicesfaster,changeserviceseasily,anditalsoenablesthem toreusetheirexisting
assets.
talend*
ESB
ESBmule
LeadingTrendsinESB1
1http://www.grandviewresearch.com/industry-analysis/enterprise-service-bus-suite-industry
2http://www.infoq.com/articles/ESB-Integration
3http://help.sap.com/saphelp_nwpi711/helpdata/en/70/e6b9f493bd4cba98b469bb698e2c88/frameset.html
AnOverviewofLeadingESBSolutions2
Increasedadoptionofcloudbasedsolutions:
Withtheadventofcloud,organizationsareabletoleverageESBsolutionsatalowerprice.Smallandmedium
businessesarequickeratadoptingcloud-basedESBsolutions,whileseverallargerenterprisesarealsoconsideringthe
shift,owingtobenefitslikecost,flexibilityandscalability.
Currently,vendorspecificsoftwareneedstobeinstalledontargethardwareforESBimplementations.Duetothehigh
costsinvolved,organizationsareexploringtheadvantagesofintegratedESBsolutions.
WiththerisingneedforBPMandautomation,thedemandforESBsolutionsisexpectedtogrow.Therewillbea
markedincreasedinadoptionofESBsolutionsinthebankingandtelecomindustries,whichmakeconsiderable
investmentsinIT.
Growthofintegratedsolutions:
Growingimportanceofbusinessprocessmanagement(BPM)andautomation:
3
SAP
SERVICEBUS
4of8

6. 5of8
GainingCompetitiveAdvantagewithEnterpriseServiceBus
EnterpriseswithseveralinterfacescanstreamlineprocessesbyadoptingESB.ESBsimplifiesITmaintenanceandenhances
thevalueofexistingITinvestments.Enterprisescanthusfocusontheircorebusinessobjectivesandefforts.Itdrives
increasedbusinessagilitybyprovidingcomprehensivebenefits.Byeliminatingpoint-to-pointintegration,ESBfacilitates
quickandflexibleintegration,therebydrivingdowncosts.
ChoosingtheRightESBPlatform
EnterprisesseekingtoembraceSOAneedtodevelopandimplementnewservicesandlegacyapplicationsthatenablethe
same.ThekeyaspectistointegratetheseservicesandapplicationsusingESB.Toachievethisgoal,theyrequiretheright
ESBplatformwithrelevanttoolsthathelpcreaterobustsolutions.
AneffectiveESBsolutioncomprisesthefollowingbasicfeatures:
ESBfacilitateseffectiveauthorizationandauthenticationandeliminatessecurityrisksastheadapters
comewiththeirownsecurityframework.Byenablingefficiententerprisewideintegration,ESBhelps
organizationsdeploydifferenttechnologyplatformsandhavevaryingcommunicationstandards.The
architectureenablesthisbyeffectivelymaskingdifferencesamongdifferentplatforms,software
architectures,andnetworkprotocols.
ESBhelpsenterprisesrealizethefollowingbusinessbenefits:
ChoosetherightESBplatformwithrelevanttoolsthathelpcreaterobustsolutions
WithESB,enterprisescancreateandleveragenewbusinessserviceswithoutaffecting
theirexistingITenvironment.Theycanalsoachievegreaterefficiencyandfastertime
tovaluewithsimpleandeasilydeployablecomponents.Itisalsopossibletosimplify
and accelerate enterprise-wide distribution ofinformation.Apartfrom this,the
architecturedeliversinformationevenwhenafewsystemsornetworksareoffline.
Enterprisescanalsodoawaywithrewritingapplicationsinordertore-route,logor
updateinformation.Furthermore,ESBallowsforincrementalsolutionimplementation,
eliminatingtheneedforchangingservicesandapplicationssimultaneousleliminatingtheneedforchangingservicesandapplicationssimultaneously.
Managefrequentandquickbusinesschanges
Reducetotalcostofownership(TCO)byleveragingexistingsystems
ESBhelpssave
50%of
developmenttime
ascomparedto
other
programming
languageslanguages
Afterfirstapplication
integration,the
remaining
applicationscanbe
integratedin
approximately
one-thirdoftheone-thirdofthe
effortandtime
Convertsmessagesintoaformatcompatiblewiththeuserapplication
Acceptsmessagessentinallprotocolsandconvertsthemtotheformatcompatiblewiththeendconsumer
Routesinformationtoappropriateendconsumersusingpre-definedrulesanddynamicallycreatedrequests
Capturesmissingdatainincomingmessagesandenablesuserstofixthedatabeforedelivery
Monitorsthesystemperformanceandtheflowofmessages
Managesmessagesinasecuremanner
Increaseprocessefficiencytoreduceapplicationandintegrationcosts
Acceleratethecreationofnewbusinessprocesses
Efficientlymanageend-to-endprocessesbetweenapplications
Beagileenoughtocapitalizeonnewmarketopportunitiesandpossibilities
1
5of8

7. 6of8
AwidespectrumofESBsolutionsareavailableinthemarket.Ontheonehand,therearetraditionalEnterpriseApplication
Integration(EAI)productsthathavebeenmodifiedtoofferfunctionalitiesrelatedtoESB.Ontheother,wehavesolutions
thathavebeenspecificallycreatedfromgroundupbasedonopenmessagingandintegrationstandards.
HerearesomeofthekeycriteriaforevaluatingESBplatforms:
ThetopfeaturesofMuleESBincludethefollowing4
:
4
https://www.mulesoft.com/resources/esb/what-esb
Proprietarysolutionsofferasuiteofcomprehensivefeaturesandstrongsupport.Thistranslatesintohighercostsand
complexity.OpenSourceESBsthataredevelopedandcontinuouslyimprovedbydevelopercommunitiesarebestsuited
forSOAbasedintegrations.Theyarenotonlycosteffectivebutalsoprovidedirectaccesstotheircode.
Strictlybasedonopenstandards,opensourcesolutionsareflexibleandagile,andoffergreaterinteroperability.Oneofthe
leadingopensourceESBsolutionsisMuleESBofferedbyMulesoft.
MuleESBisthemostlightweightintegrationplatform.Its
fullyloadeddistributionweighsat40MB.Italsofacilitates
changestoexistingintegrationsatreducedcosts.Mule
alsomakesiteasytore-order,addorchange
functionality.
Lightweight:
Scalable: Messageagnostic:
Mule is designed forhorizontalscale on commodity
hardware.Itsruntimecanbeeasilyembeddedintoan
application.
Cloudready:
CloudHubapplicationsthatenableapplicationarchitecture,hostingandmonitoringofintegrationrunonMulestandalone
andviceversa.
SinceMule’scontainerismessageagnostic,itdoesnot
forceXMLmessagesonitsusers.
ItusescommontoolsfamiliarwithJavadevelopers,suchas:
Accessible:
Isthesolutionahighspeedbusthatsupportsallkeyintegrationaswellasmessagingparadigms?
Doestheplatformenablelegacyautomation?
Istherecloudsupportforinfrastructurehostingandintegration?
Doesthesolutionfacilitatevisualmapping?
IsdynamicscalingofESBpossible?
Doesitprovideahighlyavailableclusteringmodel?
Arein-memorycapabilitiesbuiltintothesolution?
Areadaptersfortechnologiesandbusinessproductspartofthesolution?
Doesthesolutionprovideadequatetechnologysupporttoensuresmoothmanagementoftheproductionenvironment
andeffectiveadherencetoSLAs?
TheOpenSourceAdvantage
6of8

8. TheaboveimageillustratestheMuleESBarchitectureanditscomponents.Here,MuleESBconnectsthirdpartysystems
relatedtofieldservicessuchassalesandmarketingwithlegacysystemsofacompanyusingJSON–adataexchange
format.Thishelpsfeedthefieldservicesrelateddatatothecompany’slegacysystems
SalesForce ActiveDirectory
ThirdPartySystems
Legacy
Systems
Invoice
Management
JSON
SOAP/
XML
MULEESBSYSTEMS
FileConnector
DataMapping
PROPOSED EXISTINGSYSTEMS INTEGRATIONPOINTS
ExceptionHandlerExceptionHandler
TransactionManagement
Routing
MessageBroker
Transformation&Security
Logger
DataValidator
SFTP
ThethirdpartyfieldservicesprovidedatainanExcelfile,whichisthenplacedintheSFTPfolder.Muleenableseffective
communicationbetweentheintegratedsystemsthroughthefollowingsteps:
TheapplicationusestheSMTPConnectortosendemailnotificationstostakeholdersonissuesandfailures,triggering
correctiveactionsandensuringsmoothprocessinginatimelymanner.TheapplicationcancommunicatewithMuleESB
usingaJSONservicecallAPI,andasanalternative,itcanuploadafiletotheESBforprocessingtherequest.TheMuleESB
offersasetofefficientdataintegrationcapabilitiestomapdifferentfileformats.Furthermore,themulestrengthenssecurity
byusingsecurehttpswithOAuth2.0foreffectiveidentitymanagement.
ReadsthefilesfromSFTPusingSFTPconnector
TransformsthedatausingDataMapper
Validatesdatausingcustomvalidator
TransformsdataintoaformatacceptabletothelegacysystemsusingDataMapper
CallsaWebserviceapplicationexposedbyworkday
Usesloggerswhereappropriatetologtheinformationforeffectivedebugging
AnOverviewofMuleESB
7of8

9. Aleadingprovideroftechnologyanddata-drivensolutionstorealestatecustomers,agents,andcompanies
engagedinmortgageloans,facedchallengesininventorymanagement.Endeavourhelpedthecompanyto
eliminatemanualprocessesbyleveragingMuleESB,reducingtimetakentoprocesslargenumberof
records,anddrivinggreaterefficiencyandbetteroutcomes.
Overview:
Multipledisparatesystemsusedbytheclientforinvoicinggeneratedreportsinvaryingandinconsistent
formatsatregularintervals.Thesereportsweremanuallyconvertedtoaworkday(invoicemanagement
system)compatibleformatbeforegeneratinginvoices,requiringsubstantialtimeandeffort.
Challenge:
Toovercomethechallenges,Endeavourconnectedtheclient’sinvoicingsystemstoMuleESB.TheESB
fetchesdatafromthesesystemsatconfiguredintervals.Afterperformingbasicvalidations,itconvertsthe
datathatisproprietarytothelegacysystem.Italsocreatesavaultforstoringinvalidrecordsthatarelater
inspectedmanuallyforeffectiveremediation.Attheendoftheprocess,stakeholdersreceiveasummary
reportcontainingdetailssuchasthenumberofrecordsprocessed,timetakenforprocessing,etc.
Solution:
Endeavourenabledtheclienttocut-downthedevelopmenttimeby50%,usingMuleESB,andfurther
reducedthattimeby1/3rd,forfutureintegrations.TheESBintegrationensuredthattheneedformanual
interventionwasveryminimalandthattheprocessingcyclewasfaster,enablingtheclienttoprocessover
45,000recordsinlessthan7hours.Wealsoportedtheapplicationfrom theEnterpriseeditiontothe
Communityedition,therebysavingtheclient100,000USDperannum.
Result:
EnterprisescaneffectivelyorchestrateSOA drivenserviceswiththeuseofESB thatreplacestheoldgeneration
message-orientedmiddleware.ArobustESBsolutionfacilitatesseamlessintegrationbasedonthesource,communication
protocolsandintegrationobjectives.Fromitsinitialroleofprovidingamessaginglayerforapplicationstocommunicate
witheachother,ESBhasevolvedtobecometheveryfoundationofSOAdeployments.Itnoweffectivelyfacilitatesweb
services.ByadoptingESBasthebackboneoftheirITinfrastructure,organizationscandriveagilityandreducetimeto
marketfornewservices.
ImprovingInvoiceManagementwithMuleESB:ACaseStudy
GainGreaterReturnsfromSOAwiththeLatestIntegrationTechnology
8of8

10. 7of11
EndeavourSoftwareTechnologieshasbeenonthecutting-edgeofdeliveringEnterpriseDigitalTransformationsolutions
toFortune500companiesandSMEsspreadover30countries,since2002.EndeavourspecializesinMobility,Cloud
EnablementandDataAnalytics.Ourteamof600+expertshelpsorganizationsembracedisruptivetechnologies,arming
them withbespokesolutionsthataugmenttheirbusinesscapabilities.EndeavourisheadquarteredinAustin(TX),with
state-of-the-artglobaldeliverycentersinBangalore,Dallas,LondonandSingapore.
AboutEndeavour
ENDEAVOURSOFTWARETECHNOLOGIESINC.
Austin(HQ)|Dallas|SanFrancisco
+15124641218
London
+6597209062
Bangalore
+918042885500
Singapore
+6597209062
Copyright©2015EndeavourSoftwareTechnologiesInc.
Allrightsreserved.EndeavourSoftwareTechnologiesandEndeavourlogoareregisteredtrademarksofEndeavourSoftwareTechnologiesInc.
www.techendeavour.com
DwarakL.N.headstheTechnology
Competency Group (TCG) at
Endeavour Software Technologies
andenablescustomerstobuildtheir
enterprisemobilitystrategy.Dwarak
plays an instrumental role in
developingtechnicalcompetencyin
the organization and consults with various
cross-functionalteamstoensuresuccessfulexecutionof
projects.Drivenbyhispassionformobiletechnology,he
focusesonresearchingemergingmobilitytrends.Inhis
sparetime,Dwaraklikestogivethe38inchwillowawhirl
(cricket)and take long drives through the scenic
countryside.
DwarakL.N.
BasavrajisamemberoftheTechnology
CompetencyGroup(TCG)atEndeavour
Software Technologies.As a Senior
TechnicalArchitect,heisresponsiblefor
creating and selecting the optimum
architecture for various mobility
solutionsdevelopedatEndeavour.
Withmorethanadecadeofexperience,hehashands-on
expertiseworkingonvariousmobileaswellasintegration
platforms.His currentmobility specialization includes
Android,WindowsPhoneandHybridMobileDevelopment
(PhoneGap,Titanium,Xamarinetc.).From anintegration
platform perspective,he specializesin the Mule ESB
platform.
BasavrajBirajdar
Authors