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description
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Agile SOA:Application development in the new enterprise
24 May 2010
Paulo Rosado
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Traditional
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Analysis
Design
Development
Testing
3-6 months 6-12 months
10x – 50xmore expensive
$1
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Agile works better
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Agile Do things incrementally
Involve the business continuously
Release, asap
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2 weeks 2 weeks 2 weeks 2 weeks 2 weeks$1 3x – 5x
Agile MethodologiesProjects are delivered incrementally. Software gets
corrected constantly based on Business Users feedback.
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Less software“45% of features will never be
used. I wish I knew which ones”
Features and Functions Used in a Typical System
Never45%
Rarely19%
Sometimes16%
Always7%
Often13%
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Functional softwareExactly what is needed.
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Reprioritize features for next sprint
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Flexible softwareAligned with Business
Changes
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Adopted softwareFlexibility is extended into
roll-out phases
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Tune application
after launch
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IT becomes a Strategic asset… instead of a cost center
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Agile is hard
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“don’t ever mention that again around here […]
agile is a banned word in this organization”
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People
Processagile
ArchitectureSOA
Tools + infrastructur
e
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SOA
Break software in state full components
Connect loosely
Use one common protocol
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ExampleCustomer Portal
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Existing systems
ProductCatalog(custom
build)
OrderManagement
(ERP)
Customer Portal
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SOA architecture
ProductCatalog(custom
build)
OrderManagement
(ERP)
Show Products
ProductService
front-endcomposite
back-endcomposite
orservice
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Different SLAsCache data in the service, periodically
9 to 5Order
Management(ERP)
Show Products
Product Service
ProductsCache
24 by 7
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Different SLAsService needs to scale
OrderManagement
(ERP)
Show Products
Product Service
ProductsCache
500 requests/sec
10 trans/sec
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New data neededNot possible to add it to legacy Master of
Records
OrderManagement
(ERP)
Show Products
Product Service
ProductsCache Too much
change. Not
possible!
PhotosDescriptions
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New data needs managementBackoffice of the Portal?
Too much change. Not
possible!
OrderManagement
(ERP)
Show Products
Product Service
ProductsCache
Online Product Mngmt
PhotosDescriptions
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SOA architectureInside the Service?
Too much change. Not
possible!
OrderManagement
(ERP)
Show Products
Product Service
ProductsCache
Online Product Mngmt
PhotosDescriptions
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SOA frameworkMust-have capabilities
Too much change. Not
possible!
OrderManagement
(ERP)
Show Products
Product Service
ProductsCache
Online Product Mngmt
PhotosDescriptions
• WS protocols• Logic • Scalable• Integration• Database• Scheduling• …and more.
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Front-End Composites frameworksObvious capabilities - mashups
ProductCatalog(custom
build)
OrderManagement
(ERP)
Customer Portal
ProductService
• Web 2.0• Logic• WS protocols• Scalable• …and more.
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New data keeps pilling upNot obvious it should be added to a Service
ProductCatalog(custom
build)
OrderManagement
(ERP)
Customer Portal
ProductService
Wish List
CustomerTracking
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Workflows & notifications
ProductCatalog(custom
build)
OrderManagement
(ERP)
Customer Portal
OrderService
Emails w/ order updates
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Front-End Composite frameworksExtra capabilities
ProductCatalog(custom
build)
OrderManagement
(ERP)
Customer Portal
ProductService
• …•Database• Workflows• Notifications
OrderService
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The impact of Agile
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Changes ripple through the whole architecture
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Different teams. Different processes
ProductCatalog(custom
build)
OrderManagement
(ERP)
Customer Portal
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Speed is driven by the slowest
ProductCatalog(custom
build)
OrderManagement
(ERP)
Show Products
ProductService
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Most effective scenario
ProductCatalog(custom
build)
OrderManagement
(ERP)
Show Products
ProductService
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Continuous integration is a must
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Automatebuild/test/staging/deploy
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Performance & ScalabilityWhat happens when a web page takes 5 sec to render?
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Multiple choke pointsInstrument all dependencies
9 to 5Order
Management(ERP)
Customer Portal
Product Service
Slow service?
Slow legacy
access?
Slow db access?
Infrastructurecollapse?
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Architecture is driven by project needs
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Front-ends “attract” functionality
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Refactor Services out of the Composites
ProductCatalog(custom
build)
OrderManagement
(ERP)
Customer Portal
ProductService
CustomerTracking
CustomerService
CustomerTracking
… and more.
Call Center
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On-demand SOABottom-up instead of top-down
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Agile SOA When you reach a
tipping point
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Agile SOA Services/composites are categorized in
“fast” and “slow” change
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Agile SOA Projects decrease in Time and Effort
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Agile SOA 3 classes of teams
SOA Governance toolsProject Management
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Agile SOA Managing change backlog is organized by
business line
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Agile SOA Excels are sucked into central databases
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Agile SOA Hidden legacy data is sucked into services
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Agile SOA Real-time reporting
Analytics
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Agile SOA successTechnology vs. People
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• Web 2.0 • Workflow/Processes• Biz Logic • Integration• Database• WS protocols• Scheduling• Notifications
• Business centric• Stable team• Senior people• Collaborative• Communication
Technology vs. People
• Scalable
• SOA governance
• Refactoring
• Integrated life cycle
• Performance Instrumentation & Management
• Project Management
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OutSystemsMarketing Pitch
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Where does it fit?
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agileplatform
The Agile PlatformFront-end Web 2.0 enterprise applications
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agileplatform
The Agile PlatformComplete Agile SOA platform
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agileplatform
agileplatform
The Agile PlatformCoexist with ESBs
Enterprise Service Bus
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agileplatform
agileplatform
The Agile PlatformCoexist with BPMS
Enterprise Service Bus
BPMS
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Customers135 enterprises in 16 industries (7 countries)
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Over 600 apps delivered
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Thank you.Get this presentation at
http://bit.ly/agile-soa
paulo.rosado@outsystems.com