SOA Trends for 2008SOA Trends for 2008

Svetlin NakovSvetlin NakovDirector Training and Consulting ActivitiesDirector Training and Consulting ActivitiesNational Academy for Software DevelopmentNational Academy for Software Development

http://academy.devbg.org

ICB Software Engineering ConferenceICB Software Engineering ConferencePomorie, 13 September 2008Pomorie, 13 September 2008

AgendaAgendaAgendaAgenda

1.1. What is SOA?What is SOA?

2.2. SOA and Web 2.0SOA and Web 2.0

• SOA in InternetSOA in Internet

• SOA in EnterprisesSOA in Enterprises

3.3. SOA Trends for 2008SOA Trends for 2008

1.1. What is SOA?What is SOA?

2.2. SOA and Web 2.0SOA and Web 2.0

• SOA in InternetSOA in Internet

• SOA in EnterprisesSOA in Enterprises

3.3. SOA Trends for 2008SOA Trends for 2008

About The SpeakerAbout The SpeakerAbout The SpeakerAbout The Speaker

• Svetlin NakovSvetlin Nakov

• Director training and consulting Director training and consulting activities, National Academy for activities, National Academy for Software Development (NASD)Software Development (NASD)

• Founder and Chairman of BASDFounder and Chairman of BASD

• 15 15 years of developer experienceyears of developer experience

• 8 8 year as a professional software year as a professional software engineer, trainer and consultantengineer, trainer and consultant

• Author of 4 books, 20 articles, and Author of 4 books, 20 articles, and 50 seminar lectures50 seminar lectures

• Lecturer in Sofia University and NBULecturer in Sofia University and NBU

• Svetlin NakovSvetlin Nakov

• Director training and consulting Director training and consulting activities, National Academy for activities, National Academy for Software Development (NASD)Software Development (NASD)

• Founder and Chairman of BASDFounder and Chairman of BASD

• 15 15 years of developer experienceyears of developer experience

• 8 8 year as a professional software year as a professional software engineer, trainer and consultantengineer, trainer and consultant

• Author of 4 books, 20 articles, and Author of 4 books, 20 articles, and 50 seminar lectures50 seminar lectures

• Lecturer in Sofia University and NBULecturer in Sofia University and NBU

What is SOA?What is SOA?

What is SOA?What is SOA?What is SOA?What is SOA?

• SOA is a concept for development of SOA is a concept for development of software systemssoftware systems

• Using reusable building blocks Using reusable building blocks (components) called "services"(components) called "services"

• Services in SOA are:Services in SOA are:

• AutonomousAutonomous

• Stateless business functionsStateless business functions

• Accept requests and return responsesAccept requests and return responses

• Use well-defined, standard interfaceUse well-defined, standard interface

• SOA is a concept for development of SOA is a concept for development of software systemssoftware systems

• Using reusable building blocks Using reusable building blocks (components) called "services"(components) called "services"

• Services in SOA are:Services in SOA are:

• AutonomousAutonomous

• Stateless business functionsStateless business functions

• Accept requests and return responsesAccept requests and return responses

• Use well-defined, standard interfaceUse well-defined, standard interface

SOA ServicesSOA ServicesSOA ServicesSOA Services

• AutonomousAutonomous

• Each service operates autonomouslyEach service operates autonomously

• Without any awareness that other Without any awareness that other services existservices exist

• StatelessStateless

• Have no memory, do not remember stateHave no memory, do not remember state

• Easy to scaleEasy to scale

• Request-response modelRequest-response model

• Client asks, server returns answerClient asks, server returns answer

• AutonomousAutonomous

• Each service operates autonomouslyEach service operates autonomously

• Without any awareness that other Without any awareness that other services existservices exist

• StatelessStateless

• Have no memory, do not remember stateHave no memory, do not remember state

• Easy to scaleEasy to scale

• Request-response modelRequest-response model

• Client asks, server returns answerClient asks, server returns answer

SOA ServicesSOA ServicesSOA ServicesSOA Services

• Communication through standard Communication through standard protocolsprotocols

• XML, SOAP, JSON, RSS, ATOM, ...XML, SOAP, JSON, RSS, ATOM, ...

• HTTP, FTP, SMTP, RPC, ...HTTP, FTP, SMTP, RPC, ...

• Not dependent on OS, platforms, Not dependent on OS, platforms, programming languagesprogramming languages

• DiscoverableDiscoverable

• Service registriesService registries

• Communication through standard Communication through standard protocolsprotocols

• XML, SOAP, JSON, RSS, ATOM, ...XML, SOAP, JSON, RSS, ATOM, ...

• HTTP, FTP, SMTP, RPC, ...HTTP, FTP, SMTP, RPC, ...

• Not dependent on OS, platforms, Not dependent on OS, platforms, programming languagesprogramming languages

• DiscoverableDiscoverable

• Service registriesService registries

SOA and Business Processes SOA and Business Processes Management (BPM)Management (BPM)SOA and Business Processes SOA and Business Processes Management (BPM)Management (BPM)

• Composite applicationsComposite applications

• Assembled form a set of services Assembled form a set of services combined to support a business processcombined to support a business process

• Business agilityBusiness agility

• Allows quick reaction to changesAllows quick reaction to changes

• Business Process Management (BPM)Business Process Management (BPM)

• Composite applications supportComposite applications support

• Process orchestration, execution, Process orchestration, execution, monitoring and optimizationmonitoring and optimization

• Composite applicationsComposite applications

• Assembled form a set of services Assembled form a set of services combined to support a business processcombined to support a business process

• Business agilityBusiness agility

• Allows quick reaction to changesAllows quick reaction to changes

• Business Process Management (BPM)Business Process Management (BPM)

• Composite applications supportComposite applications support

• Process orchestration, execution, Process orchestration, execution, monitoring and optimizationmonitoring and optimization

Loose CouplingLoose CouplingLoose CouplingLoose Coupling

• Loose coupling – main concept of SOALoose coupling – main concept of SOA

• Loosely coupled components:Loosely coupled components:

• Exhibits single functionExhibits single function

• Independent of other functionsIndependent of other functions

• Through a well-defined interfaceThrough a well-defined interface

• Loose coupling programming evolves:Loose coupling programming evolves:

• Structural programmingStructural programming

• Object-oriented programmingObject-oriented programming

• Service-oriented architecture (SOA)Service-oriented architecture (SOA)

• Loose coupling – main concept of SOALoose coupling – main concept of SOA

• Loosely coupled components:Loosely coupled components:

• Exhibits single functionExhibits single function

• Independent of other functionsIndependent of other functions

• Through a well-defined interfaceThrough a well-defined interface

• Loose coupling programming evolves:Loose coupling programming evolves:

• Structural programmingStructural programming

• Object-oriented programmingObject-oriented programming

• Service-oriented architecture (SOA)Service-oriented architecture (SOA)

SOA and Web 2.0?SOA and Web 2.0?

SOA and Web 2.0SOA and Web 2.0

• Moving to a "services model" – global IT Moving to a "services model" – global IT trend for both:trend for both:• Internet businessInternet business

• Inside an enterpriseInside an enterprise

• Two main SOA scenariosTwo main SOA scenarios• SOA in InternetSOA in Internet

• Software as service, Web 2.0, RIA, ...Software as service, Web 2.0, RIA, ...

• SOA inside an enterpriseSOA inside an enterprise• Heavy SOA stacks: WS-*, BPM, BPEL, Heavy SOA stacks: WS-*, BPM, BPEL,

WCF, SCA, ESB, ...WCF, SCA, ESB, ...

SOA in Internet and Inside an SOA in Internet and Inside an EnterpriseEnterpriseSOA in Internet and Inside an SOA in Internet and Inside an EnterpriseEnterprise

• Trends for service-orientation of the IT Trends for service-orientation of the IT businessbusiness

• Trends for service-orientation of the IT Trends for service-orientation of the IT businessbusiness

Source: Dion Hinchcliffe, ZDNet blogsSource: Dion Hinchcliffe, ZDNet blogsSource: Dion Hinchcliffe, ZDNet blogsSource: Dion Hinchcliffe, ZDNet blogs

SOA in InternetSOA in InternetSOA in InternetSOA in Internet

• Internet companies implement Internet companies implement lightweight SOAlightweight SOA in Internet in Internet

• Also called WOA (Web-Oriented Also called WOA (Web-Oriented Architecture)Architecture)

• Examples: Google, Amazon, Facebook, ...Examples: Google, Amazon, Facebook, ...

• Tend to provide software as serviceTend to provide software as service

• Based on lightweight Web standards:Based on lightweight Web standards:

• AJAX and Rich Internet Applications (RIA)AJAX and Rich Internet Applications (RIA)

• REST, RSS, JSON, proprietary APIsREST, RSS, JSON, proprietary APIs

• Internet companies implement Internet companies implement lightweight SOAlightweight SOA in Internet in Internet

• Also called WOA (Web-Oriented Also called WOA (Web-Oriented Architecture)Architecture)

• Examples: Google, Amazon, Facebook, ...Examples: Google, Amazon, Facebook, ...

• Tend to provide software as serviceTend to provide software as service

• Based on lightweight Web standards:Based on lightweight Web standards:

• AJAX and Rich Internet Applications (RIA)AJAX and Rich Internet Applications (RIA)

• REST, RSS, JSON, proprietary APIsREST, RSS, JSON, proprietary APIs

SOA in EnterprisesSOA in EnterprisesSOA in EnterprisesSOA in Enterprises

• Heavyweight SOAHeavyweight SOA stacks stacks

• Driven by business processes: BPM, Driven by business processes: BPM, BPMN, BPEL, ...BPMN, BPEL, ...

• Enterprise application integration (EAI)Enterprise application integration (EAI)

• B2B integrationB2B integration

• SOA based portalsSOA based portals

• Unified Frameworks: SCA and WCFUnified Frameworks: SCA and WCF

• Enterprise Service Bus (ESB)Enterprise Service Bus (ESB)

• SOA governance (control)SOA governance (control)

• Heavyweight SOAHeavyweight SOA stacks stacks

• Driven by business processes: BPM, Driven by business processes: BPM, BPMN, BPEL, ...BPMN, BPEL, ...

• Enterprise application integration (EAI)Enterprise application integration (EAI)

• B2B integrationB2B integration

• SOA based portalsSOA based portals

• Unified Frameworks: SCA and WCFUnified Frameworks: SCA and WCF

• Enterprise Service Bus (ESB)Enterprise Service Bus (ESB)

• SOA governance (control)SOA governance (control)

SOA in Internet vs. SOA in SOA in Internet vs. SOA in EnterprisesEnterprisesSOA in Internet vs. SOA in SOA in Internet vs. SOA in EnterprisesEnterprises

• SOA in InternetSOA in Internet

• Lightweight, easy-to-use, accessibleLightweight, easy-to-use, accessible

• Very fast adoption – business needs itVery fast adoption – business needs it

• SOA in EnterprisesSOA in Enterprises

• Heavyweight and complexHeavyweight and complex

• Slow adoptionSlow adoption

• MixturesMixtures

• Lightweight for Web 2.0 and heavyweight Lightweight for Web 2.0 and heavyweight for trading partnersfor trading partners

• SOA in InternetSOA in Internet

• Lightweight, easy-to-use, accessibleLightweight, easy-to-use, accessible

• Very fast adoption – business needs itVery fast adoption – business needs it

• SOA in EnterprisesSOA in Enterprises

• Heavyweight and complexHeavyweight and complex

• Slow adoptionSlow adoption

• MixturesMixtures

• Lightweight for Web 2.0 and heavyweight Lightweight for Web 2.0 and heavyweight for trading partnersfor trading partners

SOA Trends for 2008SOA Trends for 2008

SOA AdoptionSOA AdoptionSOA AdoptionSOA Adoption

• Why SOA adoption is slow?Why SOA adoption is slow?• SOA is not a better technologySOA is not a better technology

• It is a better approach to ITIt is a better approach to IT

• SOA is not a "buy" solutionSOA is not a "buy" solution• It is a "build" solutionIt is a "build" solution

• Purchasing a product will not turn your IT Purchasing a product will not turn your IT infrastructure to SOAinfrastructure to SOA

• Slow migration to SOASlow migration to SOA• New software is build with SOA in mindNew software is build with SOA in mind

• Old software is adopted to support SOAOld software is adopted to support SOA

• Why SOA adoption is slow?Why SOA adoption is slow?• SOA is not a better technologySOA is not a better technology

• It is a better approach to ITIt is a better approach to IT

• SOA is not a "buy" solutionSOA is not a "buy" solution• It is a "build" solutionIt is a "build" solution

• Purchasing a product will not turn your IT Purchasing a product will not turn your IT infrastructure to SOAinfrastructure to SOA

• Slow migration to SOASlow migration to SOA• New software is build with SOA in mindNew software is build with SOA in mind

• Old software is adopted to support SOAOld software is adopted to support SOA

Obstacles in SOA AdoptionObstacles in SOA AdoptionObstacles in SOA AdoptionObstacles in SOA Adoption

• Obstacles to SOA adoption in enterprisesObstacles to SOA adoption in enterprises

• Need of new thinking for the ITNeed of new thinking for the IT

• Resources, tasks, budgets and skills need Resources, tasks, budgets and skills need to be shared across projectsto be shared across projects

• Not dedicated solely to a single projectNot dedicated solely to a single project

• Unclear return of investments (ROI)Unclear return of investments (ROI)

• SOA in InternetSOA in Internet

• Easy-to-implement, takes less timeEasy-to-implement, takes less time

• Immediate return of investments (ROI)Immediate return of investments (ROI)

• Obstacles to SOA adoption in enterprisesObstacles to SOA adoption in enterprises

• Need of new thinking for the ITNeed of new thinking for the IT

• Resources, tasks, budgets and skills need Resources, tasks, budgets and skills need to be shared across projectsto be shared across projects

• Not dedicated solely to a single projectNot dedicated solely to a single project

• Unclear return of investments (ROI)Unclear return of investments (ROI)

• SOA in InternetSOA in Internet

• Easy-to-implement, takes less timeEasy-to-implement, takes less time

• Immediate return of investments (ROI)Immediate return of investments (ROI)

SOA Trends for 2008SOA Trends for 2008SOA Trends for 2008SOA Trends for 2008

• SOA adoption in 2008 will continue to SOA adoption in 2008 will continue to increaseincrease

• The IT culture will continue to changeThe IT culture will continue to change

• Build services instead of single projectsBuild services instead of single projects

• Enterprises tend to build more SOA-Enterprises tend to build more SOA-enabled projectsenabled projects

• SOA products market will continue growSOA products market will continue grow

• Open source solutions will emergeOpen source solutions will emerge

• SOA adoption in 2008 will continue to SOA adoption in 2008 will continue to increaseincrease

• The IT culture will continue to changeThe IT culture will continue to change

• Build services instead of single projectsBuild services instead of single projects

• Enterprises tend to build more SOA-Enterprises tend to build more SOA-enabled projectsenabled projects

• SOA products market will continue growSOA products market will continue grow

• Open source solutions will emergeOpen source solutions will emerge

SOA Infrastructure TrendsSOA Infrastructure TrendsSOA Infrastructure TrendsSOA Infrastructure Trends

• Virtualization will impact SOA Virtualization will impact SOA deploymentdeployment

• Computing clouds will impact SOAComputing clouds will impact SOA

• Amazon and SalesForce already have Amazon and SalesForce already have "computing clouds" solutions"computing clouds" solutions

• SOA scale-out infrastructures build on SOA scale-out infrastructures build on low-cost hardware adoptionlow-cost hardware adoption

• Google, eBay, Amazon and PayPal Google, eBay, Amazon and PayPal already have such technologyalready have such technology

• Virtualization will impact SOA Virtualization will impact SOA deploymentdeployment

• Computing clouds will impact SOAComputing clouds will impact SOA

• Amazon and SalesForce already have Amazon and SalesForce already have "computing clouds" solutions"computing clouds" solutions

• SOA scale-out infrastructures build on SOA scale-out infrastructures build on low-cost hardware adoptionlow-cost hardware adoption

• Google, eBay, Amazon and PayPal Google, eBay, Amazon and PayPal already have such technologyalready have such technology

SOA Technology TrendsSOA Technology TrendsSOA Technology TrendsSOA Technology Trends

• Adoption of SOA patterns and EAI patternsAdoption of SOA patterns and EAI patterns

• Open source SOA products will get more Open source SOA products will get more market sharemarket share

• In Java world: increase of OSGi adoptionIn Java world: increase of OSGi adoption

• In Microsoft world: WCF adoptionIn Microsoft world: WCF adoption

• Domain-specific languages for SOADomain-specific languages for SOA

• Adoption of lightweight technologies Adoption of lightweight technologies (REST, JSON, ...) will run in parallel with (REST, JSON, ...) will run in parallel with adoption of SOAP and WS-* technologiesadoption of SOAP and WS-* technologies

• Abstract APIs like WCF and SCA will emergeAbstract APIs like WCF and SCA will emerge

• Adoption of SOA patterns and EAI patternsAdoption of SOA patterns and EAI patterns

• Open source SOA products will get more Open source SOA products will get more market sharemarket share

• In Java world: increase of OSGi adoptionIn Java world: increase of OSGi adoption

• In Microsoft world: WCF adoptionIn Microsoft world: WCF adoption

• Domain-specific languages for SOADomain-specific languages for SOA

• Adoption of lightweight technologies Adoption of lightweight technologies (REST, JSON, ...) will run in parallel with (REST, JSON, ...) will run in parallel with adoption of SOAP and WS-* technologiesadoption of SOAP and WS-* technologies

• Abstract APIs like WCF and SCA will emergeAbstract APIs like WCF and SCA will emerge

SOA Trends – 2008SOA Trends – 2008SOA Trends – 2008SOA Trends – 2008

Questions?Questions?Questions?Questions?