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Toronix - SOA Quick Start

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The document provides an overview of IBM's SOA Fast Track program. It discusses key SOA concepts like definitions, standards, reference architectures, best practices, governance and management. It also describes IBM's SOA technologies like BPM, SCA, ESB and how they can be used to create and manage composite services. The document is intended to educate participants on IBM's approach to SOA.

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Service-Oriented Architecture
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IBM SOA © 2007 IBM Corporation IBM - Quest SOA Fast Track Robert R. Rowntree SOA Enterprise Architect IBM Software Group
IBM SOA IBM confidential2 IBM – Quest SOA Fast Track  Introduction - Evolution, Business Value and Approach  SOA Foundation - Definitions, Standards, Examples - Reference Architecture  SOA Scenarios  - Best Practices - Creations, Connectivity, BPM - Design, Governance, Security & Management SOA Technology - BPM, WBModeler, WBMonitor - ESB, WSRR, WID Agenda
IBM SOA IBM confidential3 IBM – Quest SOA Fast Track Technology Evolution
IBM SOA IBM confidential4 IBM – Quest SOA Fast Track Business Value: Scope of SOA Initiative Entry Points Based On Business Priorities Implementing with SOA Foundation products Creating services from tasks contained in new or existing applications 1 Implementing a SOA Project Integrating services across multiple applications inside and outside the enterprise for a business objective 2 Line of Business Application choreographing business processes An architected implementation enabling integration across business functions throughout an enterprise 3 Enterprise Business and IT Transformation Broad transformation of existing business models or the deployment of new business models 4 BusinessValue
IBM SOA IBM confidential5 IBM – Quest SOA Fast Track Business Value: Built to Last -> Built to Change
IBM SOA IBM confidential6 IBM – Quest SOA Fast Track Approach: Steps of the SOA Approach
IBM SOA IBM confidential7 IBM – Quest SOA Fast Track Approach: Roles
IBM SOA IBM confidential8 IBM – Quest SOA Fast Track  Introduction - Evolution, Business Value and Approach  SOA Foundation - Definitions, Standards, Examples - Reference Architecture  SOA Scenarios  - Best Practices - Creations, Connectivity, BPM - Design, Governance, Security & Management SOA Technology - BPM, WBModeler, WBMonitor - ESB, WSRR, WID Agenda
IBM SOA IBM confidential9 IBM – Quest SOA Fast Track Definitions of Key Terms for SOA
IBM SOA IBM confidential10 IBM – Quest SOA Fast Track Standards: Open Standards and Platforms
IBM SOA IBM confidential11 IBM – Quest SOA Fast Track Standards: Web Service Standards Current Maturity
IBM SOA IBM confidential12 IBM – Quest SOA Fast Track Standards: Past Model for Application Development
IBM SOA IBM confidential13 IBM – Quest SOA Fast Track Standards: Next Model for BPM
IBM SOA IBM confidential14 IBM – Quest SOA Fast Track Example 1: Service-Oriented Approach to Building Systems
IBM SOA IBM confidential15 IBM – Quest SOA Fast Track Reference Architecture
IBM SOA IBM confidential16 IBM – Quest SOA Fast Track Reference Architecture: Product View
IBM SOA IBM confidential17 IBM – Quest SOA Fast Track Reference Architecture: Solution View
IBM SOA IBM confidential18 IBM – Quest SOA Fast Track Reference Architecture: Core Three Building Blocks Business Processes (Flows) Services Atomic and Composite Service Components <<Object>> <<Object>> <<Object>> Services –the main structuring element required by a service consumer, provided by the service provider. Offers functionality and quality of service, both of which are externalized within service descriptions/policy and both of which can be applied a recursive or “fractal” manner. Flows (processes) – represent the flows of activities required to complete a business process. They are compositions of services targeted to achieve business goals Components – that realize not only the functionality of the services they expose but also ensure their quality of service (the QoS advertised by the Service provider implementing (“realizing”) the services
IBM SOA IBM confidential19 IBM – Quest SOA Fast Track There are multiple approaches to SOA realization Data Driven (Information Services) Wrapping Legacy or Packaged Applications for Service Exposure Legacy Componentization for Service Exposure Business process Driven Top Down Modeling to Identify Business Services Model Driven Development with Intent of Top- down Service Exposure Message Driven (SOI) 1 2 3 4 56 Increase productivity- increase reuse Provide customers and partners with Access to Information resources DataArchitectureandBusiness Intelligence QoS,Security,Management,and MonitoringInfrastructureService Integration(EnterpriseServiceBus Approach) consumers business processes process choreography services atomic and composite service components operational systems ServiceConsumerServiceProvider AJAX Portlets WSRP B2B Other OO Application Custom Application Packaged Application Governance
IBM SOA IBM confidential20 IBM – Quest SOA Fast Track Example 2: Web Services Creation – RA View
IBM SOA IBM confidential21 IBM – Quest SOA Fast Track Example 2: Logical Architecture – Web Services Creation
IBM SOA IBM confidential22 IBM – Quest SOA Fast Track Example 2: Delta’s Enterprise Architecture
IBM SOA IBM confidential23 IBM – Quest SOA Fast Track  Introduction - Evolution, Business Value and Approach  SOA Foundation - Definitions, Standards, Examples - Reference Architecture  SOA Scenarios  - Best Practices - Creations, Connectivity, BPM - Design, Governance, Security & Management SOA Technology - BPM, WBModeler, WBMonitor - ESB, WSRR, WID Agenda
IBM SOA IBM confidential24 IBM – Quest SOA Fast Track Best Practices
IBM SOA IBM confidential25 IBM – Quest SOA Fast Track  Business Drivers - Time to market - Reduce Costs - Increase revenue - Reduce risk and exposure  Organizational readiness - Executive support and sponsorship - Skills  Current architecture and environments - Build and Runtime - Degree of heterogeneity  Operational readiness - Ability to monitor and manage current operations - Integration of monitoring functions into production environments SOA Adoption Considerations
IBM SOA IBM confidential26 IBM – Quest SOA Fast Track Analyst Capture business and system requirements Analyst Capture business and system requirements Architect Model applications and data Architect Model applications and data Project Manager  Follow a common process  Track project status  Manage requirements  Manage change and assets  Manage quality Project Manager  Follow a common process  Track project status  Manage requirements  Manage change and assets  Manage quality Integration Developer Create composite applications Integration Developer Create composite applications Tester Design, create, and execute tests Tester Design, create, and execute tests Developer Construct, program, and generate code Developer Construct, program, and generate code Key Development Roles for SOA
IBM SOA IBM confidential27 IBM – Quest SOA Fast Track SOA Scenarios and Entry Points
IBM SOA IBM confidential28 IBM – Quest SOA Fast Track Example 3: Reuse: Service Creation: Digging Out the CICS Data
IBM SOA IBM confidential29 IBM – Quest SOA Fast Track Example 3: Reuse: Service Creation: Digging Out the CICS Data
IBM SOA IBM confidential30 IBM – Quest SOA Fast Track Example 3: Reuse: Service Creation: Digging Out the CICS Data
IBM SOA IBM confidential31 IBM – Quest SOA Fast Track Connectivity Scenarios  Service Routing – the simple case where a request is routed to one end target.  Switching Protocols – requestor and provider use different network protocols.  Message Transformation – Changing COBOL copybook data to XML or an XML format to a provider’s XML format.
IBM SOA IBM confidential32 IBM – Quest SOA Fast Track Connectivity Scenario: Service Routing
IBM SOA IBM confidential33 IBM – Quest SOA Fast Track Connectivity Scenario: Switching Protocols
IBM SOA IBM confidential34 IBM – Quest SOA Fast Track Connectivity Scenario: Message Transformation
IBM SOA IBM confidential35 IBM – Quest SOA Fast Track SOA Design:The Patterns for e-Business Layered Asset Model
IBM SOA IBM confidential36 IBM – Quest SOA Fast Track SOA Design: Logical Architecture with Product Mapping
IBM SOA IBM confidential37 IBM – Quest SOA Fast Track SOA Design: Underlying SOA Programming Model Technologies Design ( Models, Patterns, Templates, Policy ) Service Component Architecture (SCA), WS-BPEL Service Component Architecture (SCA) Service Data Objects (SDO) JavaServer Faces (JSF), Portlets, Rich Client Platform ESB
IBM SOA IBM confidential38 IBM – Quest SOA Fast Track Governance comes from the root word “Govern”. Governance is the structure of relationships and processes to direct and to control the SOA components in order to achieve the enterprise’s goals by adding value while balancing risk versus return The governance model defines:  What has to be done?  How is it done?  Who has the authority to do it?  How is it measured? Processes People Technology Services The focus of SOA is the Services Model SOA Governance: What is Governance?
IBM SOA IBM confidential39 IBM – Quest SOA Fast Track SOA Governance: Governance Life Cycle
IBM SOA IBM confidential40 IBM – Quest SOA Fast Track SOA Governance: Alignment & Compliance
IBM SOA IBM confidential41 IBM – Quest SOA Fast Track Silo Level 1 Services Level 4 Composite Services Level 5 Virtualized Services Level 6 Level 7 Dynamically Re-Configurable ServicesComponentized Level 3 Integrated Level 2 Modules Services Process Integration via Services Dynamic Application Assembly ComponentsObjectsApplications Structured Analysis & Design Service Oriented Modeling Service Oriented Modeling Grammar Oriented Modeling Component Based Development Object Oriented Modeling Methods Function Oriented Service Oriented Service Oriented Service Oriented Function Oriented Function Oriented Business View of IT Service Oriented Service Oriented Modeling Process Integration via Services Platform Specific Platform Specific Technology Neutral Dynamic Sense & Respond Platform Specific Platform Specific Infrastructure Monolithic Architecture Emerging SOA Grid Enabled SOA Dynamically Re- Configurable Architecture Component Architecture Layered ArchitectureArchitecture SOA Platform Specific = target level Employ Business Service Decomposition Introduce open standards Re-engineer dev process Processes SOA Governance: Service Integration Maturity Model - Identify Gaps
IBM SOA IBM confidential42 IBM – Quest SOA Fast Track SOA Governance: Services Implementation Management
IBM SOA IBM confidential43 IBM – Quest SOA Fast Track SOA Governance: Design Process - Rational Unified Process
IBM SOA IBM confidential44 IBM – Quest SOA Fast Track Custom Application Packaged Application Packaged Application Custom Application consumers business processes process choreography services atomic and composite ServiceConsumerServiceProvider 11 22 33 44 55 OO ApplicationCustom ApplicationOutlook SAP Custom Application business processes process choreography Services (Definitions) atomic and composite Service components ServiceConsumerServiceProvider 11 22 33 44 55 OO Application ISV Custom Apps Platform Operational systems Supporting Middleware MQ DB2Unix OS/390 SOA Security: Encompass all Aspects of Security SOA Security  Identity  Authentication  Authorization  Auditing  Confidentiality, Integrity and Availability  Auditing & Compliance  Administration and Policy Management SCA Portlet WSRP B2B Other
IBM SOA IBM confidential45 IBM – Quest SOA Fast Track SOA Security: IBM Security Approach - MASS
IBM SOA IBM confidential46 IBM – Quest SOA Fast Track  “Contracts” are established between service requestors and providers, also known as Service Level Agreements  Management focus turns to monitoring for compliance to agreed upon service levels  “Active” management optimizes systems to avoid service violations SOA Management: Service Levels Service Provider Service Service Requestor Quality of Service Capacity Security Performance XML WSDL SOAP Service Level Agreement  # of requests allowed  Acceptable response time  Charge per request
IBM SOA IBM confidential47 IBM – Quest SOA Fast Track Services atomic and composite Operational Systems Service Components Consumers Business Processes process choreography ServiceProviderServiceConsumer SAP Custom Application OO ApplicationISV Custom Apps Platform Supporting Middleware MQ DB2Unix OS/390 Outlook SCA Portlet WSRP B2B Other Integrated Console • Allow for seamless views across different layers of abstraction. Service Management Application Monitoring Resource Monitoring Resource Monitoring Transaction Tracking Integrated Reporting • Generate enterprise- wide service level reporting SOA Management: Solution View Business Process Management
IBM SOA IBM confidential48 IBM – Quest SOA Fast Track SOA Management: Example 4 – Digging out the CICS Data
IBM SOA IBM confidential49 IBM – Quest SOA Fast Track SOA Management: Example 4 – Logical Architecture
IBM SOA IBM confidential50 IBM – Quest SOA Fast Track  Introduction - Evolution, Business Value and Approach  SOA Foundation - Definitions, Standards, Examples - Reference Architecture  SOA Scenarios  - Best Practices - Creations, Connectivity, BPM - Design, Governance, Security & Management SOA Technology - BPM, WBModeler, WBMonitor - ESB, WSRR, WID Agenda
IBM SOA IBM confidential51 IBM – Quest SOA Fast Track SOA Technology: BPM Life Cycle – Low Complexity
IBM SOA IBM confidential52 IBM – Quest SOA Fast Track SOA Technology: Solution Development Process
IBM SOA IBM confidential53 IBM – Quest SOA Fast Track SOA Technology: WPS – Logical View
IBM SOA IBM confidential54 IBM – Quest SOA Fast Track SOA Technology: Service Component Architecture - SCA
IBM SOA IBM confidential55 IBM – Quest SOA Fast Track SOA Technology: SCA
IBM SOA IBM confidential56 IBM – Quest SOA Fast Track SOA Technology: SCA
IBM SOA IBM confidential57 IBM – Quest SOA Fast Track SOA Technology: SCA & BO
IBM SOA IBM confidential58 IBM – Quest SOA Fast Track SOA Technology: Example 5
IBM SOA IBM confidential59 IBM – Quest SOA Fast Track SOA Technology: Example 5
IBM SOA IBM confidential60 IBM – Quest SOA Fast Track
IBM SOA IBM confidential61 IBM – Quest SOA Fast Track Interaction Services Information Services Partner Services Business App Services Access Services Development Services Management Services Infrastructure Services Enables collaboration between people, processes & information Manages diverse data and content in a unified manner Connect with trading partners Build on a robust, scaleable, and secure services environment Facilitate interactions with existing information and application assets Integrated environment for design and creation of solution assets Manage and secure services, applications & resources Optimizes throughput, availability and utilization Apps& InfoAssets Process Services Business Services Supports enterprise business process and goals through businesses functional service Enterprise Service Bus Orchestrate and automate business processes Defining the capabilities for your SOA environment: Enterprise Service Bus as Key Enabling Middleware SOA Reference Architecture
IBM SOA IBM confidential62 IBM – Quest SOA Fast Track Core Principles of the ESB Architectural Pattern  ESB inter-connects requestor and provider - Interactions are decoupled - Supports key SOA principle – separation of concerns  ESB provides Service Virtualization of - Identity via routing - Interaction via conversion - Interface via transformation  ESB also enables Aspect Oriented Connectivity - Security - Management - Logging - Auditing - … Service Requestor Service Provider ESB
IBM SOA IBM confidential63 IBM – Quest SOA Fast Track An ESB-centric view of the Logical Model  Outside ESB - Business Logic (Business Services)  ESB does contain integration logic or connectivity logic  Criteria: semantics versus syntax; aspects  Loosely coupled to ESB - Security and Management  Policy Decision Point outside the ESB  ESB can be Policy Enforcement Point  Tightly coupled to ESB - Service Registry  Registry a Policy Decision Point for ESB  ESB a Policy Enforcement Point for Registry  But, Registry has a broader scope in SOA  Tooling required for ESB - Development - Administration - Configures ESB via Service Registry ITManagementServices SecurityManagement Business Services InformationProcessInteraction Business Services AccessBusiness AppPartner DevelopmentServices ESB Registry
IBM SOA IBM confidential64 IBM – Quest SOA Fast Track Message Models Mediation Flows Communication Protocols Enterprise Service Bus Interaction Patterns Mediation Patterns Meta models Expanded view of the ESB  Communication Protocols - Supply basic connectivity to requesters and providers  Impact QoS (e.g., reliable delivery, transactions) - Supply inherent Interaction Patterns (e.g., request/reply, one-way, pub/sub)  An ESB leverages underlying communication fabrics of SOA infrastructure - ESB provides on-ramps and off-ramps  Standards are important  Typical requirements - HTTP (SOAP/HTTP, XML/HTTP) - MQ (SOAP/JMS/MQ, XML/MQ, text/MQ, …) - Adapters (legacy, EIS) - WS-I, WS-Security
IBM SOA IBM confidential65 IBM – Quest SOA Fast Track Message Models Mediation Flows Communication Protocols Enterprise Service Bus Interaction Patterns Mediation Patterns Meta models Expanded view of the ESB  Message Models - Describe messages exchanged with requesters and providers - Based on Meta-models  Fundamental means of describing messages  For example, XML Schema language - Content models define specific messages  For example, XML schema  An ESB supports one or more message meta-models  An ESB supports multiple message content models - Can include industry standard models as well as enterprise specific models - Can include weakly-typed models  Typical requirements - XML schema definition - Industry specific content models
IBM SOA IBM confidential66 IBM – Quest SOA Fast Track Message Models Mediation Flows Communication Protocols Enterprise Service Bus Interaction Patterns Mediation Patterns Meta models Expanded view of the ESB  Mediation Flows - Process messages exchanged between requester and provider via ESB  Large grained  Moderately reusable  Constructed from Mediation Patterns - Mediation Patterns define processing “steps” of a mediation flow  Small to middle grained  Highly reusable  ESB products include pre-built “mediation primitives”  Typical requirements - Dynamic routing - Logging
IBM SOA IBM confidential67 IBM – Quest SOA Fast Track ESB Roles – Infrastructure Patterns ESB ESB Focus: rich service virtualization ESB Gateway ESB Gateway Focus: controlled and secure service interaction between internal or external domain boundariesProvider Requestor Intermediary NOTE: Adapted from Patterns for eBusiness Key context Issues: security quality of service Management Transactions
IBM SOA IBM confidential68 IBM – Quest SOA Fast Track ESB Roles – ESB Integration Topology Patterns Direct Brokered Federated Multiple namespaces, administration domains; namespace mapping in each ESB; services are likely to be applicable throughout the enterprise Multiple namespaces, administration domains; namespace mapping in Brokered ESB Gateway facilitates service interaction; subset of services applicable throughout the enterprise Multiple namespaces, administration domains; namespace mapping in Federated ESB facilitates service interaction with multiple implementations; subset of services applicable throughout the enterprise NOTE: Adapted from Patterns for eBusiness
IBM SOA IBM confidential69 IBM – Quest SOA Fast Track Key Criteria for ESB selection  Communication Protocols & Interaction Patterns  Message Models  Mediation Flows and Mediation Patterns  Qualities of service - Heterogeneous transaction coordination - Reliable/assured delivery - Performance - Scalability - Reliability  Non-functional - Affinity to SOA environment (e.g., WebSphere Process Server) - Affinity to IT environment (e.g. J2EE application server) - Development tooling capabilities and affinity to current tools - Configuration and administration tooling capabilities - Existing and required skill set (e.g., J2EE skills) - Ease of integration with management (e.g., monitoring, security) environment - Product maturity and comfort level with leading edge products - Price and total cost of ownership  Organization & Topologies
IBM SOA IBM confidential70 IBM – Quest SOA Fast Track Enhancing ESB: Service Registry and Repository provides value throughout the SOA lifecycle Service Registry and Repository Publish Find Enrich GovernManage Encourage Reuse Find and reuse services for building blocks for new composite applications. Enhance Connectivity Enable dynamic and efficient interactions between services at runtime. Enable Governance Govern services throughout the service lifecycle Publish Find Enrich Govern Manage Help optimize service performance Enable enforcement of policies. Impact analysis
IBM SOA IBM confidential71 IBM – Quest SOA Fast Track  What differentiates a service- oriented approach are the service characteristics  A service not only has a set of calls and responses, it has many other characteristics: performance, availability, capacity, quality of service and security  SOA is not only about exposing how you can call a service but also defining a set of characteristics for how these calls will be serviced: - how fast they should respond - when will they be available - who may make various calls - how many calls you can make in a certain period of time - what calls need to be logged - how should calls be routed Why Is SOA Different? Service Provider Service Service Requestor Quality of Service Capacity Security Performance
IBM SOA IBM confidential72 IBM – Quest SOA Fast Track Apps& InfoAssets Business Innovation & Optimization Services Development Services Interaction Services Process Services Information Services Partner Services Business App Services Access Services Integrated environme nt for design and creation of solution assets Manage and secure services, applicatio ns & resources Facilitates better decision-making with real-time business information Enables collaboration between people, processes & information Orchestrate and automate business processes Manages diverse data in a unified manner Connect with trading partners Build on a robust, scaleable, and secure services environment Facilitates interactions with existing information and application assets ESBFacilitates communication between services ITService Management Infrastructure Services Optimizes throughput, availability and performance  Linkage between business and IT through support of the entire SOA Lifecycle  Connectivity and Service isolation through the Enterprise Service Bus  Separation of Concerns/Modularity for incremental adoption  Component-based Programming and Solution Development  Open Standards  Business and IT Monitoring and Management The IBM SOA Reference Architecture provides the level of IT flexibility required to meet the demands of Business Summary: The SOA Ref Arch and its Key Principles
IBM SOA IBM confidential73 IBM – Quest SOA Fast Track An ESB performs the following between requestor and service  Routing messages between services  Converting transport protocols between requestor and service  Transforming message formats between requestor and service  Handling business events from disparate sources Enterprise Service Bus and SOA Management Travel Reservation Process Enterprise Service Bus NEW Check Traveler Service Book Hotel Service Hotel Availability Service Book Car Service NEW Flight Availability Service OLD Flight Availability Service Book Flight Service Check Credit Service Flight Availability Service
IBM SOA IBM confidential74 IBM – Quest SOA Fast Track Management tools can use ESBs as natural enforcement points  To perform Routing of messages based on system capacity, Quality of Service, and SLAs  Leverage Conversion and Transformation capabilities to comply with policy  Centralize Handling of IT events related to Services Enterprise Service Bus and SOA Management Management Travel Reservation Process Enterprise Service Bus NEW Check Traveler Service Book Hotel Service Hotel Availability Service Book Car Service NEW Flight Availability Service OLD Flight Availability Service Book Flight Service Check Credit Service Flight Availability Service

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Toronix - SOA Quick Start

  • 1. IBM SOA © 2007 IBM Corporation IBM - Quest SOA Fast Track Robert R. Rowntree SOA Enterprise Architect IBM Software Group
  • 2. IBM SOA IBM confidential2 IBM – Quest SOA Fast Track  Introduction - Evolution, Business Value and Approach  SOA Foundation - Definitions, Standards, Examples - Reference Architecture  SOA Scenarios  - Best Practices - Creations, Connectivity, BPM - Design, Governance, Security & Management SOA Technology - BPM, WBModeler, WBMonitor - ESB, WSRR, WID Agenda
  • 3. IBM SOA IBM confidential3 IBM – Quest SOA Fast Track Technology Evolution
  • 4. IBM SOA IBM confidential4 IBM – Quest SOA Fast Track Business Value: Scope of SOA Initiative Entry Points Based On Business Priorities Implementing with SOA Foundation products Creating services from tasks contained in new or existing applications 1 Implementing a SOA Project Integrating services across multiple applications inside and outside the enterprise for a business objective 2 Line of Business Application choreographing business processes An architected implementation enabling integration across business functions throughout an enterprise 3 Enterprise Business and IT Transformation Broad transformation of existing business models or the deployment of new business models 4 BusinessValue
  • 5. IBM SOA IBM confidential5 IBM – Quest SOA Fast Track Business Value: Built to Last -> Built to Change
  • 6. IBM SOA IBM confidential6 IBM – Quest SOA Fast Track Approach: Steps of the SOA Approach
  • 7. IBM SOA IBM confidential7 IBM – Quest SOA Fast Track Approach: Roles
  • 8. IBM SOA IBM confidential8 IBM – Quest SOA Fast Track  Introduction - Evolution, Business Value and Approach  SOA Foundation - Definitions, Standards, Examples - Reference Architecture  SOA Scenarios  - Best Practices - Creations, Connectivity, BPM - Design, Governance, Security & Management SOA Technology - BPM, WBModeler, WBMonitor - ESB, WSRR, WID Agenda
  • 9. IBM SOA IBM confidential9 IBM – Quest SOA Fast Track Definitions of Key Terms for SOA
  • 10. IBM SOA IBM confidential10 IBM – Quest SOA Fast Track Standards: Open Standards and Platforms
  • 11. IBM SOA IBM confidential11 IBM – Quest SOA Fast Track Standards: Web Service Standards Current Maturity
  • 12. IBM SOA IBM confidential12 IBM – Quest SOA Fast Track Standards: Past Model for Application Development
  • 13. IBM SOA IBM confidential13 IBM – Quest SOA Fast Track Standards: Next Model for BPM
  • 14. IBM SOA IBM confidential14 IBM – Quest SOA Fast Track Example 1: Service-Oriented Approach to Building Systems
  • 15. IBM SOA IBM confidential15 IBM – Quest SOA Fast Track Reference Architecture
  • 16. IBM SOA IBM confidential16 IBM – Quest SOA Fast Track Reference Architecture: Product View
  • 17. IBM SOA IBM confidential17 IBM – Quest SOA Fast Track Reference Architecture: Solution View
  • 18. IBM SOA IBM confidential18 IBM – Quest SOA Fast Track Reference Architecture: Core Three Building Blocks Business Processes (Flows) Services Atomic and Composite Service Components <<Object>> <<Object>> <<Object>> Services –the main structuring element required by a service consumer, provided by the service provider. Offers functionality and quality of service, both of which are externalized within service descriptions/policy and both of which can be applied a recursive or “fractal” manner. Flows (processes) – represent the flows of activities required to complete a business process. They are compositions of services targeted to achieve business goals Components – that realize not only the functionality of the services they expose but also ensure their quality of service (the QoS advertised by the Service provider implementing (“realizing”) the services
  • 19. IBM SOA IBM confidential19 IBM – Quest SOA Fast Track There are multiple approaches to SOA realization Data Driven (Information Services) Wrapping Legacy or Packaged Applications for Service Exposure Legacy Componentization for Service Exposure Business process Driven Top Down Modeling to Identify Business Services Model Driven Development with Intent of Top- down Service Exposure Message Driven (SOI) 1 2 3 4 56 Increase productivity- increase reuse Provide customers and partners with Access to Information resources DataArchitectureandBusiness Intelligence QoS,Security,Management,and MonitoringInfrastructureService Integration(EnterpriseServiceBus Approach) consumers business processes process choreography services atomic and composite service components operational systems ServiceConsumerServiceProvider AJAX Portlets WSRP B2B Other OO Application Custom Application Packaged Application Governance
  • 20. IBM SOA IBM confidential20 IBM – Quest SOA Fast Track Example 2: Web Services Creation – RA View
  • 21. IBM SOA IBM confidential21 IBM – Quest SOA Fast Track Example 2: Logical Architecture – Web Services Creation
  • 22. IBM SOA IBM confidential22 IBM – Quest SOA Fast Track Example 2: Delta’s Enterprise Architecture
  • 23. IBM SOA IBM confidential23 IBM – Quest SOA Fast Track  Introduction - Evolution, Business Value and Approach  SOA Foundation - Definitions, Standards, Examples - Reference Architecture  SOA Scenarios  - Best Practices - Creations, Connectivity, BPM - Design, Governance, Security & Management SOA Technology - BPM, WBModeler, WBMonitor - ESB, WSRR, WID Agenda
  • 24. IBM SOA IBM confidential24 IBM – Quest SOA Fast Track Best Practices
  • 25. IBM SOA IBM confidential25 IBM – Quest SOA Fast Track  Business Drivers - Time to market - Reduce Costs - Increase revenue - Reduce risk and exposure  Organizational readiness - Executive support and sponsorship - Skills  Current architecture and environments - Build and Runtime - Degree of heterogeneity  Operational readiness - Ability to monitor and manage current operations - Integration of monitoring functions into production environments SOA Adoption Considerations
  • 26. IBM SOA IBM confidential26 IBM – Quest SOA Fast Track Analyst Capture business and system requirements Analyst Capture business and system requirements Architect Model applications and data Architect Model applications and data Project Manager  Follow a common process  Track project status  Manage requirements  Manage change and assets  Manage quality Project Manager  Follow a common process  Track project status  Manage requirements  Manage change and assets  Manage quality Integration Developer Create composite applications Integration Developer Create composite applications Tester Design, create, and execute tests Tester Design, create, and execute tests Developer Construct, program, and generate code Developer Construct, program, and generate code Key Development Roles for SOA
  • 27. IBM SOA IBM confidential27 IBM – Quest SOA Fast Track SOA Scenarios and Entry Points
  • 28. IBM SOA IBM confidential28 IBM – Quest SOA Fast Track Example 3: Reuse: Service Creation: Digging Out the CICS Data
  • 29. IBM SOA IBM confidential29 IBM – Quest SOA Fast Track Example 3: Reuse: Service Creation: Digging Out the CICS Data
  • 30. IBM SOA IBM confidential30 IBM – Quest SOA Fast Track Example 3: Reuse: Service Creation: Digging Out the CICS Data
  • 31. IBM SOA IBM confidential31 IBM – Quest SOA Fast Track Connectivity Scenarios  Service Routing – the simple case where a request is routed to one end target.  Switching Protocols – requestor and provider use different network protocols.  Message Transformation – Changing COBOL copybook data to XML or an XML format to a provider’s XML format.
  • 32. IBM SOA IBM confidential32 IBM – Quest SOA Fast Track Connectivity Scenario: Service Routing
  • 33. IBM SOA IBM confidential33 IBM – Quest SOA Fast Track Connectivity Scenario: Switching Protocols
  • 34. IBM SOA IBM confidential34 IBM – Quest SOA Fast Track Connectivity Scenario: Message Transformation
  • 35. IBM SOA IBM confidential35 IBM – Quest SOA Fast Track SOA Design:The Patterns for e-Business Layered Asset Model
  • 36. IBM SOA IBM confidential36 IBM – Quest SOA Fast Track SOA Design: Logical Architecture with Product Mapping
  • 37. IBM SOA IBM confidential37 IBM – Quest SOA Fast Track SOA Design: Underlying SOA Programming Model Technologies Design ( Models, Patterns, Templates, Policy ) Service Component Architecture (SCA), WS-BPEL Service Component Architecture (SCA) Service Data Objects (SDO) JavaServer Faces (JSF), Portlets, Rich Client Platform ESB
  • 38. IBM SOA IBM confidential38 IBM – Quest SOA Fast Track Governance comes from the root word “Govern”. Governance is the structure of relationships and processes to direct and to control the SOA components in order to achieve the enterprise’s goals by adding value while balancing risk versus return The governance model defines:  What has to be done?  How is it done?  Who has the authority to do it?  How is it measured? Processes People Technology Services The focus of SOA is the Services Model SOA Governance: What is Governance?
  • 39. IBM SOA IBM confidential39 IBM – Quest SOA Fast Track SOA Governance: Governance Life Cycle
  • 40. IBM SOA IBM confidential40 IBM – Quest SOA Fast Track SOA Governance: Alignment & Compliance
  • 41. IBM SOA IBM confidential41 IBM – Quest SOA Fast Track Silo Level 1 Services Level 4 Composite Services Level 5 Virtualized Services Level 6 Level 7 Dynamically Re-Configurable ServicesComponentized Level 3 Integrated Level 2 Modules Services Process Integration via Services Dynamic Application Assembly ComponentsObjectsApplications Structured Analysis & Design Service Oriented Modeling Service Oriented Modeling Grammar Oriented Modeling Component Based Development Object Oriented Modeling Methods Function Oriented Service Oriented Service Oriented Service Oriented Function Oriented Function Oriented Business View of IT Service Oriented Service Oriented Modeling Process Integration via Services Platform Specific Platform Specific Technology Neutral Dynamic Sense & Respond Platform Specific Platform Specific Infrastructure Monolithic Architecture Emerging SOA Grid Enabled SOA Dynamically Re- Configurable Architecture Component Architecture Layered ArchitectureArchitecture SOA Platform Specific = target level Employ Business Service Decomposition Introduce open standards Re-engineer dev process Processes SOA Governance: Service Integration Maturity Model - Identify Gaps
  • 42. IBM SOA IBM confidential42 IBM – Quest SOA Fast Track SOA Governance: Services Implementation Management
  • 43. IBM SOA IBM confidential43 IBM – Quest SOA Fast Track SOA Governance: Design Process - Rational Unified Process
  • 44. IBM SOA IBM confidential44 IBM – Quest SOA Fast Track Custom Application Packaged Application Packaged Application Custom Application consumers business processes process choreography services atomic and composite ServiceConsumerServiceProvider 11 22 33 44 55 OO ApplicationCustom ApplicationOutlook SAP Custom Application business processes process choreography Services (Definitions) atomic and composite Service components ServiceConsumerServiceProvider 11 22 33 44 55 OO Application ISV Custom Apps Platform Operational systems Supporting Middleware MQ DB2Unix OS/390 SOA Security: Encompass all Aspects of Security SOA Security  Identity  Authentication  Authorization  Auditing  Confidentiality, Integrity and Availability  Auditing & Compliance  Administration and Policy Management SCA Portlet WSRP B2B Other
  • 45. IBM SOA IBM confidential45 IBM – Quest SOA Fast Track SOA Security: IBM Security Approach - MASS
  • 46. IBM SOA IBM confidential46 IBM – Quest SOA Fast Track  “Contracts” are established between service requestors and providers, also known as Service Level Agreements  Management focus turns to monitoring for compliance to agreed upon service levels  “Active” management optimizes systems to avoid service violations SOA Management: Service Levels Service Provider Service Service Requestor Quality of Service Capacity Security Performance XML WSDL SOAP Service Level Agreement  # of requests allowed  Acceptable response time  Charge per request
  • 47. IBM SOA IBM confidential47 IBM – Quest SOA Fast Track Services atomic and composite Operational Systems Service Components Consumers Business Processes process choreography ServiceProviderServiceConsumer SAP Custom Application OO ApplicationISV Custom Apps Platform Supporting Middleware MQ DB2Unix OS/390 Outlook SCA Portlet WSRP B2B Other Integrated Console • Allow for seamless views across different layers of abstraction. Service Management Application Monitoring Resource Monitoring Resource Monitoring Transaction Tracking Integrated Reporting • Generate enterprise- wide service level reporting SOA Management: Solution View Business Process Management
  • 48. IBM SOA IBM confidential48 IBM – Quest SOA Fast Track SOA Management: Example 4 – Digging out the CICS Data
  • 49. IBM SOA IBM confidential49 IBM – Quest SOA Fast Track SOA Management: Example 4 – Logical Architecture
  • 50. IBM SOA IBM confidential50 IBM – Quest SOA Fast Track  Introduction - Evolution, Business Value and Approach  SOA Foundation - Definitions, Standards, Examples - Reference Architecture  SOA Scenarios  - Best Practices - Creations, Connectivity, BPM - Design, Governance, Security & Management SOA Technology - BPM, WBModeler, WBMonitor - ESB, WSRR, WID Agenda
  • 51. IBM SOA IBM confidential51 IBM – Quest SOA Fast Track SOA Technology: BPM Life Cycle – Low Complexity
  • 52. IBM SOA IBM confidential52 IBM – Quest SOA Fast Track SOA Technology: Solution Development Process
  • 53. IBM SOA IBM confidential53 IBM – Quest SOA Fast Track SOA Technology: WPS – Logical View
  • 54. IBM SOA IBM confidential54 IBM – Quest SOA Fast Track SOA Technology: Service Component Architecture - SCA
  • 55. IBM SOA IBM confidential55 IBM – Quest SOA Fast Track SOA Technology: SCA
  • 56. IBM SOA IBM confidential56 IBM – Quest SOA Fast Track SOA Technology: SCA
  • 57. IBM SOA IBM confidential57 IBM – Quest SOA Fast Track SOA Technology: SCA & BO
  • 58. IBM SOA IBM confidential58 IBM – Quest SOA Fast Track SOA Technology: Example 5
  • 59. IBM SOA IBM confidential59 IBM – Quest SOA Fast Track SOA Technology: Example 5
  • 60. IBM SOA IBM confidential60 IBM – Quest SOA Fast Track
  • 61. IBM SOA IBM confidential61 IBM – Quest SOA Fast Track Interaction Services Information Services Partner Services Business App Services Access Services Development Services Management Services Infrastructure Services Enables collaboration between people, processes & information Manages diverse data and content in a unified manner Connect with trading partners Build on a robust, scaleable, and secure services environment Facilitate interactions with existing information and application assets Integrated environment for design and creation of solution assets Manage and secure services, applications & resources Optimizes throughput, availability and utilization Apps& InfoAssets Process Services Business Services Supports enterprise business process and goals through businesses functional service Enterprise Service Bus Orchestrate and automate business processes Defining the capabilities for your SOA environment: Enterprise Service Bus as Key Enabling Middleware SOA Reference Architecture
  • 62. IBM SOA IBM confidential62 IBM – Quest SOA Fast Track Core Principles of the ESB Architectural Pattern  ESB inter-connects requestor and provider - Interactions are decoupled - Supports key SOA principle – separation of concerns  ESB provides Service Virtualization of - Identity via routing - Interaction via conversion - Interface via transformation  ESB also enables Aspect Oriented Connectivity - Security - Management - Logging - Auditing - … Service Requestor Service Provider ESB
  • 63. IBM SOA IBM confidential63 IBM – Quest SOA Fast Track An ESB-centric view of the Logical Model  Outside ESB - Business Logic (Business Services)  ESB does contain integration logic or connectivity logic  Criteria: semantics versus syntax; aspects  Loosely coupled to ESB - Security and Management  Policy Decision Point outside the ESB  ESB can be Policy Enforcement Point  Tightly coupled to ESB - Service Registry  Registry a Policy Decision Point for ESB  ESB a Policy Enforcement Point for Registry  But, Registry has a broader scope in SOA  Tooling required for ESB - Development - Administration - Configures ESB via Service Registry ITManagementServices SecurityManagement Business Services InformationProcessInteraction Business Services AccessBusiness AppPartner DevelopmentServices ESB Registry
  • 64. IBM SOA IBM confidential64 IBM – Quest SOA Fast Track Message Models Mediation Flows Communication Protocols Enterprise Service Bus Interaction Patterns Mediation Patterns Meta models Expanded view of the ESB  Communication Protocols - Supply basic connectivity to requesters and providers  Impact QoS (e.g., reliable delivery, transactions) - Supply inherent Interaction Patterns (e.g., request/reply, one-way, pub/sub)  An ESB leverages underlying communication fabrics of SOA infrastructure - ESB provides on-ramps and off-ramps  Standards are important  Typical requirements - HTTP (SOAP/HTTP, XML/HTTP) - MQ (SOAP/JMS/MQ, XML/MQ, text/MQ, …) - Adapters (legacy, EIS) - WS-I, WS-Security
  • 65. IBM SOA IBM confidential65 IBM – Quest SOA Fast Track Message Models Mediation Flows Communication Protocols Enterprise Service Bus Interaction Patterns Mediation Patterns Meta models Expanded view of the ESB  Message Models - Describe messages exchanged with requesters and providers - Based on Meta-models  Fundamental means of describing messages  For example, XML Schema language - Content models define specific messages  For example, XML schema  An ESB supports one or more message meta-models  An ESB supports multiple message content models - Can include industry standard models as well as enterprise specific models - Can include weakly-typed models  Typical requirements - XML schema definition - Industry specific content models
  • 66. IBM SOA IBM confidential66 IBM – Quest SOA Fast Track Message Models Mediation Flows Communication Protocols Enterprise Service Bus Interaction Patterns Mediation Patterns Meta models Expanded view of the ESB  Mediation Flows - Process messages exchanged between requester and provider via ESB  Large grained  Moderately reusable  Constructed from Mediation Patterns - Mediation Patterns define processing “steps” of a mediation flow  Small to middle grained  Highly reusable  ESB products include pre-built “mediation primitives”  Typical requirements - Dynamic routing - Logging
  • 67. IBM SOA IBM confidential67 IBM – Quest SOA Fast Track ESB Roles – Infrastructure Patterns ESB ESB Focus: rich service virtualization ESB Gateway ESB Gateway Focus: controlled and secure service interaction between internal or external domain boundariesProvider Requestor Intermediary NOTE: Adapted from Patterns for eBusiness Key context Issues: security quality of service Management Transactions
  • 68. IBM SOA IBM confidential68 IBM – Quest SOA Fast Track ESB Roles – ESB Integration Topology Patterns Direct Brokered Federated Multiple namespaces, administration domains; namespace mapping in each ESB; services are likely to be applicable throughout the enterprise Multiple namespaces, administration domains; namespace mapping in Brokered ESB Gateway facilitates service interaction; subset of services applicable throughout the enterprise Multiple namespaces, administration domains; namespace mapping in Federated ESB facilitates service interaction with multiple implementations; subset of services applicable throughout the enterprise NOTE: Adapted from Patterns for eBusiness
  • 69. IBM SOA IBM confidential69 IBM – Quest SOA Fast Track Key Criteria for ESB selection  Communication Protocols & Interaction Patterns  Message Models  Mediation Flows and Mediation Patterns  Qualities of service - Heterogeneous transaction coordination - Reliable/assured delivery - Performance - Scalability - Reliability  Non-functional - Affinity to SOA environment (e.g., WebSphere Process Server) - Affinity to IT environment (e.g. J2EE application server) - Development tooling capabilities and affinity to current tools - Configuration and administration tooling capabilities - Existing and required skill set (e.g., J2EE skills) - Ease of integration with management (e.g., monitoring, security) environment - Product maturity and comfort level with leading edge products - Price and total cost of ownership  Organization & Topologies
  • 70. IBM SOA IBM confidential70 IBM – Quest SOA Fast Track Enhancing ESB: Service Registry and Repository provides value throughout the SOA lifecycle Service Registry and Repository Publish Find Enrich GovernManage Encourage Reuse Find and reuse services for building blocks for new composite applications. Enhance Connectivity Enable dynamic and efficient interactions between services at runtime. Enable Governance Govern services throughout the service lifecycle Publish Find Enrich Govern Manage Help optimize service performance Enable enforcement of policies. Impact analysis
  • 71. IBM SOA IBM confidential71 IBM – Quest SOA Fast Track  What differentiates a service- oriented approach are the service characteristics  A service not only has a set of calls and responses, it has many other characteristics: performance, availability, capacity, quality of service and security  SOA is not only about exposing how you can call a service but also defining a set of characteristics for how these calls will be serviced: - how fast they should respond - when will they be available - who may make various calls - how many calls you can make in a certain period of time - what calls need to be logged - how should calls be routed Why Is SOA Different? Service Provider Service Service Requestor Quality of Service Capacity Security Performance
  • 72. IBM SOA IBM confidential72 IBM – Quest SOA Fast Track Apps& InfoAssets Business Innovation & Optimization Services Development Services Interaction Services Process Services Information Services Partner Services Business App Services Access Services Integrated environme nt for design and creation of solution assets Manage and secure services, applicatio ns & resources Facilitates better decision-making with real-time business information Enables collaboration between people, processes & information Orchestrate and automate business processes Manages diverse data in a unified manner Connect with trading partners Build on a robust, scaleable, and secure services environment Facilitates interactions with existing information and application assets ESBFacilitates communication between services ITService Management Infrastructure Services Optimizes throughput, availability and performance  Linkage between business and IT through support of the entire SOA Lifecycle  Connectivity and Service isolation through the Enterprise Service Bus  Separation of Concerns/Modularity for incremental adoption  Component-based Programming and Solution Development  Open Standards  Business and IT Monitoring and Management The IBM SOA Reference Architecture provides the level of IT flexibility required to meet the demands of Business Summary: The SOA Ref Arch and its Key Principles
  • 73. IBM SOA IBM confidential73 IBM – Quest SOA Fast Track An ESB performs the following between requestor and service  Routing messages between services  Converting transport protocols between requestor and service  Transforming message formats between requestor and service  Handling business events from disparate sources Enterprise Service Bus and SOA Management Travel Reservation Process Enterprise Service Bus NEW Check Traveler Service Book Hotel Service Hotel Availability Service Book Car Service NEW Flight Availability Service OLD Flight Availability Service Book Flight Service Check Credit Service Flight Availability Service
  • 74. IBM SOA IBM confidential74 IBM – Quest SOA Fast Track Management tools can use ESBs as natural enforcement points  To perform Routing of messages based on system capacity, Quality of Service, and SLAs  Leverage Conversion and Transformation capabilities to comply with policy  Centralize Handling of IT events related to Services Enterprise Service Bus and SOA Management Management Travel Reservation Process Enterprise Service Bus NEW Check Traveler Service Book Hotel Service Hotel Availability Service Book Car Service NEW Flight Availability Service OLD Flight Availability Service Book Flight Service Check Credit Service Flight Availability Service