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Re-Architect Your Legacy Environment To Enable An Agile, Future-Ready Enterprise
The document outlines the importance of modernizing legacy IT systems to enhance business agility and reduce operational costs, as organizations increasingly prioritize scalability and innovation. It highlights various modernization strategies by Dell, including application re-hosting and re-architecture, along with their methodologies for successful implementation. Case studies, such as those involving Costco and Associated Wholesale Grocers, emphasize the beneficial outcomes of these modernization efforts in supporting cloud migration and improving efficiency.
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Re-Architect Your Legacy Environment To Enable An Agile, Future-Ready Enterprise
- 1. Leave your legacy Modernizeyour legacy environment to enable an agile future-ready enterprise
- 2. Speakers Cameron Jenkins Global PracticeDirector, Application Modernization Services Dell Services Greg Ogburn Senior Solutions Architect, Application Modernization Services Dell Services Jon Payne Senior Vice President and Chief Information Officer, Associated Wholesale Grocers
- 3. Shift from cost-savingsfocus to business agility Businesses’ ability to scale up 3rd Platform adoption will require changes to IT operation that bring agility and overcome siloed legacy systems. This will make agile development the de-facto norm. - IDC By 2016, >50% of Application Modernization efforts will address business demand for Enhanced functionality - Gartner By 2018, agile and iterative development will require 30% of resources for application testing engagements to be on- site or onshore - Gartner Research suggests that business agility is the new source of business value - Forrester Application modernization and increasing agility will continue to be a solid driver for Application Development spending, apart from other emerging dynamics of cloud, mobility and social computing - Gartner By 2016, >50% of application modernization efforts will address business demand for enhanced functionality to legacy applications and not cost reduction. - Gartner The primary focus of IT will remain on the care and operation of the existing applications, which are the lifeblood of the enterprise - Gartner Bimodal will gain traction for enterprise strategies - Gartner What we’ve heard…
- 4. Modernization drivers • Streamlineoperations, reduce maintenance costs • Manage demand for quality, cost, service, access • Shift spend from maintenance to innovation • Regulatory compliance & security • Speed of response to market changes • Lack of agility • Brittle legacy systems hold back innovation • High-cost legacy platforms • Complex portfolios • Performance and scalability Journey to simplified environment via Application Modernization to support business goals Outcomes Future-ready Digital Scalable Business agility Reduced operating costs Increased security Faster response times Cloud-enabled Open infrastructure IT challenges Business challenges
- 5. Journey to amodern environment x86 Lower cost Platform Virtualization & cloud Business Agility Mobility Packaged apps Analytics & big data Security Rationalization Strategic Modernization Roadmap Dell Application Re-hosting • Preserve existing investments • Migrate from Mainframe to x86, UNIX, or Linux on System Z • Consolidate UNIX applications and data to Linux or Windows Dell Application Re-architecture • Leverage modern Java or .NET architecture and packages • Extract business logic from mainframe, midrange, and client-server systems • Retire legacy languages and infrastructure Replace Refresh Retain Retire Current legacy environment Dell Application Modernization Services Digital Target environment
- 6. Dell Strategic ModernizationRoadmap Transformation Programs Project Project Project Project 1 Project 2 Project 3 Project 5 Project 4 This Planning Cycle Mnth 1 Mnth 2 Mnth 3 Mnth 4 Mnth 5 Mnth 6 Mnth 7 Mnth 8 Mnth 9 Mnth 10 Mnth 11 Mnth 12 Next Planning Cycle Mnth 1 Mnth 2 Mnth 3 Mnth 4 Mnth 5 Mnth 6 Mnth 7 Mnth 8 Mnth 9 Mnth 10 Mnth 11 Mnth 12Mnth 1 Mnth 2 Mnth 3 Mnth 4 Mnth 5 Mnth 6 Mnth 7 Mnth 8 Mnth 9 Mnth 10 Mnth 11 Mnth 12 Third Planning Cycle Mnth 1 Mnth 2 Mnth 3 Mnth 4 Mnth 5 Mnth 6 Mnth 7 Mnth 8 Key: Line Action Start Dependency Value Dependency Program 5 Program 3 Program 2 Program 4 Program 1 Program 6 Project Project Project Project Project Project Project Project Project Project Project Project Project Project Project Discovery phase Capture and link strategic drivers, business capabilities, code and data in a unified, transparent model Analysis phase Group assets by capabilities, determine the right trajectories, and evaluate the program impacts of technical dependency and complexity. Planning phase Collaboratively develop a program plan to address strategic drivers and resolve technical challenges
- 7. Costco Largest membership warehouseclub chain in the US benefits from Dell Strategic Modernization Roadmap Business Challenge The worlds largest AS/400 system is comprised of over 12 million lines of RPG code and not able to handle Costco’s rapid expansion Solution Developed a Strategic Modernization Roadmap for incremental SAP implementation Results • An actionable 7-year program plan to migrate to SAP and retire the AS/400, with specific integration requirements at each step • Minimized legacy integration requirements • Dell Repository automatically monitors changes to the legacy environment during the 7-year migration
- 8. Application re-hosting solutionsmove existing business logic and data investments onto modern platforms.
- 9. Dell application re-hostingoverview Mainframe re-hosting details Open systems IBM z/OS compatibility stack IBM z/OS mainframe environment stack TN3270 ECI/EPI JEE Sockets SOAP/XML FTP Interfaces 3270 Access MQ Interfaces TN3270 ECI/EPI JEE Sockets SOAP/XML FTP Interfaces 3270 Access MQ Interfaces Migration components 3rd party infrastructure VSAM, sequential, GDGs IBM DB2, IBM IMS-DB COBOL, PL/I, Easytrieve Plus, Assembler, other JCL/JES IBM CICS, IBM IMS TM IBM z/OS, IBM z/VSE 3rd Party infrastructure VSAM, Sequential, GDGs RDBMS (Oracle, DB2 LUW, SQL Server…) COBOL, PL/I, Easytrieve Plus, other Dell BPE Batch JCL & JES Dell TPE Transaction monitor Linux, UNIX, Windows Review / replace Application logic Batch environment Online environment Platform Data migration Re-host to modern platform with no change in functionality Retain experienced staff Platform positioned for future growth at reduced costs Minimal changes HP StorageWorks XP24000 Disk Array ALARM READY MESSAGE PUSH HP StorageWorks XP24000 Disk Array Mainframe application compatibility middleware RACF, ACF2, Top Secret Dell TSF, Target OS securitySecurity profiles
- 10. Flexible, full-service solutionapproach Proven project methodology & risk mitigation process Dell follows a proven migration methodology consisting of many flexible service offerings that are tailored to meet the business objectives and technical needs of an organization. The image below shows many of the services that Dell can offer, including many that will be proposed for the mainframe re-hosting project. Technical feasibility and business impact • Goals and corporate directives • Application and environment characteristics gathering • Preliminary proposal leading to decision to proceed Project methodology validation • Asset cataloging • Assessments – Source – Operational – Infrastructure • Asset grouping • Optional custom workshops • Optional POCs Detailed project plan and implementation • Infrastructure / Operational Implementation • Application migration implementation • Data migration tools • Bridging Implementation • Training • Application retrofit Final validation and production cutover • Baseline Preparation • Regression testing • Performance testing • Application discrepancy correction • Production readiness and cutover support Managed services solutions • Dell enterprise product support and maintenance • Support triage • Short term turnover services • Managed services – On-going application maintenance & development – Help desk • Managed hosting Discovery Design Implement Test/Deploy Post implement
- 11. Associated Wholesale Grocers(AWG) Business Challenge Associated Wholesale Grocers (AWG) was looking to modernize their core business applications to reduce costs, and prepare to move to the cloud. Solution Dell undertook a comprehensive assessment and developed a migration plan that included moving off a complex IBM infrastructure to an open system. Results • Modernized platform supports AWG’s migration to the cloud • Reduced operating costs by 10% • Improved disaster recovery capabilities; a recent disaster recovery test validated that the system works and that the investment was worth it
- 12. Re-architecture builds amodern application framework based on business functionality, then migrates legacy logic and data into that framework to deliver business agility and reduce future costs.
- 13. Dell Re-architecture overview Completetransformation to best practice Java or .NET architecture Re-architected Java / .NET System Data Entry & Report Transaction Screens Exception Screen Cross-platform Front end Daily Batch Monthly Batch Key Code Component System Interfaces Stored Procedure Shared Data Store Nested Redefines Legacy Data Store Visible Requirements Hidden Requirements Legacy System Service/Application Layer • Encapsulates business logic • Horizontally scalable • Integrates with packages Service Bus Presentation Layer • Web, modern • Mobile-ready Analytics/Reporting Engine • Self-service • Business-facing Data Layer • Engineered for performance and extensibility • Relational and/or big data Job schedule Infrastructure Layer • Virtualized or cloud for scalability and flexibility • Aligned with enterprise standards and investments
- 14. Re-architecture method The DellRe-architecture difference Methodology & Tools Phase 3: Develop & Test Outcomes: Modernized & tested application source code with migrated legacy data. Uses best practices for SOA and leverages commercial software packages. Phase 2: Design Outcomes: Validated design. Implement legacy and enhancement functionality leveraging modern application and data architecture Phase 1: Discover & Plan Outcomes: Baseline holistic legacy model linking business use to code and data, enhancement requirements, detailed plan with precise scope and accurate estimates Holistic, integrated code, data and business use case analysis provide a complete, business- validated requirements baseline combining visible and hidden requirements. Re-architecting leverages modern frameworks and architecture practices, typically resulting in 75% reduction in lines of source code, and a truly future-proof system Automated code generation and data modernization capabilities mitigate risks and drive down maintenance cost for the modernized system. Online collaboration and transparency across the team to simplifies business engagement, and enables distributed teams. US Patents 7.996.413 8.150.896 US Patents 8.831.964 8.639.675 7.996.413 Dell Repository Dell Analyzer Dell Data Workbench Dell Designer Dell Code Generator
- 15. Government of Saskatchewan Justicebetter served with modernized IT system Business Challenge Criminal justice employees were challenged with too many manual and paper business processes and four 30-yr-old disjointed data systems Outcome • Consolidated the functions of four major systems into a single modern app • Eliminated duplicate data and reduced total volume of data • Streamlined procedures across the Ministry • Low-cost Intel platform and commodity infrastructure “In working with our Ministry to learn our business issues and find solutions, Dell’s Application Modernization Services team plays a vital supporting role in our project’s success, now and going forward.” Rick Davis, Director, Operational Support, Saskatchewan Ministry of Justice, Corrections and Policing
- 16. Dell Software productsand Patented IP Dell Analyzer • Automated code analysis and logic extraction for any source language • Cross-language, cross-platform dependency analysis Dell Repository • Integrated requirements management, reverse- engineering and design • Business capability mapping to legacy assets • Customer and team collaboration Dell Data Workbench • Data modernization, refactoring, migration, profiling and auditing Dell Designer • Integrated user interface and service design Dell Code Generator • Consistent model-driven generation of user interface, service and data layer code • Highly maintainable code with no runtime requirements • Compliant with a broad range of target architectural frameworks Dell Transaction Processing Environment • Scalable, native, distributed transaction processing platform for CICS, IMS TM, other workloads Dell Batch Processing Environment • Scalable environment for developing, scheduling, executing and managing batch based workloads Dell TPE and BPE Manager • Provide monitoring and management for the online and batch application execution environments Dell Enterprise COBOL • Powerful COBOL mainframe offloading and modernization platform Dell Transaction Security Facility • External security manager providing Role Based Access Control (RBAC) based transaction processing security Dell Hierarchical to Relational (H-RDB) console • IMS DB conversion and runtime support Dell Re-host Solution Suite Dell Re-architecture Solution Suite Comprehensive, fit-to-method, toolkit for legacy analysis and Re-architecture Comprehensive distributed platform and tooling for supporting re-hosted mainframe workloads Dell Automated Migration Solution Suite Dell Automated Assessment Workbench • Automated portfolio assessment capabilities for legacy based workloads Dell Automated Conversion Workbench • Collection of tools and utilities to support the migration of legacy programs and data to a distributed environment – Mainframe languages (Assembler, ADSO, Mark IV, etc.) to other (e.g. COBOL, C, Java, etc.) – Mainframe data structures (IMS DB, IDMS DB, Adabas, Datacom, etc.) to RDBMS • C/C++ to Java • ASP to ASP.NET • Oracle Forms to Java • Lotus Notes to Salesforce • WebLogic to JBoss • Struts to Spring Dell Automated Upgrade Workbench • Oracle Upgrade Assessment Tool • PeopleSoft Upgrade Impact Analysis • Various Java Framework Upgrades Automated code assessment, conversion, remediation, and upgrade impact analysis solutions
- 17. Why Dell ModernizationServices? End-to-end solutions • Hardware, software and services • Flexible engagement model • Integrated with Dell Services IT outsourcing, maintenance, testing and development teams 25+ years of experience • Proven track record of success • Established methodologies • Trusted partner network • Single point of accountability • Domain and package expertise • Global and local resources Unique and patented Dell IP • Broad range of market-tested tools and software
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