Web-enabling mainframe applications
- 1. Web-enabling Mainframe Applications Jeff Krukin Corp. Applied Technology Manager Attachmate Corporation Nov. 14, 2000
- 2. “I’d like to change the world, but they won’t give me the source code.” - Anonymous
- 3. Attachmate’s history Since 1982, Attachmate has developed and sold software products and services that enhance the use of legacy systems by making them available to new types of users via new technology platforms. DOS PC’s 16-bit Windows 32-bit Windows LAN’s Internet Wireless
- 4. Demand High-Use Employees Customers Server-based Applications Supply Low-Use Employees Direct Real-Time Two-Way Transactions Linking Information Demand to Supply Batch Transactions • >80% of app. integration is batch FT • >80% of B2B/B2C purchasing integrated with legacy apps. is via batch FT Source: Gartner App. Integration Fall 2000 ConferenceData Store Partners
- 5. Any number of enterprise applications can be extended using any of the five methods at any point in time! Revisiting Enterprise Applications Refacing* Time & Cost to Implement Business Value Repurposing* Restructuring Reengineering Replacing* *No change to host code
- 6. Putting a GUI or browser face on legacy green screens (one-to-one) Refacing Repurposing Restructuring Reengineering Replacing Refacing Enterprise Applications Time & Cost to Implement Business Value
- 7. Thick Client Refacing Refacing Products EXTRA! Enterprise 2000 EXTRA! Personal Client INFOConnect • Emulation enhanced with: • Quickpads • Navigation • Perfect for high-use employees • Advantages: • Full features for power users • Easy integration with Windows applications • Upgrade path to other Refacing products
- 8. Thin Client Refacing Refacing Product e-Vantage WebPublish • Converts host text screen to a mouse-navigated interface (HTML) • Perfect for low-use employees and business partners • Users see familiar host screens, but navigate more easily • Advantages: • Speed • Accuracy • Cost Reduction
- 9. Browser Applet Refacing Refacing Product e-Vantage Host Access Server • Thin browser applet (Java or ActiveX) • Perfect for geographically distributed employees • Deployed in as little as one day • Distributed & managed from a server • Advantages: • Speed • Cost Reduction • Deployment • Support
- 10. Custom Objects Refacing Refacing Product e-Vantage Enterprise Access Objects • Custom-built with Java or ActiveX objects • Specific to host application • Perfect for new or remote employees and business partners • Easy-to-use with little or no training • Implemented in 3-5 weeks • Advantages: • Adaptable • Customizable • Secure
- 11. Using desktop and server business rules to change the purpose of an enterprise application Refacing Repurposing Restructuring Reengineering Replacing Repurposing Enterprise Applications Time & Cost to Implement Business Value
- 12. Repurposing for employees Repurposing Product e-Vantage HostPublishing System • Intranet: direct information access for employees • Integrates and filters disparate resources • Server aggregates data (XML, ODBC) and delivers HTML GUI • Advantages: • Speed-up communications • Improve efficiencies • Easy web interface • Data encryption
- 13. Repurposing for business partners Repurposing Product e-Vantage HostPublishing System • Examples of externalization projects: • Filtered information to vendors • Order status to sales channels • Access is secured by logon and password • Advantages: • Strengthened partnerships • Faster value chain • Reduced labor and costs
- 14. Repurposing for customers Repurposing Product e-Vantage HostPublishing System • Create unique web applications for your customers • Improve service levels by processing online transactions in real time • Create custom business logic to integrate multiple applications • Advantages: • 24x7 (self) service • Cost reduction • Efficiencies
- 15. Breaking enterprise applications into presentation, data, and connectivity layers for improved integration Refacing Repurposing Restructuring Reengineering Replacing Restructuring Enterprise Applications Time & Cost to Implement Business Value
- 16. HostsServers 24h a 24h a 24a h a 24a UI/GUI Data Bus. Logic Architectural model for Restructuring: components spread across multiple tiers
- 17. Restructuring via process integration Restructuring Product e-Vantage BizManager • Integrate transaction systems using server-based session management • Customers and partners check orders via the internet • Use with JD Edwards Order Entry, AS/400 Systems, SAP, Baan, etc. • Advantages: • Cost reduction • Speed • Mobility • Accuracy • Security Data Pages Objects I-CONNECTORS •Screen •CICS •IMS •Direct Data HTML, XML,WML ASP,JSP COM, Java
- 18. Restructuring Product PalmFrame Restructuring via new containers • Cell phones –WAP & WML • Palm Pilot or Windows CE devices • Perfect for mobile work force • Advantages: • Speed • Higher productivity • Cost reduction • Mobility • Accuracy • Security
- 19. Reengineering Enterprise Applications Complete rewrite of enterprise application Time & Cost to Implement Refacing Repurposing Restructuring Reengineering Replacing Business Value
- 20. Reengineering via Enterprise Application Integration Reengineering Product e-Vantage BizManager • Middleware wrappering & integration with transactions or other data sources • Ex.: XML interfaces between business applications • Expand applications beyond original design • Advantages: • Integrate business processes (logic) • High ROI • Old data, new possibilities Data Pages Objects I-CONNECTORS •Screen •CICS •IMS •Direct Data HTML, XML,WML ASP,JSP COM, Java
- 21. Replacing enterprise application with ERP or other “off the shelf” software package Refacing Repurposing Restructuring Reengineering Replacing Replacing Enterprise Applications Time & Cost to Implement Business Value
- 22. Replacing via Enterprise Application Integration Replacing Product e-Vantage Enterprise Access Objects • Legacy apps. combined with other apps., including ERP and CRM • Client-based integration • Create extranet or intranet applications • Advantages: • Reusable objects • Highly flexible • Lower costs • Enhances ongoing integration • Accommodate merged functions
- 23. Replacing via process integration Replacing Product e-Vantage BizManager • Support for HTTP, IBM MQ Series, & Microsoft Message Queue transports • Support for XML-enabled Intelligent connectors: • CICS, IMS, JDBC, Screen (LU2) • Data translation & transformation services • Error handling/logging • Advantages: • Integrate business processes (logic) • High ROI • Old data, new possibilities Data Pages Objects I-CONNECTORS •Screen •CICS •IMS •Direct Data HTML, XML,WML ASP,JSP COM, Java