Expresso Series is a comprehensive suite of software
development and deployment tools designed to provide seamless
integration of heterogeneous legacy systems into Web and
Expresso's non-intrusive approach to legacy system integration
eliminates the risk associated with traditional legacy integration
tools which require changes to existing legacy systems or installing
new software on the mainframe. Expresso employs cutting edge,
object oriented technology and advanced pattern-recognition
algorithms to provide fast and efficient access to legacy
applications without compromising the security, robustness and
availability of the existing legacy systems.
With Expresso Series, developers can build new applications in a
fraction of the time required of conventional development tools while
leveraging their investment in existing legacy systems. The net
result is reduced cost and increased productivity combined with a
scalable, multi-tier enterprise architecture with load-balancing and
Features and Benefits
- Intuitive Point & Click Interface
Requires no Coding and no Scripting
Rapid Legacy Application Integration into
Web and Client/Server environments. Cuts the
development time 10 -- 15 times compared to
traditional HLLAPI options.
- Non-intrusive approach to Legacy Integration
Preserves customer investment in existing
legacy systems. Eliminates the risk of
disrupting customer operating environment
and Information Systems.
- Concurrent access to multiple heterogeneous legacy systems
A developer can easily combine data from
multiple legacy data sources (IBM mainframe,
AS/400, UNIX, VAX/VMS) into a single Web
page or C/S app.
- Multi-Tier Architecture
Deployment Flexibility of 3 or N-tier
architecture provides scalability and
robustness required for enterprise deployment.
- Open Architecture
Development Flexibility of various
Client/Server and Web development
environments including Java, Visual Basic,
Visual C++, Forte, OpenStep
- Multi-threaded Architecture with Load Balancing and
Reliability and Robustness required for
Supports all mainframe security packages
(RACF, ACF-2, Top Secret). Provides
additional multi-level security that can be
coupled with the security schema of the
selected deployment platform (Solaris, Win NT).
- Maintenance and Support
Fuzzy logic is provided to accommodate host
screen changes. When significant traversal
logic changes occur, a single, server-resident
application model needs to be updated. No
changes are required to the client application.
ExpressoServer provides comprehensive audit
- Runtime Monitoring and Error Handling
Audit-trail facility provides multi-level
diagnostic and logging (based on UserID,
Client IP address/DNS name, Model name).
Runtime statistic gathering.
Supports multiple concurrent development
and deployment platforms. Simultaneously
supports C/S and Web applications. Easily
expandable to accommodate new platforms.
- Migration Options
Employs a Database paradigm for legacy
system access. Legacy Data Source is
completely independent from the application
business logic and can be accessed via ODBC.
Switching from a mainframe to C/S only
requires changes to data source access layer.
Step-wise migration options.
- Development Effort & Ease of Use
Point & Click GUI Modeling tool. Simple
methods to access data from developer chosen
environment. No external skill sets needed
other than knowledge of legacy application
screens and knowledge of chosen development
Legacy Application Analysis &
- Graphical Analyzer
view of legacy application including
traversal paths and navigation display
- Performance Analyzer
determining and optimizing traversal performance
- Screen Signature Analyzer
Tool for comparing screen signatures (which are generated automatically) and
modifying signature if conflict
- Model Validator
Tool that verifies completeness and traversability of the
- Mainframe Emulator
Development tool which allows model building to take place
off-line using traces
- Tracing Facility
Captures terminal data streams for playback and
debugging in Mainframe Emulator
- Off-line Snapshot Mode
Allows developer to work offline using snapshots of screens
- Development SDK
Compatible with chosen development environment debugger
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