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Ronald Nunan. Incorporating mainframe legacy applications into SOA. Agenda. SOA and market momentum Verastream family Real world problems and solutions Verastream Host Integrator Verastream Transaction Integrator Verastream Web Integrator Verastream Bridge Integrator.

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Ronald Nunan

Incorporating mainframe legacy applications into SOA


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Agenda

  • SOA and market momentum

  • Verastream family

  • Real world problems and solutions

    • Verastream Host Integrator

    • Verastream Transaction Integrator

    • Verastream Web Integrator

    • Verastream Bridge Integrator


Can t sleep can t imagine why l.jpg

Can’t sleep? Can’t imagine why…

New regulations

What is our long

term strategy?

It’s time to test our business contingency plans again

Do more with less?

That doesn’t even make sense…

Another merger?!

Competitive pressures

The CFO wants to review the project ROI this week….

COBOL programmer retiring - how will we find a replacement?


Agility is the answer l.jpg

“Agility” is the Answer

Businesses must be agile

IT enables business agility

An architectural strategy is key

IT pace is a problem

  • IT faces continuous change

  • IT is more involved with business units than ever before

  • Old approaches are too slow


Market observations l.jpg

“The number of organizations where SOA is the preferred approach for new projects has grown from 37% in 2005 to 53% in 2006”[IDC survey, June 2006]

IT Apps

SOA

Market Observations

  • SOA is increasingly the answer for agility

  • For IT initiatives today, SOA is a best practice approach


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The Challenge IT Organizations Face

  • Leverage existing application assets

    • Extend use of applications

    • Align with technology direction

    • Tap appropriate skill-sets

  • Minimize risk

    • Enterprise class apps

    • QoS, Regression,…

  • Keep projects moving forward


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How do you implement agility?

The goal is the architecture

What technology

SOA? EDA? Both?

Middle tier?

ESB? BPM? BI?

Java? .NET? Both?

ITSM? ITIL?


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Elements of Agile Architecture


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The Reality of Legacy

  • Valuable

    • High business value

    • Typically mission critical

  • Problematic

    • Not agile by design

    • Major undertaking to replace

Legacy systems are too important not to participate!


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Destination Agility – You choose the route

The technology is yours alone

SOA is an architecture

The choice is about your business

Aligning IT implementations

Legacy can participate

Rewrite or re-host

‘Wrapper’ approach

Low risk approach

Evolve applications

Non-invasive legacy inclusion is possible


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Integration Product Family

Non-invasive screen solution

Host-based hybrid solution

Transaction and data access solution


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Case Study – Edfinancial Services

  • Problem

    • Financial services have evolved to the point where self-service activities with partners and customers is expected.

    • Self-service applications are essentially activities that are a subset of existing applications

  • Technically

    • Multiple outside customers need real-time, read-write access to loan data for queries and updates


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Case Study – Edfinancial Services

Goals

Use existing legacy systems and applications to build self-service applications

Apply an SOA approach so future needs can be accommodated

Solution

Non-invasive host interactions using Verastream Host Integrator

Create services through ‘controlled navigations’

Used BizTalk to buid customer facing loan application

Biztalk used Verastream services to handle host queries and updates

Loan App

Verastream

Host Integrator


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Verastream Services

BizTalk App built

From services

Customer facing Loan

App w/ embedded

legacy access

COBOL

COBOL

Verastream

Host Integrator

BizTalk

Terminal access

Result

  • Built services through a simple drag-and-drop designer

  • Simplified the host interactions

    • Reduced 6 hosts screens into a Web Service operation

zSeries

Loan

App


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Credit Bureau - Experian

  • Problem

    • Too many architectures involved within the enterprise

    • Stretched skills beyond comfort

    • Neutralized economies of scale

  • Need

    • The goal was to rollout a common architectural platform to be used for backend systems

    • Approach needed to span application and data access

    • Existing assets (Legacy) as well as new initiatives needed a single access architectural approach


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Preferred Solution

  • Goal

    • Implement standard SQL style access across systems

    • Use a non-invasive approach for legacy application

    • Quick implementation to service a short time-to-market

  • Solution used multiple access methods

    • Verastream Transaction Integrator for CICS DPL access

    • Screen access through Host Integrator

    • Data access through Verastream Data Integrator

    • All access methods combine to build a set of services for consistent mid-tier use


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Verastream

Host Integrator

COBOL

COBOL

Verastream

Host Integrator

Verastream

Host Integrator

Result

  • Services built from specific access methods

  • Use is generic and not dependent on access type

zSeries

Loan

App

VSAM

DB2


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  • Hi Kevin,

  • Please see my response below:-

  • Fidelity National Information Services (FIS) is a provider of financial institution processing. Loan processing happens to be on of the things FIS does very well with their ALSCOM platform. The North Carolina State credit union has over 200 branches. The Credit Union found the need to automate the loan origination processes in order to reduce loan processing lead times. This could increase its market share and make its loan offerings more attractive to their customers. The Credit union stores most of its financial information on Mainframes. The Presentation layer of the CICS application encapsulates logic utilized by the ALSCOM loan processing workflow. Leveraging this was important to FIS and the Credit Union. Attachmate provided the technology to mine Mainframe data and host logic at Presentation layer.

  • The Credit Union has improved its consumer lending business immensely. They are extending their loan marketing channels by extending customer/consumer information to Tellers by unlocking a lot of the intelligence that resides on the Mainframe. They are doing this by using tools that access the Presentation layer of their CICS applications. They are doing so with Attachmate's Verastream 3270 Bridge integrator.

  • Regards,

  • Tambu


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Verastream -- Developing for Agility

Thank you


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Color Palette

Color Picker Chips

Primary Palette

R: 254

G: 190

B: 68

R: 2

G: 132

B: 193

R: 123

G: 12

B: 0

R: 228

G: 99

B: 0

R: 255

G: 228

B: 95

R: 160

G: 225

B: 254

R: 165

G: 35

B: 38

R: 255

G: 150

B: 71

Secondary Palette

Copy and paste onto working slide for color reference

R: 122

G: 115

B: 0

R: 114

G: 41

B: 70

R: 163

G: 163

B: 163

R: 63

G: 86

B: 121

R: 104

G: 134

B: 178

R: 162

G: 58

B: 100

R: 194

G: 194

B: 194

R: 168

G: 160

B: 0


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THREAT DETECTION

CHANGE DETECTION

SECUIRTY/LOCK

KEY

NETWORK

DATABASE

DATABASE OLAP

CALENDAR

3RD PARTY TOOLS

VIRTUALIZATION

SWITCH

ROUTER

SECURITY HUB

LOAD BALANCER

FIREWALL/GATEWAY

GROUP POLICY

RECYCLE/TRASH

DESKTOP

IP PHONE

LAPTOP


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PDA/SMART PHONE

INTERNET/CLOUD

DESKTOP W/DISPLAY

DISPLAY

SERVER

EMAIL SERVER

PRINTER

CD DRIVE

HARD DRIVE

WIRELESS TOWER

EMAIL

USER (HALF)

USER GROUP (HALF)

USER (FULL)

USER GROUP (FULL)

HACKER

ACTIVE DIRECTORY

APP SERVICES

MONITORING

CUSTOM APPLICATIONS


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TREND REPORTING

LOG FORENSICS

DATA REPORTS

STANDARDS

TASKS

REPORTS

SNAPSHOT

CONFIGURATION

FINANCE

HEALTHCARE

RETAIL

PRIVATE

PHARMACEUTICAL

MANUFACTURING

GOVERNMENT

TELECOM


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