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Phased soa integration of people soft and 3rd party applications

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Information about Phased soa integration of people soft and 3rd party applications
Technology

Published on April 27, 2010

Author: gronkstr

Source: slideshare.net

Description

Companion Slides for White Paper written for Northrop Grumman Presentation at Collaborate 10:
A challenge arises when creating a new integration between systems when one system is not able to communicate through Web Services due to technology and/or training and resources. Is the solution to create old style integrations using batch processes and flat files until both systems are able to implement Web Services? Worse yet, do we spend more money to redevelop the existing interface once we have the ability to do it better?
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Phased SOA Integration of PeopleSoft and 3rd Party Applications Collaborate Conference April 18-22, 2010 Randy Groncki Senior PeopleSoft Developer Northrop Grumman Corporation

Agenda Driving Question Integration Summary Web Services Definition Our Challenge The phased approach Our ultimate destination: Phase 2 How are we going to get there: Phase 1 The cutover Questions and discussion

Driving Question

Integration Summary

Web Services Definition

Our Challenge

The phased approach

Our ultimate destination: Phase 2

How are we going to get there: Phase 1

The cutover

Questions and discussion

Driving Question In a world where not all your applications are web serviced enabled, how do you NOT spend resources to develop an interface twice? Once now using older style batch processes Again later when that other system becomes SOA Enabled

In a world where not all your applications are web serviced enabled, how do you NOT spend resources to develop an interface twice?

Once now using older style batch processes

Again later when that other system becomes SOA Enabled

Integration Summary: PeopleSoft HCM PeopleSoft 8.8 HCM Enterprise Learning module controls internal agency classroom training Customer only Course and Facilities scheduling Instructor scheduling Course rosters and status Communications

PeopleSoft 8.8 HCM Enterprise Learning module controls internal agency classroom training

Customer only

Course and Facilities scheduling

Instructor scheduling

Course rosters and status

Communications

Integration Summary: Plateau Plateau Learning LMS Live and Recorded Web Seminars CBT classes Serves multiple outside clients Web based application Hosted by Customer

Plateau Learning LMS

Live and Recorded Web Seminars

CBT classes

Serves multiple outside clients

Web based application

Hosted by Customer

Integration Summary - Target PeopleSoft and Plateau will maintain course and enrollment information between the systems in near real time using Web Services PeopleSoft will update Plateau course catalog with Course, Session and Facility information Plateau will enroll students into PeopleSoft courses following PeopleSoft’s business rules Both PeopleSoft & Plateau will keep the other systems informed of changes to student enrollments

PeopleSoft and Plateau will maintain course and enrollment information between the systems in near real time using Web Services

PeopleSoft will update Plateau course catalog with Course, Session and Facility information

Plateau will enroll students into PeopleSoft courses following PeopleSoft’s business rules

Both PeopleSoft & Plateau will keep the other systems informed of changes to student enrollments

Integration Vision Near Real Time Integration Changes to integration data are sent as individual transactions upon save Web Services communicate changes between systems Each system constantly “Listens” for updates from the other system Think “Mailbox”, not “Telephone Call”

Near Real Time Integration

Changes to integration data are sent as individual transactions upon save

Web Services communicate changes between systems

Each system constantly “Listens” for updates from the other system

Think “Mailbox”, not “Telephone Call”

Integration Problem Plateau is Web Services capable, but… The Plateau support team does currently possess the skills and time to leverage the Plateau SOA Functionality Their plan is to train and implement Plateau web services during next upgrade Currently only capable of traditional interfaces

Plateau is Web Services capable, but…

The Plateau support team does currently possess the skills and time to leverage the Plateau SOA Functionality

Their plan is to train and implement Plateau web services during next upgrade

Currently only capable of traditional interfaces

Web Services: Definition Provider Creates functionality and makes it available to other applications and processes Defines the communication process Data file composition and description Communication methods and security Constantly listens for requests Consumer Consumes (uses) Web Services Initiates Communication Must adhere to Provider’s rules Near Real Time

Provider

Creates functionality and makes it available to other applications and processes

Defines the communication process

Data file composition and description

Communication methods and security

Constantly listens for requests

Consumer

Consumes (uses) Web Services

Initiates Communication

Must adhere to Provider’s rules

Near Real Time

Web Services Plan Service Provider Consumer Psoft Course Update Plateau PeopleSoft Psoft Session Update Plateau PeopleSoft Psoft Facility Update Plateau PeopleSoft Psoft Room Update Plateau PeopleSoft Course Update Status PeopleSoft Plateau Enroll/Change in Psoft course PeopleSoft Plateau Enroll Status Plateau PeopleSoft Enroll/Change in Psoft course Plateau PeopleSoft Enroll Status PeopleSoft Plateau

Integration Data Points PeopleSoft to Plateau Course Information Course Session Table Facilities Table Facilities' Rooms Table Changes to Plateau enrollments of PeopleSoft courses Plateau to PeopleSoft Enrollments into PeopleSoft Courses Changes to enrollments in PeopleSoft Courses

PeopleSoft to Plateau

Course Information

Course Session Table

Facilities Table

Facilities' Rooms Table

Changes to Plateau enrollments of PeopleSoft courses

Plateau to PeopleSoft

Enrollments into PeopleSoft Courses

Changes to enrollments in PeopleSoft Courses

Integration Plan Phase 1 Plateau & PeopleSoft communicate through shared database tables hosted on Plateau Changes to source data update the integration tables in real time Recurring batch processes read the integration tables and update the target systems Phase 2 PeopleSoft and Plateau communicate Phase 1 data through Web Services Data updates in Near Real Time

Phase 1

Plateau & PeopleSoft communicate through shared database tables hosted on Plateau

Changes to source data update the integration tables in real time

Recurring batch processes read the integration tables and update the target systems

Phase 2

PeopleSoft and Plateau communicate Phase 1 data through Web Services

Data updates in Near Real Time

Phase 2 Integration Example PeopleSoft adds a course offering Psoft Course Table Psoft Integration Broker * Plateau Application Server * Plateau Course Offerings XML Document * 1. Course added through PSoft 6. Psoft receives status of course add in Plateau * 5. Plateau sends XML Document to Psoft with Status * 4. Plateau creates status of the update: Success or Fail 3. Plateau App Server receives XML Doc with new course data and update Plateau course offerings * 2. Psoft Integration Broker publishes XML Messages to Plateau * * Web Service

Phase 2 Integration Example New Course Enrollment Find/Set student in PeopleSoft (C.I.) 1. Student enrolls in Psoft Course through Plateau Enroll student in course (C.I.) Enrollment Handler (App Package) Psoft Integration Broker * Plateau Application Server * Plateau XML Document * * Web Service 2. Plateau sends message with new enrolment to Psoft Enrollment Web Service * 3. Psoft IB Listener (Web Service) receives message and hands data to handler * 6. Psoft sends status of enrollment to Plateau * 7. Plateau receives enrollment status message and processes * 5. Attempt to enroll student in course 4. Find or create student in PSoft

Phase 1 Solution Phase 1 focuses on integration processes and business rules Web Services solution is too aggressive for Phase 1 integration implementation Applications communicate through DB Tables hosted by Plateau PeopleSoft portion is coded to easily convert to Phase 2 Web Services solution Create Surrogate Plateau Web Services to complete communications loop

Phase 1 focuses on integration processes and business rules

Web Services solution is too aggressive for Phase 1 integration implementation

Applications communicate through DB Tables hosted by Plateau

PeopleSoft portion is coded to easily convert to Phase 2 Web Services solution

Create Surrogate Plateau Web Services to complete communications loop

PeopleSoft Phase 1 Solution Permanent solution coded as if full Web Services implement and working in both systems Changes to Integration tables, both course and enrollments, publish through internal, PeopleSoft web services Enrollments updates from Plateau “listen” for enrollment Web Services messages to process

Permanent solution coded as if full Web Services implement and working in both systems

Changes to Integration tables, both course and enrollments, publish through internal, PeopleSoft web services

Enrollments updates from Plateau “listen” for enrollment Web Services messages to process

PeopleSoft Phase 1 Solution (Cont) Temporary (Surrogate) Web Services built in PeopleSoft acts as Plateau System “ Listener” captures Web Service messages published by PeopleSoft and writes data to DB integration tables for Plateau to read Batch process reads enrollment DB Integration table and publishes Web Service messages for PeopleSoft enrollment listener to catch and process Status updates work in the same method as above

Temporary (Surrogate) Web Services built in PeopleSoft acts as Plateau System

“ Listener” captures Web Service messages published by PeopleSoft and writes data to DB integration tables for Plateau to read

Batch process reads enrollment DB Integration table and publishes Web Service messages for PeopleSoft enrollment listener to catch and process

Status updates work in the same method as above

Plateau Surrogate Phase 1 Integration Example PeopleSoft adds course offering PeopleSoft Course Table Psoft Integration Broker * Psoft App Engine reads status for update Plateau XML Document * * Web Service 1. Course added though Psoft Psoft Integration Broker * Shared Course Int. Status Table Shared Course Integration Table 4. Plateau reads course updates in batch and applies changes to Plateau course offerings 6. App Engine publishes Plateau course update status * 3. Psoft IB Receives Web Service Message with new course data and updates common integration table * 2. Psoft Integration Broker publishes Web Service messages to Plateau * 7. Psoft receives status of course added in Plateau * 5. Plateau creates the status of the update: Success or Failure

Phase 2: Web Services Minimal code change in PeopleSoft to convert to final Web Service Integration solution with Plateau Turn off Plateau Surrogate Web Services System Surrogate Listeners Batch Process Publishers DB Links for cross system update of integration tables Create new routing definitions to communicate with Plateau Implement Security SOAP wrappers for message security Transport Security (SSL)

Minimal code change in PeopleSoft to convert to final Web Service Integration solution with Plateau

Turn off Plateau Surrogate Web Services System

Surrogate Listeners

Batch Process Publishers

DB Links for cross system update of integration tables

Create new routing definitions to communicate with Plateau

Implement Security

SOAP wrappers for message security

Transport Security (SSL)

Conclusion Demonstration

Conclusion Questions?

 

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