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![Page 1: Petals SAP Point Of Sale System Third Project Presentation M.Tech Team SE 15 (Saturday) Team 08 17-Jan-2009.](https://reader035.fdocuments.us/reader035/viewer/2022070400/56649f155503460f94c2ab46/html5/thumbnails/1.jpg)
Petals SAP Point Of Sale System
Third Project PresentationM.Tech Team SE 15 (Saturday) Team 08
17-Jan-2009
![Page 2: Petals SAP Point Of Sale System Third Project Presentation M.Tech Team SE 15 (Saturday) Team 08 17-Jan-2009.](https://reader035.fdocuments.us/reader035/viewer/2022070400/56649f155503460f94c2ab46/html5/thumbnails/2.jpg)
Presentation Overview Project Background Requirement Overview Development Strategy Technical Challenges / Resolution Live Demo Project Progress – Plan Vs Actual Management Problem / Mitigation Strategy Acceptance Process Lesson Learnt Q & A
![Page 3: Petals SAP Point Of Sale System Third Project Presentation M.Tech Team SE 15 (Saturday) Team 08 17-Jan-2009.](https://reader035.fdocuments.us/reader035/viewer/2022070400/56649f155503460f94c2ab46/html5/thumbnails/3.jpg)
Presentation Overview Project Background Requirement Overview Development Strategy Technical Challenges / Resolution Live Demo Project Progress – Plan Vs Actual Management Problem / Mitigation Strategy Acceptance Process Lesson Learnt Q & A
![Page 4: Petals SAP Point Of Sale System Third Project Presentation M.Tech Team SE 15 (Saturday) Team 08 17-Jan-2009.](https://reader035.fdocuments.us/reader035/viewer/2022070400/56649f155503460f94c2ab46/html5/thumbnails/4.jpg)
Project Background The OBTECH Asia pacific Pte ltd, Singapore is an
accounting application solution provider and a SAP global partner.
Its clients use a POS system that’s provided by a 3rd party vendor and has many complaints, issues.
The vendor is not ready to accommodate change requests and also not ready to provide source code for doing enhancements.
As a result the company intends to develop a new POS system that shall have the basic POS system functionality and can accommodate future Singapore customer’s requirements.
The project objective is to “develop a client based sales system for retail sales that will integrate with the SAP business one accounting system.”
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Project Team
No Name Role
1 David Tan Project Owner
2 Rama Project Manager
3 Ajish QA Manager
4 Wu Xue Song System Architect
5 Zang Yan Technical Lead
6 Zhang Xi Programmer 1
7 Bensam Programmer 2
8 Zhao Zu Qiu Programmer 3
Project Manager(PM)
QA Manager(QM)
Technical Lead(TL)
Programmer 1/2/3(SE)
System Architect(SArch)
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Presentation Overview Project Background Requirement Overview Development Strategy Technical Challenges / Resolution Live Demo Project Progress – Plan Vs Actual Management Problem / Mitigation Strategy Acceptance Process Lesson Learnt Q & A
![Page 7: Petals SAP Point Of Sale System Third Project Presentation M.Tech Team SE 15 (Saturday) Team 08 17-Jan-2009.](https://reader035.fdocuments.us/reader035/viewer/2022070400/56649f155503460f94c2ab46/html5/thumbnails/7.jpg)
Requirement Overview
SAP B1 HQ
Customer Master Data Inventory Master Data Payment Methods Price List Special Prices Shipping Methods Currency Exchange Rate Tax
FTP
STORE MANAGER POS FRONT
Point of Sale Cash Register Payment Suspend / Recall Peripherals
Stock Reconciliation Item Requisition Day Start User Maintenance Generate Reports Item Exchange Sales Return Refund Cash Register Amend Transaction Maintain Store Data
MASTER DATA CREATION
OUTLET
Day End Transaction Posting
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Use Case Modeling : POS
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Use Case Modeling : SMS
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Presentation Overview Project Background Requirement Overview Development Strategy Technical Challenges / Resolution Live Demo Project Progress – Plan Vs Actual Management Problem / Mitigation Strategy Acceptance Process Lesson Learnt Q & A
![Page 11: Petals SAP Point Of Sale System Third Project Presentation M.Tech Team SE 15 (Saturday) Team 08 17-Jan-2009.](https://reader035.fdocuments.us/reader035/viewer/2022070400/56649f155503460f94c2ab46/html5/thumbnails/11.jpg)
Development Strategy
Rational Unified Process OO Language - .NET C# VS.NET 2008 SQL Server 2005 Google Code (svn)
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Technical Reports High Level Design
Deployment Diagram
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Technical ReportsHigh Level Design
Component Diagram – SPOS Subsystem
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Presentation Overview Project Background Requirement Overview Development Strategy Technical Challenges / Resolution Live Demo Project Progress – Plan Vs Actual Management Problem / Mitigation Strategy Acceptance Process Lesson Learnt Q & A
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Technical Challenges and Resolutions
Three layers architecture design - complicated than client/server - build on top of .NET framework
(WCF)
UI design with good usability - existing POS systems as reference
(ShengSiong supermarket) - build up UI prototype
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Technical Challenges and Resolutions
Development and debugging of client and server in parallel - Predefined WCF service contract and
DTOs. - use a test client program to unit test
server end methods.
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Presentation Overview Project Background Requirement Overview Development Strategy Technical Challenges / Resolution Live Demo Project Progress – Plan Vs Actual Management Problem / Mitigation Strategy Acceptance Process Lesson Learnt Q & A
![Page 18: Petals SAP Point Of Sale System Third Project Presentation M.Tech Team SE 15 (Saturday) Team 08 17-Jan-2009.](https://reader035.fdocuments.us/reader035/viewer/2022070400/56649f155503460f94c2ab46/html5/thumbnails/18.jpg)
Presentation Overview Project Background Requirement Overview Development Strategy Technical Challenges / Resolution Live Demo Project Progress – Plan Vs Actual Management Problem / Mitigation Strategy Acceptance Process Lesson Learnt Q & A
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Project Work Effort by Phase
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Project Work Effort by Resource
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Overall Project Progress
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Project Progress from Last Audit
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Presentation Overview Project Background Requirement Overview Development Strategy Technical Challenges / Resolution Live Demo Project Progress – Plan Vs Actual Management Problem / Mitigation Strategy Acceptance Process Lesson Learnt Q & A
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Management Problem& Mitigation Strategy
Team member’s tight schedule Team have to allocate time for exam,
assignment and daytime work. Short Weekly meetings Focused separate small-group discussions
when needed Offline Discussions conducted using yahoo
online chat, emails, telephone
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Management Problem& Mitigation Strategy
Aggressive Project Schedule Detail task breakdown at implementation
phase using Excel sheet Closely monitor schedule De-scope DTS server and DTS client
module Redistribution of work
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Presentation Overview Project Background Requirement Overview Development Strategy Technical Challenges / Resolution Live Demo Project Progress – Plan Vs Actual Management Problem / Mitigation Strategy Acceptance Process Lesson Learnt Q & A
![Page 27: Petals SAP Point Of Sale System Third Project Presentation M.Tech Team SE 15 (Saturday) Team 08 17-Jan-2009.](https://reader035.fdocuments.us/reader035/viewer/2022070400/56649f155503460f94c2ab46/html5/thumbnails/27.jpg)
Acceptance Process Project team did a POS client demo to
OBTech Project team delivered the source code and
documentation for ObTech developer for further work
OBTech will continue on the DTS-client and DTS-server module development
OBTech will perform UAT testing after DTS module integrated with POS client.
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Presentation Overview Project Background Requirement Overview Development Strategy Technical Challenges / Resolution Live Demo Project Progress – Plan Vs Actual Management Problem / Mitigation Strategy Acceptance Process Lesson Learnt Q & A
![Page 29: Petals SAP Point Of Sale System Third Project Presentation M.Tech Team SE 15 (Saturday) Team 08 17-Jan-2009.](https://reader035.fdocuments.us/reader035/viewer/2022070400/56649f155503460f94c2ab46/html5/thumbnails/29.jpg)
Lesson Learnt
Use google code as CMS -simple, efficient
o Hold yahoo online conference effective way to communicate among
team members
o Refine the process of reviewing document.
review – revise - verify
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Lesson Learnt
Should have used a CR tracing system.
efficient
o Make use of .NET WCFo a good framework that separates
the presentation layer and data access layer.
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Presentation Overview Project Background Requirement Overview Development Strategy Technical Challenges / Resolution Live Demo Project Progress – Plan Vs Actual Management Problem / Mitigation Strategy Lesson Learnt Q & A