Petals SAP Point of Sale System M.Tech. Team SE 15 (Saturday) Team 08 5-Apr-2008

Presentation Overview  Project Team  Project Introduction  Functional Requirements  Global Use Cases  Efforts Estimation  Schedule & Milestones  Technical Strategy  Risk Analysis & Mitigation Plan  Progress Report

Project Team NoNameRole

Presentation Overview  Project Team  Project Introduction  Functional Requirements  Global Use Cases  Efforts Estimation  Schedule & Milestones  Technical Strategy  Risk Analysis & Mitigation Plan  Progress Report

Project Introduction

Presentation Overview  Project Team  Project Introduction  Functional Requirements  Global Use Cases  Efforts Estimation  Schedule & Milestones  Technical Strategy  Risk Analysis & Mitigation Plan  Progress Report

Functional Requirements

 Point of Sale Search item Search customer Scan item Make payment Suspend/resume transaction

Functional Requirements  Store management View transaction Amend transaction Void entire transaction Make item requisition Generate reports Generate alert Create users

Functional Requirements  Data transfer services Upload transaction data  Invoice,  Payments,  Credit memos Download master data  Price list  Customer  Inventory

Non-Functional Requirements  Performance  Reliability 100%  Data integrity 100%

Non-Functional Requirements  Availability No downtime between 9:00am-9:30pm  Security  Extensibility Cater for business logic change

Presentation Overview  Project Team  Project Introduction  Functional Requirements  Global Use Cases  Efforts Estimation  Schedule & Milestones  Technical Strategy  Risk Analysis & Mitigation Plan  Progress Report

Presentation Overview  Project Team  Project Introduction  Functional Requirements  Global Use Cases  Efforts Estimation  Schedule & Milestones  Technical Strategy  Risk Analysis & Mitigation Plan  Progress Report

Effort Estimation

Function Point Count ITEMLOWAVERAGEHIGHTOTAL External Input2x3 =61x4 =41x6 =616 External Output11x4 =449x5 =457x7 =49138 Internal File18x7 =1260x10 = 00x15 = 0126 Interface file8x5 =400x7 = 00x10 = 040 External Inquiry2x3 =60x4 = 00x6 = 06 UnadjustedFunction Points= 326 Value Adjustment Factor Total Degree of Influence54 Adjustment Factor = (0.01 x 54) 1.19 Adjusted Function Point Count Summary Adjusted FPC = 326* 1.19 = 388

COSTAR Estimation

Presentation Overview  Project Team  Project Introduction  Functional Requirements  Global Use Cases  Efforts Estimation  Schedule & Milestones  Technical Strategy  Risk Analysis & Mitigation Plan  Progress Report

High Level Schedule  Requirement gathering  Requirement analysis  Prototyping  System design Database Software  Implementation  Testing

Key Milestones -- Prototype  User interface  Downloading master data

Key Milestones – Beta 1  Point of sale Create a transaction Scan item Make payment  Store manager Create user View transactions  Data transfer services Download master data

Key Milestones – Beta 2  Point of sale Search item Search customer  Store manager Amend transactions Avoid transaction  Data transfer services Download master data

Key Milestones – Beta 3  Point of sale Suspend/resume transaction  Store manager Generate reports Generate alert  Data transfer services Upload transaction data

Key Milestones – Release

Presentation Overview  Project Team  Project Introduction  Functional Requirements  Global Use Cases  Efforts Estimation  Schedule & Milestones  Technical Strategy  Risk Analysis & Mitigation Plan  Progress Report

Technical Details .NET Windows Forms  Client/Server applications  4 executables Point of sale (Windows Forms) Store manager (Windows Forms) Data transfer client (Console) Data transfer server (Console)

Technical Details Basic Architecture for all Executables

Presentation Overview  Project Team  Project Introduction  Functional Requirements  Global Use Cases  Efforts Estimation  Schedule & Milestones  Technical Strategy  Risk Analysis & Mitigation Plan  Progress Report

Risk Analysis & Mitigation Plans  Scope too large Make functionality of phase 1 sufficient to use and realistic to implement. Have a working system as early as possible  Domain knowledge Most team members don’t have domain knowledge of POS system.  Multi-tier application Databases in 2 tiers Data synchronization Data integrity

Risk Analysis & Mitigation Plans  Resource non-availability Business trip

Presentation Overview  Project Team  Project Introduction  Functional Requirements  Global Use Cases  Efforts Estimation  Schedule & Milestones  Technical Strategy  Risk Analysis & Mitigation Plan  Progress Report

Progress Report - Apr 06  Planning Phase Completed User Requirement Specification Sign-off Project Plan Quality Plan Project Filing Procedure  First Quality Audit Completed on 31-MAR-06 Overall satisfactory Suggestions/Feedbacks implemented  Effort Total Planned 474 Man Days Total Effort-Spent 62 Man Days

Q & A