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

No Name Role

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

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

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

Task Description RM

(PM) ZY

(TL) AJ

(QM) XS (SA)

ZX (PR1)

ZQ (PR2)

BS (PR3)

Activity 1 Initial Planning

Sub-total: 8 3 8 4 1 1 1

Activity 2 Requirements Identification

Sub-total: 18 10 11 13 9 9 9

Activity 3 Requirements Modeling

Sub-total: 8 11 5 12 9 9 9

Activity 4 Analysis Modeling

Sub-total: 1 6 1 6 5 5 5

Effort Estimation

Task Description RM

(PM) ZY

(TL) AJ

(QM) XS (SA)

ZX (PR1)

ZQ (PR2)

BS (PR3)

Activity 5 Prototyping

Sub-total: 6 7 2 6 6 6 6

Activity 6 Design Modeling

Sub-total: 2 12 2 13 14 14 14

Activity 7 Programming

Sub-total: 11 10 22 22 22

Activity 8 Integration

Sub-total: 4 4 4 4 3 3 3

Activity 9 Testing

Sub-total: 4 6 20 6 3 3 3

Activity 10 Acceptance Testing

Sub-total: 3 2 3 2.5 2 2 2

Effort Estimation

Task Description RM

(PM) ZY

(TL) AJ

(QM) XS (SA)

ZX (PR1)

ZQ (PR2)

BS (PR3)

Activity 11 Documentation

Estimated Total

Man-days: 59 75 59 69.5 73.5 73.5 73.5

RM = Rama (PM)

ZY = Zang Yan (TL)

AJ = Ahish (QM)

ZX = Zhang Xi (PR1)

XS = Wu Xue Song (SA)

BS = Bensam(PR3)

ZQ = Zhao Zhu Qiu (PR2)

PM = Project Manager

TL = Technical Lead

SA = Software Architect

QM = Quality Manager

PR1 = Programmer 1

PR2 = Programmer 2

PR3 = Programmer 3

Function Point CountITEM LOW AVERAGE HIGH TOTAL

External Input 2x3 =6 1x4 =4 1x6 =6 16

External Output 11x4 =44 9x5 =45 7x7 =49 138

Internal File 18x7 =126 0x10 = 0 0x15 = 0 126

Interface file 8x5 =40 0x7 = 0 0x10 = 0 40

External Inquiry 2x3 =6 0x4 = 0 0x6 = 0 6

    Unadjusted Function Points = 326

Value Adjustment Factor

Total Degree of Influence 54

Adjustment Factor = 0.65 + (0.01 x 54) 1.19

Adjusted Function Point Count SummaryAdjusted FPC = 326* 1.19 = 388

COSTAR Estimation

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