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Web Based ERP Application : EITLERP

EITLERP a web based software application focused for Small and Medium Enterprises (SME). It has tightly integrated modules covering business functions Sales, Inventory, Purchase, Planning, Production, Finance, Quality, Maintenance. Selective modules of ERP can also be implemented. EITL has evolved a watertight implementation method to deliver the desired results for its customers. EITL provides constant updates for Technical, Functional and Statutory enhancements from time to time.

Language : Java V. 1.5.4
Platform : Java
DBMS : Oracle 9i
Tools : NetBeans, TOAD, APACHE Web server, JBoss Application Server, Jakarta-Tomcat Server, JasperReports, iReport Designer
OS : Linux for Database and Application Server


EITLERP is Integrated ERP for Manufacturing Company covering all the aspects of Inventory, Purchase, Sales, Production, Planning, Accounting, Finance and Import/ Export/ Excise/ Service/ Income Tax related transaction.
• Developed using all open source yet powerful software tools including JasperReports and Java.
• Form based SDI application environment providing rich and user friendly interface.
• Can be deployed to any Java enabled web server including Tomcat and JBoss.
• Three tier architecture - supports easy integration and maintenance of the software system.5 Level access permission with integrated workflow.
• Manageable Workflow for individual document approval.
• Written in Java, the system can be run in any environment.
• 4 Level Security - 1. User Password 2. Menu Level Restrictions 3. Menu Operation Level Restrictions 4. Field Level Restrictions.
• Customizable interfaces. Provides customization of certain documents without re-compiling the program
• Tax Editor, providing ability to add columns and change calculation formulae for tax columns like Sales Tax., Excise, Import, Export duties etc. at runtime without changing the program.
• Built in email client, provides functionality to email the document directly. Also adds address book.
• Barcode reading and printing support.
• Centralized report processing. Reports are generated in pdf format.
• Two-way data replication module which can automatically replicates data among different locations.
• Full on screen audit trail of each transaction document.
• On screen full Back and forward tracing of documents.
• Automated system alerts by email.

• Clients:
Ringspann Elecon (I) Ltd., V.V.Nagar.
Shri Dinesh Mills Ltd., Vadodara

Software Engineering Methodologies:
Object Oriented Analysis and Development methodology.

• Analysis

- Regular meetings with client personnel and gathering of their requirement.
- Understanding their problem with current system.
- Identify need for making ERP System
- Thoroughly analysis of daily activities performed by each individual at the client organization who is concerned with software system to be developed.
- Preparation of Systems Requirement Specification which describes the requirements in detail and in pre-defined format.
- Preparation of feasibility study report which describes the feasibility of the proposed system.

• Design

- Preparation of Use case diagram: This document describes each and every function performed in the system in pictorial format. User case diagram is prepared for Legacy system and proposed system.
- Preparation of Activity diagram: This document is prepared from use case diagram by picking each use-case and describing each function and its activity flow in pictorial format.
- Preparation of data dictionary: This document describes each data element used in the system along with detailed information of data element, purpose, importance, security, approval workflow and relation with other data elements.
- Preparation of table structures: Data elements are grouped into data tables and relationship between tables are defined.
- Preparation of Entity Relationship Diagram: This document describes relationship between data tables e.g. one to one, one to many and many to one etc.
- Designing of system modules.
- Designing of middle tier business objects like Classes, Triggers, and Procedures.
- Preparation of class diagram which describes classes and its structures (attributes and methods). It also depicts relationship between classes.
- Designing user interfaces. User interfaces include entry forms, web pages, system menu etc.
- Preparation of CRC (Class Responsibilities Collaboration) documents.

• Project Planning

- Preparation of development schedule (date wise).
- Preparation of GANNT charts to describe the milestones and deadlines for each phase of project.
- Resource Allocation Document: This document describes allotment of work (program modules) to individual along with deadlines and necessary information for the development of module.
- Risk Analysis: this includes calculating manpower required for the execution and by considering risk factors, if necessary raise requirements for additional manpower and resources.
Design paradigms:
- Top down functional decomposition of modules using object oriented design.
- 3 tier application architecture.
- Implementation of Model-View-Controller architecture in user interface designs.
- Implementation of application framework (developed by us) which reduces the coding and increases the quality and reliability of code.

Implementation procedures:
- Meetings with client personnel and deciding the action plan for implementation.
- Training users with new system by planning in house training classes.
- Phase wise implementation of the system. Phases includes implementation of major modules like Material Management, Shop floor control etc.
- Migration of data from legacy system to new system.
- Parallel run of the system for pre-determined time.
- Monitoring of system performance and compliance with client requirements.
- Arriving at changes required and passing on to development team.
- Patch management during parallel run phase.
- Establishing support team at client site for limited time.
- Conducting review meetings with functional heads and users for feedback of new system.

Database design and management techniques employed:
- Data dictionary
- Database structures
- Normalization
- Database relationship
- Entity relationship diagram

- Database security by using
- User, role and Workflow based permission
- System connects to the database using user created specifically for the system.
- System Security at four levels
1. User id and password
2. Module Access Permissions
3. Module Function access permission
4. Field updation permission
- System also implements password expiry policy by which user must have to change password after certain time.

Quality Assurance:
- Component integration testing: To exposes defects in the interfaces and interaction between integrated components.
- System testing: Testing an integrated system to verify that it meets its requirements.
- White Box Testing: Structural testing for analysis of internal workings and structure of a piece of software. Including various techniques such as Branch Testing and Path Testing.
- Functional Testing: Test the features and operational behavior of a product to ensure they correspond to its specifications.