Volker Gruhn: A Software Development Process for an Electronic - - PDF document

Volker Gruhn: A Software Development Process for an Electronic Commerce Portal December 11, 2001 Asia-Pacific Conference on Quality Software 2001 1

Second Asia-Pacific Conference on Quality Software (APAQS 2001), December 11, 2001 1/23

A Software Development Process A Software Development Process for an Electronic Commerce Portal for an Electronic Commerce Portal

Volker Gruhn, Lothar Schöpe, Matthias Book

Department of Computer Science University of Dortmund, Germany

Volker Gruhn: A Software Development Process for an Electronic Commerce Portal 2/23

Conventional vs. EC Systems Conventional vs. EC Systems

• Development conditions of EC systems:
• higher degree of interaction
• higher degree of integration
• more content in addition to functionality
• shorter time-to-market
• but same level of quality

Adapted software development process for EC systems required

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A Portal A Portal for Insurance for Insurance Agents Agents

• combines and integrates
• content and applications

to support the agents' work

• to increase
• productivity, company loyalty
• built using an adapted

software development process

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Software Software Process Process Model Model

Subprocess Model Deliverable Volker Gruhn: A Software Development Process for an Electronic Commerce Portal 5/23

Software Process Model Software Process Model

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Requirements Requirements Specification Specification

Req ID Requirement Priority Type Rationale EP-F/1.2.3 All shop items must be accessible via a product hierarchy. 1 MUST Users are familiar with the concept of a hierarchy and can find items there easily. EP-F/1.2.4 A full text search may be provided to find products. 3 MAY The search facility serves as a backup in case the user can't find an item in the hierachy.

• cooperation with insurance companies
• comprehensive tasks singular actions
• prioritized and documented:

Volker Gr uhn: A Sof t w ar e Developm ent Pr ocess f or an Elect r onic Com m er ce Por t al Decem ber 11, 2001 Asia- Pacif ic Conf er ence on Qualit y Sof t w ar e 2001 2

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Software Process Model Software Process Model

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M a k e o r B u y ?

Subsystem Subsystem Identification Identification

Office Content Management Electronic Procurement Comm Admin Legacy Applications SmartStore Partner DB Outlook pirobase sendfax, yaps, JavaMail Search e-Mail Folders Address Book Calendar To-Do List Product Portfolio Company Handbook Marketing Information Law Documents Office Material (Toner, ...) Promotional Material (Flyers, ...) Company Services (Courses, ...) Sending Reminders, Messages, etc. by Fax SMS e-Mail User Management Monitoring Partner Database Contracts Database Tariff Computer Portal-wide Full Text Searches Volker Gruhn: A Software Development Process for an Electronic Commerce Portal 9/23

Cut Cut-

• Through Prototypes

Through Prototypes

Office Content Management Electronic Procurement Comm Legacy Applications External Subsystems Internet Portal System for Insurances (IPSI) Core System

? ? ? ? ?

• Q: Subsystem integration feasible?
• Q: Subsystem integration feasible?
• A: Adaptor prototypes implementing key features

Adaptors Volker Gruhn: A Software Development Process for an Electronic Commerce Portal 10/23

Software Process Model Software Process Model

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Prototype Development Prototype Development

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Software Process Model Software Process Model

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GUI Development GUI Development

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Software Process Model Software Process Model

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System System Architecture Architecture

Office Content Management Electronic Procurement Legacy Application Comm Workflow Search Admin Controllers

HTML Page/ WML Deck

Dispatcher GUI Formatter Volker Gruhn: A Software Development Process for an Electronic Commerce Portal 16/23

Software Process Model Software Process Model

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Integration and System Test Integration and System Test

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Example: Legacy Example: Legacy Integration Integration

DBMS Search Controller Partner DB XML Stream XML Stream Query Encoder Result Decoder Legacy Boundary Query Decoder Result Encoder

Volker Gr uhn: A Sof t w ar e Developm ent Pr ocess f or an Elect r onic Com m er ce Por t al Decem ber 11, 2001 Asia- Pacif ic Conf er ence on Qualit y Sof t w ar e 2001 4

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Testing Testing

• Class Test
• Class functionality ok?
• Subsystem Test
• Code review; subsystem boundary ok?
• Integration Test
• Subsystems' interfaces ok?
• System Test
• Workflow and GUI ok?

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Conclusion: Experiences Conclusion: Experiences

• EC software development process can

differ from conventional process in:

• types of tasks
• order in which tasks are performed
• roles that perform tasks
• software tools used
• especially notable:
• high effort for subsystem integration

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Conclusion: Software Quality Conclusion: Software Quality

• Problem:
• quality-assuring methods can fall prey to

time-to-market philosophy

• Partial solution:
• incremental, iterative prototyping to

estimate feasibility, effort and dev. time

Goal: Model software development process ensuring consistent high quality despite more challenging conditions

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Thank you Thank you! ! Any questions Any questions? ?