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Guide to Software Development Designing and Managing the Life Cycle

:	Arthur M. Langer
:	Guide to Software Development Designing and Managing the Life Cycle
:	Springer-Verlag
:	9781447167990
:	2
:	CHF 63.00
:

:	Informatik
:	English

:	404
:	Wasserzeichen/DRM
:	PC/MAC/eReader/Tablet
:	PDF

This book presents a guide to navigating the complicated issues of quality and process improvement in enterprise software implementation, and the effect these have on the software development life cycle (SDLC). Offering an integrated approach that includes important management and decision practices, the text explains how to create successful automated solutions that fit user and customer needs, by mixing different SDLC methodologies. With an emphasis on the realities of practice, the book offers essential advice on defining business requirements, and managing change. This revised and expanded second edition includes new content on such areas as cybersecurity, big data, and digital transformation. Features: presents examples, case studies, and chapter-ending problems and exercises; concentrates on the skills needed to distinguish successful software implementations; considers the political and cultural realities in organizations; suggests many alternatives for how to manage and model a system.

Dr. Arthur M. Langer is the Director of the Center for Technology Management at Columbia University, New York, NY, USA. Dr. Langer is also the Vice Chair of Faculty and the Executive Director of the Division of Innovation and Design at the School of Professional Studies. He serves on the faculty of the Graduate School of Education in the Department of Organizational Leadership. Dr. Langer is also Chairman and Founder of Workforce Opportunity Services (WOS), a non-profit NGO dedicated to assisting socially excluded youth and veterans in education and professional careers. His other publications include the Springer title Analysis and Design of Information Systems.

	Preface	5
	The Aim of This Book	6
	The Intended Audience for This Book	7
	Acknowledgments	8
	Contents	9
	1: Introduction	16
	What Is, Is	17
	Just What Is a Complex Project?	19
	Development	22
	Testing	24
	Production	24
	Backup, Recovery, and Archiving	25
	Reference	33
	Part I: Determining Needs	34
	2: Assessing Business Requirements	35
	The Tiers of Software Development	35
	User Interface	35
	Tools	36
	Productivity Through Automation	36
	Object Orientation	36
	Client/Server	37
	Internet/Intranet	37
	Establishing User Interfaces	38
	Forming an Interview Approach	39
	Dealing with Political Factions	41
	Categories and Levels of Users	42
	Joint Application Development (JAD)	45
	Problems and Exercises	50
	3: Build Versus Buy	51
	Drivers and Supporters	56
	The Supporter Side of Buying	57
	Open-Source Paradigm	58
	Cloud Computing Options	59
	Deployment Models	60
	Summary	61
	Problems and Exercises	61
	References	62
	4: Establishing Requirements Using a Request for Proposal (RFP) and a Request for Information (RFI)	63
	RFI	63
	RFP	68
	Requirements Document	68
	Problems and Exercises	83
	5: Searching for Solutions	85
	Selecting the Management Team	85
	The Process of Due Diligence	86
	Performing Reference Checks	87
	Reviewing Financial Statements	87
	Doing Bank References	88
	Scheduling On-Site Demonstrations	88
	Scheduling On-Site Review at Vendor Site(s)	89
	Reviewing Vendor Training Capabilities	89
	Understanding the Product Upgrade Process	89
	General Questions to Ask	90
	Understanding the Vendor Ownership	90
	Reviewing the Product’s Architecture and Design	90
	Finding Vendors	91
	Paying for a Plan	92
	Summary	93
	Problems and Exercises	93
	Reference	93
	6: Controlling Costs and Realistic Budgeting	94
	Controlling Costs	102
	Hardware and Infrastructure	102
	Software	103
	Consulting Fees	104
	Customization Costs	104
	The Balanced Scorecard as a Budget Tool	105
	Problems and Exercises	110
	References	110
	7: Analysis Methods and Tools	111
	The Concept of the Logical Equivalent	111
	Tools of Structured Analysis	115
	Making Changes and Modifications	116
	Pre-Modeled	116
	Being Consistent	117
	Version Control	118
	Legacy Systems	118
	The Data Approach	118
	The Process Approach	120
	Specification Formats	122
	Problems and Exercises	124
	Part II: Development Architecture	126
	8: Creating Requirements Documents Using Analysis Tools	127
	Purpose	127
	Advantages of the DFD	132
	Disadvantages of the DFD	132
	Process Flow Diagrams	133
	Components of a PFD	133
	DFD-PFD Compared	134
	Sequence of Implementation	136
	Data Dictionary	137
	Equivalence (=)	137
	Concatenation (+)	137
	Either/Or with Option Separator ([/])	137
	Optional ()	138
	Iterations of { }	138
	Comments (**)	138
	Process Specifications	141
	Pseudocode	141
	The Good	143
	The Bad	143
	The Ugly	143
	Case	143
	The Good	144
	The Bad	144
	The Ugly	144
	Pre-post Conditions	144
	The Good	145
	The Bad	145
	The Ugly	145
	Matrix	145
	The Good	146
	The Bad	146
	The Ugly	146
	Conclusion	146
	State Transition Diagrams	147
	Entity Relationship Diagrams	151
	Problems and Exercises	152
	Mini-Project	153
	References	154
	9: The Data	155