Sustainable enterprise architecture

Enterprise architecture requires an understanding of all technologies, strategies, and data consumption throughout the enterprise. To this end, one must strive to always broaden knowledge of existing, as well as emerging trends and solutions. As a trade, this role demands an understanding beyond the specificities of technologies and vendor products. An enterprise architect must be versatile with the design and arrangement of elements in an extended network enterprise.

Intended for anyone charged with coordinating enterprise architectural design in a small, medium, or large organization, Sustainable Enterprise Architecture helps you explore the various elements of your own particular network environment to develop strategies for mid- to long-term management and sustainable growth. Organized much like a book on structural architecture, this one starts with a solid foundation of frameworks and general guidelines for enterprise governance and design.

The book covers common considerations for all enterprises, and then drills down to specific types of technology that may be found in your enterprise. It explores strategies for protecting enterprise resources and examines technologies and strategies that are only just beginning to take place in the modern enterprise network. Each chapter builds on the knowledge and understanding of topics presented earlier in the book to give you a thorough understanding of the challenges and opportunities in managing enterprise resources within a well-designed architectural strategy.

Emphasizing only those strategies that weather change, Sustainable Enterprise Architecture shows you how to evaluate your own unique environment and find alignment with the concepts of sustainability and architecture. It gives you the tools to build solutions and policies to protect your enterprise and allow it to provide the greatest organizational value into the future.

Author Notes

Kirk Hausman is employed as an Assistant Commandant at Texas A&M University and specializes in project management, enterprise architecture, IT governance, security and business continuity, information assurance, and regulatory compliance. He has a background that includes digital forensics, WMD/wide-area disaster response planning, pandemic response planning, and technology audit practices in higher education, corporate, and health care venues. His experience includes application design, data resource management, network architecture, server and storage virtualization, strategic technology modernization, network and backup centralization, research computing, and large-network business continuity/disaster recovery planning.

With a Master's degree in Information Technology, Mr. Hausman has served as a senior research scientist in the fields of cyber terrorism, cybercrime, and cyber security. Henbsp;lectures regularly on the uses of technology in education, solutions for persons with disabling conditions, and strategic architectural planning to improve enterprise efficiencies. Mr. Hausmannbsp;has served as a subject-matter expert before both Houses of the Texas State Legislature and has more than 20 books currently in print, together with numerous articles and white papers addressing enterprise architecture, cyber terrorism, and IT governance.nbsp;His professional certifications include the CISSP, CGEIT, CRISC, CISA, CISM, and CCP, together with a wide assortment of technology- and regulatory-specific designations.

Preface	p. xv
Acknowledgments	p. xix
About the Author	p. xxi
Chapter 1 The Impact of Enterprise Architecture	p. 1
In This Chapter	p. 1
Simple Choice, Complex Impact	p. 2
A Strong Hand	p. 2
Opportunity Costs	p. 3
Ripples in the Pond	p. 5
Where the Only Constant Is Change	p. 7
Lilliput and Blefuscu	p. 7
Open Source and Open Standards	p. 10
The Best Solution	p. 14
Chapter 2 Enterprise Planning	p. 15
In This Chapter	p. 15
Beyond Platform Selection	p. 16
Where Lies Success?	p. 21
The Architect	p. 25
The Chief Architect	p. 27
The Lead Architect	p. 29
The Business Architect	p. 30
The Technology Architect	p. 30
Outsourced Architecture	p. 30
Multiple Architects	p. 31
Creating a Symphony	p. 33
Governance	p. 33
Architectural Models	p. 36
Project and Program Management	p. 38
Beyond Basics	p. 40
Language Standard	p. 40
Operational Environment	p. 40
Virtualization	p. 41
Mobile Technologies	p. 41
Service-Oriented Architecture (SOA)	p. 41
Whatever's Next	p. 42
Summary	p. 42
Resources	p. 43
Chapter 3 Enterprise Architecture Challenges	p. 45
In This Chapter	p. 45
Complexity	p. 46
Sources of Complexity	p. 47
Opposition to Standardization	p. 47
Enterprise Information Management	p. 51
Sell the Value of Information	p. 51
Avoid Drawing Fire	p. 52
Look Beyond the Project	p. 60
Align Technology and Business	p. 61
Data Center Management	p. 65
Consolidation	p. 65
Automation	p. 72
Virtualization	p. 74
Plan for the Worst and Hope to Be Wrong	p. 76
Summary	p. 77
Chapter 4 Finding Value	p. 79
In This Chapter	p. 79
Impact and Return on Effort	p. 80
Applying the 80/20 Rule	p. 80
Expectations from Architectural Change	p. 81
An Objective View	p. 82
The Federated Enterprise	p. 83
Legal Mandates	p. 84
Alphabet Soup	p. 84
Discovery and Retention	p. 85
Extended Legal Involvement	p. 85
Managing Risk	p. 86
Beyond the End	p. 88
Planned Obsolescence	p. 88
Hidden Obsolescence	p. 89
Good Enough Architecture	p. 89
Summary	p. 89
Chapter 5 Managing Identity	p. 91
In This Chapter	p. 91
The Many-Walled Garden	p. 92
Identification	p. 93
What You Know	p. 94
What You Have	p. 96
What You Are	p. 97
Multifactor Identification	p. 101
Authentication	p. 102
The Authentication Directory	p. 102
External Authentication	p. 103
Authentication Standards	p. 103
Single Sign-On	p. 105
Authorization	p. 107
Access Controls	p. 107
Identity Management	p. 109
Regulatory Mandates	p. 109
Business Drivers	p. 110
Identity Management Elements	p. 110
Identity Management Providers	p. 112
Identity Management Strategies	p. 113
Implement Strong Identification	p. 113
Combine Authentication and Authorization	p. 113
Assign Rights to Groups	p. 114
Employ Identity Management Solutions	p. 114
Simplify the Garden	p. 115
Summary	p. 115
Chapter 6 Sharing Information	p. 117
In This Chapter	p. 117
The Value of Communication	p. 118
Communication Systems	p. 118
Network of Trust	p. 120
Collective Intelligence	p. 120
Communication Technologies	p. 121
Asynchronous Communications	p. 124
Synchronous Communications	p. 138
Telepresence	p. 142
Combined Collaboration	p. 145
Groupware	p. 145
Portals	p. 146
Beyond the Boundary	p. 150
Summary	p. 150
Chapter 7 toring Information	p. 151
In This Chapter	p. 151
Everything in Its Place	p. 152
File Storage	p. 153
Logging	p. 153
E-mail	p. 154
Repositories	p. 154
Virtual Computers	p. 155
Storage Policies	p. 155
Scouting the Land	p. 156
Areas of Interest	p. 156
Data Protection	p. 166
Backups	p. 166
Media Retirement	p. 167
Summary	p. 168
Chapter 8 Making Connections	p. 171
In This Chapter	p. 171
What Came Before	p. 172
The World Wide Web	p. 175
Web 1.0	p. 175
Web 2.0	p. 176
Web 3.0	p. 177
Culture	p. 179
The Needle in the Haystack	p. 182
Ranking	p. 182
Caching	p. 183
Bogus Information	p. 183
Name Squatting	p. 184
Typos and One-Offs	p. 185
Name Service Poisoning	p. 186
Inter, Intra, and Extra	p. 187
Internet	p. 188
Intranet	p. 189
Extranet	p. 189
Summary	p. 189
Chapter 9 Anytime/Anywhere Computing	p. 191
In This Chapter	p. 191
Mobile Technologies	p. 192
New Technologies	p. 192
Network Connectivity	p. 194
Extending the Enterprise	p. 195
Accessibility	p. 195
Mobile and Remote Access	p. 195
Mobile Limitations	p. 197
Remote Desktops	p. 198
Transport Security	p. 198
Kill Pills	p. 199
Device Interaction	p. 199
Signal Boosters	p. 200
Policy Requirements	p. 201
Summary	p. 201
Chapter 10 Virtualization	p. 203
In This Chapter	p. 203
Virtualized Services	p. 204
Virtualized Applications	p. 204
Virtualized Desktops	p. 205
Remote Desktop Clients	p. 205
Virtual Appliances	p. 206
Virtualized Servers	p. 207
Virtualized Networks	p. 208
Cloud Computing	p. 209
Comparing Cloud and Traditional Application Life Cycles	p. 209
Types of Clouds	p. 210
Cloud Flexibility	p. 212
Best Practices	p. 212
Summary	p. 216
Chapter 11 Enterprise Sustenance	p. 217
In This Chapter	p. 217
Project Management	p. 218
Hardware	p. 219
Firmware	p. 220
Drivers	p. 221
Components	p. 222
Tech Refresh	p. 222
Software	p. 226
Testing	p. 227
Deployment	p. 227
Update	p. 229
Directory Entries	p. 233
Passwords	p. 233
Summary	p. 234
Chapter 12 Enterprise Security	p. 235
In This Chapter	p. 235
The Process of Security	p. 236
Security Is like an Onion	p. 236
Program Rather than Project	p. 236
Explain Why	p. 237
Standardize and Simplify	p. 238
Common Enterprise Threats	p. 238
Load Only in the Nursery	p. 238
Secure the Network	p. 239
Secure the Data	p. 239
Secure the Applications	p. 240
Defend the Enterprise	p. 241
Malware Defense	p. 243
Network Protection	p. 243
Defense Against the Unexpected	p. 243
Emergency Response Planning	p. 245
Don't Forget the Little Things	p. 245
Summary	p. 245
Chapter 13 Recovering from Disaster	p. 247
In This Chapter	p. 247
Continuity of Operations Versus Disaster Recovery	p. 248
Continuity of Operations (COO)	p. 248
Disaster Recovery (DR)	p. 249
Planning for Recovery	p. 249
Business Impact Analysis (BIA)	p. 250
Risk Assessment (RA)	p. 251
Construct a Plan	p. 251
Technology in Recovery Planning	p. 252
Alternate Data Center	p. 252
Alternate Equipment	p. 253
Alternate Communications	p. 253
Summary	p. 255
Chapter 14 Future Computing	p. 257
In This Chapter	p. 257
Bigger Is Better	p. 258
Supercomputing	p. 260
Distributed Computing	p. 261
Grid and Cluster Computing	p. 261
Volunteer Computing	p. 262
Grid Computing	p. 262
Cluster Computing	p. 263
Distributed Computing and the Cloud	p. 264
The Sustainable Enterprise	p. 264
Equipment Replacement and Disposal	p. 264
Energy Options	p. 265
Reducing Consumption	p. 265
The Right Location	p. 266
Summary	p. 266
Index	p. 267

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