Enterprise Architecture & IT Infrastructure: An Evolving Art

Enterprise Architecture & IT Infrastructure: An Evolving Art

Enterprise Architecture & IT Infrastructure: An Evolving Art and Science to Bridge Business and IT Vision and Reality Minder Chen, Ph.D. CSU Channel Islands Martin V. Smith School of Business and Economics [email protected] Big Picture Need: Resilience, Flexibility, Opportunism Context

Business Strategy Focus: Processized Analysis Vocabulary Metrics Business Processes Drivers: People, Process, Information, Relationships IT

Strategy Focus: Governance Portfolio Architecture Sourcing Approach: Business Capabilities Minder Chen, 1995-2011 IT Solutions

Cost/Value Analysis EA and IT Infrastructure - 2 BSP: Business Systems Planning Resource Lifecycle Requirements Acquisition Stewardship Disposition Planning Minder Chen, 1995-2011 Control EA and IT Infrastructure - 3 Resource Life Cycle

Summary Data Planning Acquisition Planning data Minder Chen, 1995-2011 Stewardship (Control, Usage)

Transaction data Disposal Transaction data EA and IT Infrastructure - 4 Four-Stage Life Cycle of Functions to Support Products and Services of an Organization 4-Stage LC Planning AcquisitionStewardship Disposal Data generated

Planning data (Create) Transaction data (Create) Transaction data (R, U) Transaction data (Delete) Material Material req. planning

Procurement Warehousing & inventory control Selling Education Curriculum planning Course sched. & enroll.

Performance & grad. checking Student graduation People Human res. planning Recruiting Training Promotion Eval.

Retirement Termination Equipment Capacity planning Equipment purchase Maintenance and repair Equipment disposal

Minder Chen, 1995-2011 EA and IT Infrastructure - 5 Zackman Framework Minder Chen, 1995-2011 Source: http://www.zifa.com/framework.pdf EA and IT Infrastructure - 6 Methodology Lifecycle Via Heap Map

Source: IBM Component Business Model Minder Chen, 1995-2011 EA and IT Infrastructure - 7 Component Business Model Dynamic capability is defined as the firms ability to integrate, build, and reconfigure internal and external competences to address rapidly changing environments. The basic assumption of the dynamic capabilities framework is that todays fast changing markets force firms to respond quickly and to be innovative. Agile, sense and respond, reconfiguration, modularization Minder Chen, 1995-2011 EA and IT Infrastructure - 8

The 5 Dimensions of a Business Component IBM Component Business Model Resource-Based View Daft (1983) says: "...firm resources include all assets, capabilities, organizational processes, firm attributes, information, knowledge, etc; controlled by a firm that enable the firm to conceive of and implement strategies that improve its efficiency and effectiveness. Minder Chen, 1995-2011 EA and IT Infrastructure - 9 Heat Map Minder Chen, 1995-2011

EA and IT Infrastructure - 10 IT Infrastructure The hardware, software, and telecommunication/ networking systems or equipment together provide the underlying foundation to support the organizations goals. Minder Chen, 1995-2011 EA and IT Infrastructure - 11 IT Infrastructure Cost allocation Source: CISR Working Paper #329

Minder Chen, 1995-2011 EA and IT Infrastructure - 12 Minder Chen, 1995-2011 EA and IT Infrastructure - 13 Stages in IT Infrastructure Evolution Mainframe/Mini Computers 60~70s Personal Computer 80s

Client/Sever Computing 90s Internet computing/ Web-based enterprise applications Late 90s~ Cloud Computing / Mobile computing Mid 2000s~ Minder Chen, 1995-2011 EA and IT Infrastructure - 14

Web-based IT Infrastructure WWW HTTP TCP/IP Internet User Interface App. Process Data Software Applications

Browsers DBMS Run dynamic business logic components Minder Chen, 1995-2011 EA and IT Infrastructure - 15 Mobile Device Minder Chen, 1995-2011

EA and IT Infrastructure - 16 Mobile Computing Source: 2011/9/28 Minder Chen, 1995-2011 EA and IT Infrastructure - 17 Technology drivers of infrastructure evolution Moores law and micro-processing power Computing power doubles every 18 months/2 years Nanotechnology: May shrink size of transistors to width of several atoms Contrary factors: Heat dissipation needs, power

consumption concerns Law of Mass Digital Storage The amount of data being stored each year doubles Metcalfes Law and network economics Value or power of a network grows exponentially as a function of the number of network members As network members increase, more people want to use it (demand for network access increases) http://www.emc.com/collateral/demos/microsites/idc-digital-universe/iview.htm Minder Chen, 1995-2011 EA and IT Infrastructure - 18 Advancing Rates of Technology (Silicon, Storage, Telecom)

Smaller & faster & cheaper Minder Chen, 1995-2011 EA and IT Infrastructure - 19 Data Volume 210 =1028 Minder Chen, 1995-2011 EA and IT Infrastructure - 20 Minder Chen, 1995-2011

EA and IT Infrastructure - 21 Things rnet of The Int e Minder Chen, 1995-2011 EA and IT Infrastructure - 22 Minder Chen, 1995-2011 EA and IT Infrastructure - 23 http://en.wikipedia.org/wiki/Cost_per_impression

CPM: cost per thousand page impressions. Minder Chen, 1995-2011 EA and IT Infrastructure - 24 Platform Continuum On-Premises Servers Bring your own machines, connectivity, software, etc. Complete control Complete responsibility

Static capabilities Upfront capital costs for the infrastructure Minder Chen, 1995-2011 Hoste d Server s Renting machines, connectivity, software Less control

Fewer responsibilities Lower capital costs More flexible Pay for fixed Cloud Platform Shared, multi-tenant infrastructure Virtualized & dynamic Scalable & available Abstracted from the infrastructure Higher-level services Pay as you go

EA and IT Infrastructure - 25 Software as a service (SaaS) http://www.salesforce.com/ PaaS Google AppEngine http://aws.amazon.com/ Minder Chen, 1995-2011 Amazon's EC2 (Elastic Compute Cloud) EA and IT Infrastructure - 26

Definition of Cloud Computing The NIST definition of cloud computing: Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. The ability for end users to utilize parts of bulk resources and that these resources. Minder Chen, 1995-2011

EA and IT Infrastructure - 27 Characteristics of Cloud Services NIST identifies several characteristics for a service to be considered Cloud: On-demand self-service: The ability for an end user to sign up and receive services without the long delays that have characterized traditional IT. Broad network access: Ability to access the service via standard platforms (desktop, laptop, mobile etc). Resource pooling: Resources are pooled across multiple customers. Rapid elasticity: Capability can scale to cope with demand peaks. Measured Service: Billing is metered and delivered as a utility service can be acquired quickly and easily.

http://resources.idgenterprise.com/original/AST-0032300_Understanding_the_Cloud_Computing_Stack.pdf Minder Chen, 1995-2011 EA and IT Infrastructure - 28 Minder Chen, 1995-2011 EA and IT Infrastructure - 29 Characteristics of Architecture Stages Minder Chen, 1995-2011 EA and IT Infrastructure - 30

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