McGraw-Hill/Irwin Copyright © 2013 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 7 Infrastructure, Cloud Computing, Metrics, and Business Continuity Planning: Building and Sustaining the Dynamic Enterprise

7-2 HARDWARE AND SOFTWARE INFRASTRUCTURE  Infrastructure – the structure beneath a structure  IT infrastructure is the implementation of your organization’s architecture

7-3 Client/Server Infrastructure

7-4 Tiered Infrastructure

7-5 CLOUD COMPUTING  Hottest term in technology today  Cloud computing – model in which any and all IT resources are delivered as a set of services via the Internet  Application software  Processing power  Data storage  Backup facilities  Development tools  Literally everything

7-6 SaaS and Multi-Tenancy

7-7 Platform-As-A-Service The ability to change the way the software works

7-8 Public and Private Clouds  Public cloud – comprises cloud services that exist on the Internet offered to anyone and any business.  Private cloud – cloud computing services established and hosted by an organization on its internal network and available only to employees and departments within that organization.

7-9 IT SUCCESS METRICS  To justify costs of technology, you need to measure its success  Metrics are also called benchmarks, baseline values a system seeks to attain.  Benchmarking – process of continuously measuring system results and comparing them to benchmarks

7-10 Efficiency & Effectiveness Metrics Bottom-line initiatives typically focus on efficiency, while top-line initiatives tend to focus on effectiveness.

7-11 Types of IT Success Metrics  Infrastructure-centric metrics  Web-centric metrics  Call center metrics

7-12 BUSINESS CONTINUITY PLANNING  Business continuity planning (BCP) – rigorous and well-informed organizational methodology for developing a business continuity plan, a step-by-step guideline defining how the organization will recover from a disaster or extended disruption  BCP is very necessary today given terror threats, increased climate volatility, etc

7-13 BUSINESS CONTINUITY PLANNING METHODOLOGY

7-14 Organizational Strategic Plan  It all starts here  The strategic plan defines what is and what is not important  You must have a business continuity plan for what is important

7-15 How Soon Should You Recover? Disaster recovery plan should include a disaster recovery cost curve, which charts the cost of unavailable information/technology compared to the cost to recover from a disaster over time.