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Emerging Types of Enterprise Computing. Technology Guide 3. IT Infrastructure. IT components Hardware Software Networks Databases IT services Develop information systems Manage security and risk Manage data. Evolution of IT Infrastructure. Standalone mainframe
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Emerging Types of Enterprise Computing Technology Guide 3
IT Infrastructure • IT components • Hardware • Software • Networks • Databases • IT services • Develop information systems • Manage security and risk • Manage data
Evolution of IT Infrastructure • Standalone mainframe • Mainframe and dumb terminals • Standalone personal computers • Local area networks • Enterprise computing • Cloud computing and mobile computing
Server Farms • Massive data centers • Hundreds or thousands of networked computers • Provide redundancy and fault tolerance • Require massive amounts of electrical power, air conditioning, backup generators, and money • Make use of fiber communications links
Cloud Computing • Public Cloud • Maintained by an external cloud service provider • Accessed through the Internet • Available to the general public • Private cloud • Proprietary data center • Services available inside a company
Emerging Software Services • Open Source Software • Software-as-a-service (SaaS) • One form of cloud computing • Other forms: Platform-as-a-service, Infrastructure-as-a-service • Web services • Service oriented architecture (SOA)