ITM 100 Chapter Notes - Chapter 5: Software As A Service, Grid Computing, Loose Coupling

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 100
• Professor: Robert Hudyma

Document Summary

Supplying firms with it infrastructure was a . 78 trillion industry worldwide in 2013: includes: telecommunications, networking equipment, and telecommunications services (internet, telephone, data transmission) It infra consists of physical devices and software applications that are required to operate the entire enterprise. Multitiered client/ server architectures: work of entire network is balanced over several different levels of servers, depending on the kind of service being requested. Web server: responsible for locating and managing stored web pages. Application server: handles all application operations between user and an organization"s back end business system: enterprise computing, cloud and mobile computing era: Cloud computing: provides access to shared pool of computing resources over a network, often the internet. Law of mass digital storage: every year amount of digital information is doubling, cost of storing digital information is falling exponentially at a rate of 100% a year.