MIS 290 chapter 6 notes - The Cloud PDF

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The Cloud...

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MIS 290 Chapter 6 notes The Cloud - Lease storage capacity from third party - All incoming data from drones automatically uploaded - Average monthly storage costs cut at least 50% - Power savings, backup time saved, no new hardware configuration - One-time set up and development costs Benefits of the cloud - The Cloud - Elastic leasing of pooled computer resources over the internet - Elastic - Automatically adjusts for unpredictable demand - Limit financial risks - Pooled - Same physical hardware - Economies of scale The cloud - Lease - right to use something - Economies of scale - Average cost decreases as size of operation increases - Major cloud vendors operate enormous Web farm - Major companies like Apple or amazon.com or google, etc created Web Farms - Over the internet - Service-oriented architecture (SOA) - way of designing computer programs so they can be flexibly combines - Defines the services data that is expected and results they produce - Web service standards - worldwide standard that programs use to declare what they do, data structures and communication protocols - Web services - SOA Programs compiled with Web Standards Where did the cloud come from? - The mainframe era (1960s-1980s) - Large scale high-speed centralized computers - Thin clients, no internet, and no cloud - The client server era (1990-2000) - Allowed clients (users) to send requests across the internet to servers - Internet, but no modern cloud computing yet - The cloud computer era (2008-current) - Applications, data, and processing power can be used remotely

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Accessed with a variety of devices including PCs, thin clients, mobile devices, and IoT devices Why do organizations prefer the cloud? - Lower costs - cheap processors, essentially free data communication and storage - Ubiquitous access - Improved scalability - Elasticity - Virtualization technology - Internet-bases standards enable flexible, standardized processing capabilities When does the cloud not make sense - When law or standard industry practices require physical control or possession of the data - Financial institutions legally required to maintain physical control over its data

How do organizations use the cloud - Software as a service - provides hardware infrastructure, operating systems and applications - Platform as a service - provides hosted computers, operating system and possibly a DBMS - Infrastructure as a service - servers…...