MIS211 Lecture Notes - Lecture 7: Data Center, Cloud Management, Service Provider

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Topic 7: cloud services the key enabler. Cloud services: many definitions: the authoritative nist definition: This cloud model is composed of 5 essential characteristics, 3 service models and 4 deployment models. Main cloud component is the data centre: includes hardware for computing and storage. Data centre resources are pooled together by the cloud service provider (cid:858)cloud controller(cid:859) at the cloud service provider orchestrates the provisioning and utilisation of the resources to customers on demand. Hardware and software services are offered to consumers by one or more cloud service providers in distributed manner, over the internet. Where is the value: scalability/elasticity: easily scale resources allocated to the resources required (infinite elasticity, economic advantage, flexibility, pricing per use: For applications, data and infrastructure, to another organisation, over the web. A style of computing in which massively scalable it-related (cid:272)apa(cid:271)ilities are provided (cid:858)as a servi(cid:272)e(cid:859), usi(cid:374)g i(cid:374)ter(cid:374)et te(cid:272)h(cid:374)ologies, to (cid:373)ultiple e(cid:454)ter(cid:374)al (cid:272)usto(cid:373)ers . Many organisations are faced with traditional entrenched it:

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