Cloud Computing For Dummies by Judith Hurwitz

By Judith Hurwitz

Cloud Computing for Dummies is a brilliant begin for individuals trying to research extra in regards to the cloud. it is also an excellent reference for those that be aware of the fundamentals, yet want additional information and insights on workload administration, criteria, protection and governance. there are lots of books on numerous facets of cloud computing, yet this is often most likely the broadest standpoint and assurance of this interesting and complicated new atmosphere. good equipped, and written, i locate this to be a booklet that i love to maintain convenient and confer with frequently.

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Cloud Computing For Dummies

Cloud Computing for Dummies is a brilliant begin for individuals seeking to research extra in regards to the cloud. it is also a superb reference for those who comprehend the fundamentals, yet want additional info and insights on workload administration, criteria, protection and governance. there are lots of books on quite a few points of cloud computing, yet this can be most likely the broadest standpoint and assurance of this intriguing and complicated new atmosphere.

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In reference to Platform as a Service, dynamic scaling means that the software can be automatically scaled up or down. Platform as a Service typically addresses the need to scale as well as the need to separate concerns of access and data security for its customers. Although this approach has many benefits for customers, it also has some disadvantages. The major drawback of Platform as a Service is that it may lock you in to the use of a particular development environment and stack of software components.

999 percent of the time and that more resources will be provided dynamically if greater than 80 percent of any given resource is being used. Currently, the most high-profile IaaS operation is Amazon’s Elastic Compute Cloud (Amazon EC2). It provides a Web interface that allows customers to access virtual machines. EC2 offers scalability under the user’s control with the user paying for resources by the hour. The use of the term elastic in the naming of Amazon’s EC2 is significant. The elasticity refers to the ability that EC2 users have to easily increase or decrease the infrastructure resources assigned to meet their needs.

Each approach presents different governance challenges: ✓ Infrastructure as a Service ✓ Platform as a Service ✓ Software as a Service ✓ Business Process as a Service Chapter 3: Getting Inside the Cloud To make matters more complicated, these approaches have no clean dividing line. Emerging vendors often combine approaches into their offerings. In addition, in most instances, a hybrid situation develops where on-premise applications are used in collaboration with traditionally hosted services and cloud services.

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