Download PDF by Abdul Salam: Deploying and Managing a Cloud Infrastructure

By Abdul Salam

ISBN-10: 1118875109

ISBN-13: 9781118875100

(Real international talents for the CompTIA Cloud+ Certification and past)

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The physical storage medium is completely abstracted from the consumer of the data because you do not have to specify a network address or path to fetch a data element. The system would know where the object is stored in the pool based on the ID you provided. This is a huge step up from legacy data storage systems where you would have to first ping the network storage system, then query it to fetch the address of the data elements you wanted to access, and then take care of the minute details of the data transaction in order to have the data read into the application.

Whenever the requests increase the available capacity, the additional load is shifted on to the public cloud, and as the number of requests for an application decrease, the transparent switching mechanism would automatically move the load back into the private data center along with all the persistent data. In addition to demand, there are other operational scenarios in which cloud bursting would fit well, such as, for example, upgrading components within the data center or upgrading the complete data center.

The cloud provider abstracts the replication details from the end user to enable users to choose between low-cost storage options that have less or no replication or more-expensive object storage offerings that have more replication. Real-Time Replication vs. Passive Backup Cloud tenants can choose to implement either real-time replication or passive backup, based on the data requirements of their business. Passive backups are often the most cost-effective options available for businesses to perform regular backups of all data on the cloud.

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