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Question: Discuss about the Best Cloud Storage For Volkswagen. Answer: Introduction Cloud computing is referred as delivery of hosted services over the internet which enables corporations to use computing resources such as storage, application, or a virtual machine like a utility such as electricity. While using cloud computing, enterprises did not have to build and maintain a computing infrastructure in-house (Armbrust, et al., 2010). This report will discuss the significant features that are necessary to be considered while selecting a type of cloud storage. This report will elaborate services that are offered by cloud storage providers and compare the attributes of public, private and hybrid cloud storage. Further, the report will examine which is the best cloud storage for Volkswagen and evaluate the benefits and challenges of using cloud storage by corporations. Important Features for Selecting Cloud Storage Following are significant features that are necessary to be considered by corporations while selecting a suitable type of cloud storage. Cost: The cost generally correlated with performance and features which by a Cloud Service Provider (CSP). For example, high-latency storage is a cheaper option than low-latency storage for companies (Zhang, Cheng Boutaba, 2010). Risk assessment: Physical data storage include a number of risks such as power disruptions, hardware failure, and disputes with vendors. Online backup mitigates risks of business or technical issues. Therefore, companies are required to assess their risks before selecting a suitable cloud storage provider. Security: Use of cloud storage increases the risk of cyber-attack which increases the investment of companies in security data. Integration with other applications: Organisations have to understand different integrations points and how a cloud storage provider will integrate it with other applications. Service-Level Agreements (SLA): An SLA includes different terms and penalty clauses for non-delivery of services by a cloud storage provider. The companies should ensure that SLA includes different clauses which ensure efficiency in data usage (Wu Buyya, 2012). Selecting right provider: The number of CSPs is high which include market leaders such as Google Cloud Platform, Amazon Web Services (AWS) and Microsoft Azure. Therefore, organisations should evaluate reliability and pricing of each player before selecting the most suitable one for them. Services offered by Cloud Storage Providers and Examples Following are different services which are offered by CSPs along with examples of each service. Infrastructure as a Service (IaaS) It provides virtualised computing resources to companies through the internet. It gives access to crucial web architecture which includes servers, connections, storage space with the requirement of companies to purchase or manage the infrastructure (Bhardwaj, Jain Jain, 2010). A good example of IaaS is Amazon EC2 which provides secure and resizable computing capacity of the cloud to corporations, and it makes web-scale cloud computing easier for developers (Amazon, 2018). Platform as a Service (PaaS) If the cloud offers services of a development platform to developers which include services such as web server, programming language execution environment, database and operating system, it is known as PaaS (Beimborn, Miletzki Wenzel, 2011). The Example of PaaS includes Google App Engine which assists developing in building mobile applications and modern web on an open cloud platform (Google, 2018). Software as a Service (SaaS) It is referred as a software distribution model that enables third-party providers to host their applications and to make them available to their customers over the internet. It eliminates the need for companies to install and run the programs or applications on their computers or managing them from their data centres. Use of SaaS eliminates various expenses relating to hardware, acquisition, maintenance, and provisioning, along with software installation, support and licensing (Wohl, 2010). The example of SaaS model is Gmail which is a free web-based e-mail service provided by Google to its customers which enable them to send emails, search specific emails, create a conversational thread, automatic organisation of emails and others. Comparison between Public, Private and Hybrid Cloud Storage Public Cloud Private Cloud Hybrid Cloud Tenancy Data of multiple companies stored in a shared environment. Only a single corporations data is stored. Public cloud stores data in shared environment whereas private cloud data is kept private by a firm (Goyal, 2014). Exposed to public Anyone can access and use the data. Only the company has the access. Services using public cloud can be accessed by anyone whereas applications on private cloud can only be accessed by the firm. Hardware Components CSPs provide and maintain the hardware. Companies have their own administrators for cloud management. Private cloud is managed by the firm whereas public cloud is managed by service providers (Jadeja Modi, 2012). Expenses CSPs bear expenses relating to hardware, maintenance, set-up application, and network accessibility as per SLA. More expensive as expenses bear by the firm itself. Private cloud expenses are managed by the company whereas CSPs manage public cloud expenses. Best Cloud Storage for Volkswagen Volkswagen is a German auto manufacturer company which offer its service worldwide. The best cloud storage option for Volkswagen is SaaS. Use of SaaS can improve supply chain operations of the firm such as supplier synchronisation, advanced shipping notices, reducing management cost, and others. Volkswagen can automate its supply chain functions by making a SaaS application can facilitate services such as sending automated orders to suppliers, sending products to distribution centres, improved communication which leads to better collaboration and others. Benefits and Challenges of using Cloud Storage Benefits Cost efficiency Global access to data Reduced support and hardware needs Greener option than compared to traditional IT infrastructure Challenges Risk of cyber-attack and availability of data The need for reliable and fast internet service Difficulty in change management since trained employees required Conclusion In conclusion, cloud computing is referred as a practice of using a network of remote server that is hosted on the internet for performing various services such as managing, storing, and processing data, instead of using local servers. Before choosing a cloud service provider, companies should consider factors such as cost, risk assessment, SLA, right provider and others. The advantages of cloud computing include cost efficiency, global access, greener option and reduced support and hardware needs. The challenges include risk of cyber-attack and availability of data, dependence on reliable internet, and difficulty in change management. Organisations should evaluate these factors before investing in cloud computing technology which improves their operations and sustains their future growth. References Amazon. (2018). Amazon EC2. Retrieved from https://aws.amazon.com/ec2/ Armbrust, M., Fox, A., Griffith, R., Joseph, A. D., Katz, R., Konwinski, A., ... Zaharia, M. (2010). A view of cloud computing.Communications of the ACM,53(4), 50-58. Beimborn, D., Miletzki, T., Wenzel, S. (2011). Platform as a service (PaaS).Business Information Systems Engineering,3(6), 381-384. Bhardwaj, S., Jain, L., Jain, S. (2010). Cloud computing: A study of infrastructure as a service (IAAS).International Journal of engineering and information Technology,2(1), 60-63. Google. (2018). Google App Engine. Retrieved from https://cloud.google.com/appengine/ Goyal, S. (2014). 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