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TOPIC CHOSEN: Public Cloud Computing 1. In your answer, identify the topic and explain it in your own words. Then, indicate why the topic is of interest to you and further how it may apply to you personally or professionally. 2. Using the same topic identified in Question \#1, introduce and explain something new you have learned about the topic (beyond the course textbook). You will answer this question by conducting a little bit of research (see the Research Resources module). The research performed will fulfill the outside resource/relevant research component of the Initial Post criteria as found in the Group Discussion Forum Grading Rubric, noting the source must be cited in APA 7th edition format (for both the in-text citation and the end reference). (PLEASE INCLUDE THE LINK TO THE WEBSITE THAT WAS USED TO GET THIS INFO) Thank you(: Public Cloud Computing In a public cloud computing environment, a service provider organization owns and manages the infrastructure (including computing, networking, storage devices, and support personnel) with cloud user organizations (called tenants) accessing slices of shared resources via the Internet. The service provider can deliver increasing amounts of computing, network, and storage capacity on demand, without requiring any capital investment on the part of the cloud users. Thus, public cloud computing is a great solution for organizations whose computing needs vary greatly depending on changes in demand. Amazon, Google, and Microsoft are among the largest public cloud computing service providers. These firms typically offer a monthly or annual subscription service model; they may also provide training, support, and data integration services. Benefts of Public Cloud Computing Public cloud computing offers three key benefits to organizations-reduced costs, flexible computing capacity, and increased redundancy in the event of disaster: With public cloud computing, organizations avoid large, up-front investments in hardware. Public cloud computing can also lower the ongoing investment in the people and other resources required to manage that hardware. Organizations can request just the righr type and capacity of information system resources from their cloud computing provider, pay for it on an ongoing basis, and let the service peovider handle the system support and maintenance. Should an organization's computing needs change, it can request its cloud computing service provider to deliver more or less capacity, with a corresponding increase or decrease in monthly charges. This avoids lengthy delays (possibly months) that can occur when an organization tries to acquire its own resources. Such flexibility can increase the speed and reduce the costs of new product and service launches. An erganization can quickly acquire the increased computing capacity required to test a new product or service offering literally overnight. If the test proves successful, even more computing capacity can be requested to support the rollout of the new product or service. On the other hand, should the test prove unsuccessful, the organization can simply request the cloud computing service provider to turn off the additional capacity. Public cloud service providers operate multiple data centers distributed geographically. They also save multiple copies of tenants' data on different machines. This redundancy ensures that the tenants' information and the service provider's processing power rentain available with minimal interruption. Continuity of operations can be guranteed enen in the event a natural disaster strikes a certain region (e.g., a hurricane), a local hardware or sofrware failure occurs at one of the data centers, or a software or hardware component needs to be updated or replaced. Seattle-based Zulily is an online retailer that sells dothing, toys, and home products. In 2018, the retailer moved several of its core business processes to Amazon's public cloud service platform to enhance the online shopping experience of its more than six million active customers. Machine learning helps Zulily present customers with a customized experience, and data is at the center of the company's operations. By moving sereral of its production databases to the cloud, Zulily gained higher fault tolerance and improved performance -both of which are critical to the companys ongoing success. The company is also saving thousands of dollars per month through cloud computing. In addition, the more to the cloud resulted in a 3040 percent performance improvement for each request for data from the company's online databases made through its Wieb site and mobile app. 2 Cloud Computing Services Public cloud computing can be divided into three main types of services (see Figure 8.2): - Infrastructure as a service (tass) is an information systems model in which an organization outsources the equipment used to support its data processing operations, induding servers, storage devices, and networking components. The service provider owns the equipment and is responsible for housing, running, and maintaining it. The outsourcing organization may pay on a per-use or monthly basis. - Platform as a service (Paas) is an information systems model in which users are provided with a compoting platform, typically including operating system, programming language execution environment, darabase services, and a web server. The user can create an application or service using tools and/or fibraries from the provider. The user also controls software deployment and configuration settings. The PaaS provider provides the networks, servers, storage, and other services required to host the consumer's application. PaaS enables application developers to develop, test, and run their software solutions on a cloud platform without the cost and complexity of buying and managing the underlying hardware and software. viles users with access to sultrare remotely as a eblosid servike Sas pricing is bused en a monthly fee per user and typically nowets in lower costs than a licensent application. Mnether adrantage of Seas is that and invall additional hardwate to peuvide increased capacity furthermare, the servike pro4ider hundles mececary sidtware mainternawe and uperades The claed obmputing envirsament Issues with Public Cloud Computing Although public doad cemputine oiffers the benefin of moluced ones fleakte compuing capocity, and increased redundancy in the enth of diontert, owe paries eontenplating morine to the thual are adviscd to procend cartioly. as cepariations ficyucutly encounder mapir dhallewert durkeg the travikise performance over time, indlequale date kecurity, and wnder bock it experienced leksl, purthasine, and is nemercen to rovien and modify, whene mecrowary, 3 thoud wervice furoniderik seandard contract. Fallut to do wo miy resalt in unespected coscs that reduce the evpected cost sovits. ramping up of down the amoust of eomputing capactey made amallble bo them. Fallate to expond quickly to a capacify chanke reqoent cat areatly reduce the value of alued comiputing. In addition. dhe service perider: A tow of capability for amthing longer than a fow minalis atay be dieas moeis to tenants whe are runnieg missive-cthical applicalioen in the cloed! and if may quicaly impact their tewenue:generation and customer serviox capabeliries Data securty is another key woncer when wien a putdic doul owmputios senvice because you are rebinc on somesne ebe los safceuand pour datia, which may ewe reide on the same storage derice as duta frum anntwer urganigation fully before everring into a pultic choud oomputing arranpetient. Onganiraand peldic alilify erpanizationsl maust ensure that their own peocesse and application-as well as those of the cloud penider-are crempicent with thone regalations. A major seartap isue that oreanirations showld alwi gumsiler is the amkare of ctlon involved in msyving 10 the chod in the lirst place. This inenoduces lhe bove of vendor kek-in-mekning ebor an orpaniration han pyec theucth the vider, it will likely be very foluctant be go through the timevonsuatning miers tion grokiess a sevond time, wien if ooncens ariee with the vender the? ats live with for the forrsceal-e futurt