|
Cloud computing has become a social phenomenon used by most people every day. As with every important social phenomenon there are issues that limit its widespread adoption. Most issues start from the fact that the user loses control of his or her data, because it is stored on a computer belonging to someone else (the cloud provider).〔Haghighat, M., Zonouz, S., & Abdel-Mottaleb, M. (2015). (CloudID: Trustworthy Cloud-based and Cross-Enterprise Biometric Identification ). Expert Systems with Applications, 42(21), 7905–7916.〕 This happens when the owner of the remote servers is a person or organization other than the user; as their interests may point in different directions (for example, the user may wish that his or her information is kept private, but the owner of the remote servers may want to take advantage of it for their own business). Many issues relate to cloud computing, some of which are discussed here: ==Threats and opportunities of the cloud== GNU project initiator Richard Stallman has characterized cloud computing as raising cost and information-ownership concerns.〔 〕 Oracle founder Larry Ellison viewed the trend to "cloud computing" in terms of "fashion-driven () complete gibberish".〔 〕 However, the concept of cloud computing appeared to gain steam,〔http://www.morganstanley.com/views/perspectives/cloud_computing.pdf〕 with 56% of the major European technology decision-makers seeing the cloud as a priority in 2013 and 2014, and the cloud budget may reach 30% of the overall IT budget. According to the ''TechInsights Report 2013: Cloud Succeeds'' based on a survey, cloud implementations generally meet or exceed expectations across major service models, such as Infrastructure as a Service (IaaS), Platform as a service (PaaS) and Software as a service (SaaS).〔 Cloud Computing Grows Up: Benefits Exceed Expectations According to Report. Press Release, May 21, 2013. () 〕 Several deterrents to the widespread adoption of cloud computing remain. They include: * reliability * availability of services and data * security * complexity * costs * regulations and legal issues * performance * migration * reversion * the lack of standards * limited customization * issues of privacy The cloud offers many strong points: infrastructure flexibility, faster deployment of applications and data, cost control, adaptation of cloud resources to real needs, improved productivity, etc.. The cloud market of the early 2010s - especially for private clouds - was dominated by software and services in SaaS mode and IaaS (infrastructure). PaaS and the public cloud lag in comparison. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cloud computing issues」の詳細全文を読む スポンサード リンク
|