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Carrier cloud : ウィキペディア英語版 | Carrier cloud
In cloud computing a carrier cloud is a class of cloud that integrates wide area networks (WAN) and other attributes of communications service providers’ carrier grade networks to enable the deployment of highly demanding applications in the cloud. In contrast, classic cloud computing focusses on the data center, and does not address the network connecting data centers and cloud users. This may result in unpredictable response times and security issues when business critical data are transferred over the Internet. == History == The advent of virtualization technology and cost effective computing hardware as well as ubiquitous Internet connectivity enabled a first wave of cloud services starting in the first years of the 21st century.〔Public IT Cloud Services Spending to Reach $72.9 Billion in 2015, Capturing Nearly Half of Net New Spending Growth in Five Key Product Segments, According to IDC, June 20, 2011〕〔Gartner Says Worldwide IT Spending Is on Pace to Grow 7.1 Percent in 2011, Gartner June 30, 2011〕〔Public cloud services market to hit revenues of $66 billion, September 30, 2011〕〔Cloud Computing Takes Off: Market Set to Boom as Migration Accelerates, Morgan Stanley, May 23, 2011〕 But many businesses and other organizations hesitated to move more demanding applications from on-premises dedicated hardware into private or public clouds. As a response, communications service providers started in the 2010/2011 time frame to develop carrier clouds that address perceived weaknesses in existing cloud services.〔(Cloud Services: Carriers Want Cloud Control ), CRN, July 25, 2011〕 Weaknesses cited vary〔IDC Cloud Management Forecast 2011: Survey on CIO Attitudes, IDC, 2011〕〔Empty Promises and Tough Luck: Yankee Group Exposes the Cloud's Fine Print, Yankee Group, April 21, 2010〕〔Guidelines on Security and Privacy in Public Cloud Computing, National Institute of Standards and Technology, January 2011〕〔Performance issues cloud content delivery options, Jeff Kim, ECM Plus: The Voice of Content, April 21, 2011〕 but often include performance, availability, security and service level agreements (SLAs).
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「Carrier cloud」の詳細全文を読む
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