Storage as a Service Storage as a Service
səhifə 4/4 tarix 05.01.2022 ölçüsü 445 b. #72896
Storage as a Service Data(base) as a Service (DaaS) Process as a Service - Business Process as a Service Network as a Service (NaaS) Integration as a Service Testing as a Service
http://www.ibm.com/ibm/cloud/ http://www.ibm.com/ibm/cloud/ « Values to customers include: »
From the customer point of view: From the customer point of view: Scalability Reliability Flexibility Cost Security and Privacy Performance Ubiquitous and fast access Quality of Service Service Level Agreement Pricing system Simple to use From the internal point of view
Compute Cloud EC2 (Elastic Cloud Computing) Compute Cloud EC2 (Elastic Cloud Computing) pricing: http://aws.amazon.com/fr/ec2/pricing//185-8840065-1558013/ « private » virtualized servers (« instances ») of different types example: High-CPU Extra Large Instance 7 GB of memory 20 EC2 Compute Units 1690 GB Storage Pricing on a per hour basis for each instance type: from $0.085/hour for the small standard "On-Demand" virtual machine running Linux to 29x more for the largest one running Windows (Jan. 2011). The data transfer charge ranges from $0.08 to $0.15 per gigabyte, depending on the volume Data Cloud S3 (Simple Storage Service) pricing: http://aws.amazon.com/fr/s3/pricing/ from $0.055 to $0.14 per GB-month (standard storage), + bandwidth usage (from $0.05 to 0.12 per GB – EU price) + requests (from $0.001 to $0.01 per 1000 requests) 556 stored billion objects (Oct. 2011) (Marc 2010: 102 billion objects) data transfer is charged by TB / month data transfer, depending on the source and target of such transfer.
Compute : Compute : connection to the « Compute » service > 99,95% Web and Worker roles > 99,9% note : service interruption interruption > 5 mn Storage « failed » transactions (error rate) < 0,1% credit = 10% if 0,1% <= error rate < 1% Credit = 25%
Gartner: Gartner: identifies the Cloud as one of the four trends that will change IT and the economy in the next 10 years (http://www.gartner.com/it/page.jsp?id=1470115) predicts that the value of Cloud Computing will surge to 150.1 billion dollars by 2013 expects SaaS demand to continue to growth to a total of more than 14 billion dollars by 2013 IDC [BBE10]: the market for private enterprise Cloud servers will grow from an $8.4 billion opportunity in 2010, to a $12.6 billion market in 2014 SaaS revenue will grow five times more than traditional software by 2014, about 34% of all new business software purchases will be consumed via SaaS. Steve Ballmer (Microsoft's CEO) (March 2010): Information Systems Audit and Control Association (ISACA): 33% among all European organizations are using cloud computing systems
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