By Daniel Balouek, Alexandra Carpen Amarie, Ghislain Charrier, Frédéric Desprez (auth.), Ivan I. Ivanov, Marten van Sinderen, Frank Leymann, Tony Shan (eds.)
This ebook constitutes the completely refereed lawsuits of the second one foreign convention on Cloud Computing and providers technology, nearer 2012, held in Porto, Portugal, in April 2012. The 15 papers have been chosen from one hundred forty five submissions and are awarded including one invited paper. The papers conceal the subsequent themes: cloud computing basics, companies technological know-how origin for cloud computing, cloud computing structures and functions, and cloud computing allowing technology.
Read Online or Download Cloud Computing and Services Science: Second International Conference, CLOSER 2012, Porto, Portugal, April 18-21, 2012. Revised Selected Papers PDF
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Extra resources for Cloud Computing and Services Science: Second International Conference, CLOSER 2012, Porto, Portugal, April 18-21, 2012. Revised Selected Papers
Experiments are conducted across a range of operating conditions: number of jobs, failure frequency (θ), PSLA , and the accuracy of failure prediction. Accuracy implies the ability of the failure prediction methods, and is presented by both the false-negative (fn) and false positive (fp) ratio. Denote by L. Zhao and K. 95 16800 False Negative Ratio (d)
Reactive Practive+Reactive PR+MaxReliability
Total Net Revenue ($) 18000 Total Net Revenue ($) 18200 False Positive Ratio (e) Fig.
Zhao and K. Sakurai Run Running 0/0 Idle 1/P10 Terminated 0/0 Malfunction 0/0 Recovery 0/0 Idle Termi. Malfunc. Reco. 0/0 P02 /P02 P03 /P03 0/P04 0/P11 0/0 0/0 0/P14 1/1 0/0 0/0 0/0 0/0 0/0 0/0 1/1 1/1 0/0 0/0 0/0 Fig. 3. The state transition probability for Reactive/Proactive-reactive recovery Reactive recovery Path 1 IDLE - RUNNING - TERMINATE - IDLE Path 2 IDLE - RUNNING - MALFUNCTION - RECOVERY - IDLE Proactive-Reactive recovery Path 1 IDLE - RUNNING - TERMINATE - IDLE Path 2 IDLE - RUNNING - MALFUNCTION - RECOVERY - IDLE Path 3 IDLE - RUNNING - RECOVERY - IDLE Path 4 IDLE - IDLE Path 5 IDLE - RECOVERY - IDLE Revenue AR −BR AP R −BP R CP R 0 −DP R Fig.
If services are not provided over IPv6, then users will not shift to IPv6, and if users do not use IPv6, then the service providers do not deploy IPv6. However, considering the global trend of shifting to IPv4/IPv6 dual-stack world, it is mandatory for service providers to accept all three types of users, 1) IPv4-only users who will remain in the Internet for long time, 2) IPv4/IPv6 dual-stack users who will be a dominant users in near future, and 3) IPv6-only users who will appear in the future as IPv6 deployment progresses.