User Privacy Issues in Eucalyptus: A Private Cloud Computing Environment

Author(s):  
Adeela Waqar ◽  
Asad Raza ◽  
Haider Abbas
2017 ◽  
Vol 10 (13) ◽  
pp. 445
Author(s):  
Purvi Pathak ◽  
Kumar R

High-performance computing (HPC) applications require high-end computing systems, but not all scientists have access to such powerful systems. Cloud computing provides an opportunity to run these applications on the cloud without the requirement of investing in high-end parallel computing systems. We can analyze the performance of the HPC applications on private as well as public clouds. The performance of the workload on the cloud can be calculated using different benchmarking tools such as NAS parallel benchmarking and Rally. The workloads of HPC applications require use of many parallel computing systems to be run on a physical setup, but this facility is available on cloud computing environment without the need of investing in physical machines. We aim to analyze the ability of the cloud to perform well when running HPC workloads. We shall get the detailed performance of the cloud when running these applications on a private cloud and find the pros and cons of running HPC workloads on cloud environment.


Author(s):  
Hassan Takabi ◽  
James B.D. Joshi ◽  
Gail-Joon Ahn

Cloud computing paradigm has recently gained tremendous momentum. It has been found very promising for significant cost reduction and the increased operating efficiencies in computing. However, security and privacy issues pose as the key roadblock to its rapid adoption. In this chapter, the authors present the security and privacy challenges in Cloud computing environments and discuss how they are related to various delivery and deployment models, and are exacerbated by the unique aspects of Clouds. The authors also propose a comprehensive security framework for Cloud computing environments and discuss various approaches to address the challenges, existing solutions and future work needed to provide a trustworthy Cloud computing environment.


Author(s):  
Sarita Motghare ◽  
C. S. Satsangi

Cloud technology is very useful for the business development, as it brings about astonishing results in a short time. It is human nature that we trust those things, which are present in front of our eyes. However, in case of cloud computing, the data is mostly outsourced. There always remains a concern for the security and integrity of the data. The privacy of the user is also an important area of concern. Many systems and technique are being developed to address these issues, but still there is always a scope of improvement. While addressing the issues related to the user privacy and data security and integrity, we must consider the efficiency of the system while accessing and searching for the data. In this paper, we discuss about the major challenges in cloud environment. Also, presented is a brief overview on existing research that has been carried out in the above-mentioned areas.


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