Cloud computing is very common today due to its various characteristics and benefits. It is cost efficient and thus very popular, but has great impact on environment such as increase in pollution, climatic changes and shortage of energy resources. Green cloud computing is important issue at present time. In this paper, the author have made critical observations of energy efficiency in all field...

Adoption of cloud infrastructure promises enterprises numerous benefits, such as faster time-to-market and improved scalability enabled by on-demand provisioning of pooled and shared computing resources. In particular, hybrid clouds, by combining the private in-house capacity with the on-demand capacity of public clouds, promise to achieve both increased utilization rate of the in-house infrast...

With the popularity of cloud computing, it has become crucial to provide on-demand services dynamically according to the users requirements. Reliability and energy efficiency are two key challenges in cloud computing systems (CCS) that need careful attention and investigation. The recent survey articles are either focused on the reliability techniques or energy efficiency methods in cloud compu...

Cloud computing is an evolving paradigm that redefines the way in which Information based Technology services are being offered. Cloud Computing has created a new era in the IT industry, offering businesses and individuals technical and economical benefits, such as utilising computing resources through virtualisation and user paying only for what it uses. In cloud-based computing, the applicati...

Nowadays, the great benefits of cloud computing have dramatically increased the number of e-banking users. Hence, the competition in the banking industry has boosted and managers need to evaluate their branches on a regular basis. To this end, this study aims to evaluate cloud-based banking systems based on the Quality of Service (QoS) attributes using the Dynamic Network Data Envelopment Analy...

Energy efficiency is a major issue in Cloud computing infrastructure. The large power consumption is mainly attributed to the large number of modern data centers operating within. Developing these data centers includes dynamically expanding their infrastructures to meet the ever-increasing demand for huge computation, large storage, and massive communication. Energy conservation through optimiz...

The current advances in cloud computing layout well established research in Distributed computing, virtualization, web services, utility computing, have provided many advantages in scalability, cost and efficiency for cloud service users. These advantages are further expected to satisfy the demands of cloud users for cloud services in efficient and effective manner. This brings the issue of fau...

Cloud Computing, the long term goal of utility computing has transformed the IT industry a lot. Data constantly contain sensitive information should be secured by policies and regulation defined by various organizations. However, information on cloud always causes privacy problems. Data encryption protects privacy and confidentiality but efficiency is not ensured. Symmetric Searchable Encryptio...

With the success of the cloud computing paradigm, data security in the cloud remains a big concern and even an obstacle that prohibits the adoption of enterprise usage of the cloud. Although encryption can provide confidentiality for enterprise data, most current data access methods on encrypted data either sacrifice query efficiency for data confidentiality, or trade off partial confidentialit...