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Mobile phones are turning out to be increasingly ubiquitous and many users carry multiple phones to accommodate their changing needs. Here in this paper we present a virtualization technology called mobile phone virtualization which in turn creates a cloud computing service called Phone Call as a service (PCaaS). This service can purge the requirement of multiple phones and multiple Sims through the...
Cloud computing is a new approach in the field of information technology and development of computer technologies based on the World Wide Web. One of the most important challenges in this area is the security of cloud computing. On the other hand the security of access to critical and confidential information in banks, institutions and etc is extremely essential. Sometimes even with the enormous costs,...
The dependency on cloud storage has been growing immensely with the use of public cloud storage facilities. However, this has given rise to security concerns involved in data confidentiality even after deletion of data. As multiple copies of the same data are kept in the storage server for reliability, some copies of the data remain in the cloud storage though a user deletes the data. To address this...
Cloud computing is a promising technology that provides various services to the customers on demand over Internet. The ease of this technology is increasingly expanding in almost all the industries across the globe for its resulting benefits. Several organizations including BFSI Sector, want to adopt Public or Private Cloud services, but due to several security challenges posed by this emerging technology,...
Cloud computing is becoming a key driver in supporting all on-demand needs of corporate IT today. Cloud promises extensive mechanisms for apt resource sharing, maximum resource utilization, and true elasticity as compared to any of its early contestants. Even after recognizing its advantages, many organizations are reluctant to take up this next-generation computing, due to its severe security concerns...
As Cloud Computing is an emerging field, many improvements are being proposed to provide users with better services and facilities. This paper deals with the illusion of infinite resource availability on demand, one of the aspect in Cloud Computing. A new approach has been discussed here to continue providing this illusion. This work provides an efficient way for the cloud provider to decide on his...
The idea of using the idle resources of a system for some other useful purpose is not new. seti@home pioneered this concept of “public resource computing” by bringing together millions of users worldwide who were ready to donate their idle CPU cycles to the cause of searching the extra terrestrial intelligence. In this paper, we describe a system that uses the same concept for reducing build times...
In today's cloud computing scenario, privacy of data and trust on the service provider have become a major issue and concern. Achieving trust and preserving the privacy of data stored in third-party cloud databases has emerged as a key research area. To achieve this, several different techniques have been proposed based on cryptography, auditing by a third party, etc. Secret sharing schemes have also...
Cloud computing delivers platform, software application and hardware infrastructure as a service over Internet. It allows the users to utilize the service on-demand and pay-per-use model as given by Amazon EC2. There are two types of cost involved, fixed and variable. Cost will rise as the demand increases. In this paper the web service request coming from users are categorized into groups and virtual...
Cloud computing provides on demand resources for compute and storage requirements. Private cloud is a good option for cost saving for executing workflow applications but when the resources in private cloud are not enough to meet storage and compute requirements of an application then public clouds are the option left. While public clouds charge users on pay-per-use basis, private clouds are owned...
Today we see Smartphone's everywhere which run different kinds of applications. This has made life of the user easier as many things are available with just a click. However many applications are unable to execute efficiently or provide high-end features due to shortage of resources for computation, data storage and battery capacity of the device. We present a framework designed for speeding up the...
Cloud Computing has been regarded as a disruptive innovation in the recent years. Many organizations usually follow old school-conservative approach when it comes to the adoption of new innovative ideas due to the concerns it raises. While each application is unique, it is important to use your own “eyeglass” while evaluating Cloud strategy. Determining migration of applications to appropriate Cloud...
A cloud technology has become a popular workflow computing infrastructure. There is large development of large scale workflows having millions of tasks requiring thousands of computation hours. So there is need to optimize the cloud resource allocation. A decision must be taken on appropriate number of VMs along with the allocation of supplementary resources. Viable clouds may have different pricing...
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