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Cloud environment consists of many components playing different roles which need to interact with each other. Based on the context the nature of interaction may vary. Trust is an essential facet for confidence-based interactions among the various entities in cloud environment. This paper presents the taxonomy of trust models and classification of information sources for trust assessment in cloud paradigm...
In cloud computing, it is important to have instant access of resources such as CPU, storage and data. Key management techniques are used to protect the access of resources. In recent years, there is an increase use of threshold cryptography in Cloud computing. In threshold cryptography (k,n), k shares out of n can be used to form the key. Key share management is important in threshold cryptography...
Cloud Computing is a successful paradigm for deploying scalable and highly available web applications at low cost. In real life scenarios, the applications are expected to be scalable and consistent. Data partitioning is a commonly used technique for improving scalability. Traditional horizontal partitioning techniques are not capable of tracking the data access patterns of web applications. The development...
Out of various research challenges present in Cyber Physical Systems(CPS) resource provisioning, service composition and autonomics of self management are considered in detail. Resource provisioning means making the resources seamlessly available to user as and when they are required whereas Service composition means building a complex service when the individual service alone are not sufficient....
Cloud computing paradigm is being used because of its low up-front cost. In recent years, even mobile phone users store their data at Cloud. Customer information stored at Cloud needs to be protected against potential intruders as well as cloud service provider. There is threat to the data in transit and data at cloud due to different possible attacks. Organizations are transferring important information...
Cyber Physical Cloud (CPC) is a ubiquitous environment with tight integration of physical & environmental parameters in computation. It is real time heterogeneous computation. In addition to cloud hyper visor and other cloud enabled technologies there is need of middleware which will easily integrate this computational algorithms in cloud environment. Mobile sensor virtualization, 'Big data'...
Nowadays mobile applications are being widely used for daily need. Among those applications most of the applications include data management. Database Management System (DBMS) plays a vital role for an application to be efficient and reliable. This in turn requires the DBMS to be high performing and reliable. Recently, immense growth of research has occurred in the field of database management system...
Recently, SOA paradigm changed the way in which distributed software systems can be developed. It promotes the use of "service-oriented" principles to design and develop software systems. Various organizations have adopted SOA and uses information bus to integrate their businesses. In order to improve the performance of services running in SOA environment, caching has been used since long...
Various organizations are dependent on structured database like Oracle, MySQL etc. but these database systems do not harness the requirements of all organizations like scalability, availability etc. When data and number of requests increases, structure database cannot handle huge data and requests efficiently. One of the solution to overcome these issues is to shift datacenters on NoSQL unstructured...
Cloud computing has become an promising and popular prototype, by presenting its different popular paradigm as infrastructure as a service, platform as a service, software as a service. Now a days there is a challenge of building scalable, available, consistent Cloud Data Stores. In this paper, data partitioning approach such as static and dynamic partitioning are discussed. The main objective of...
Web services composition has been the area of research for a long time and still work is going on in this area. With the widespread use of cloud, Service oriented architecture and hence use of web services has increased enormously. In today's world of B2B integration web services composition is inevitable and so is the need for effective algorithms or techniques for run time composition. There have...
Security is one of the most important issues in the grid. Several processes generated by a user need to communicate securely. The existing architectures do not provide support for secure group communication in grid. Grid applications differ in various parameters such as life time, arrival rate, departure rate, staying period, and tolerance times for join and leave. These parameters are critical for...
Secure group communication has various applications. Requirements for an application differ in various parameters such as tolerance times for join and leave, arrival rate, departure rate, staying period and group life time. Existing group key agreement protocols do not harness knowledge of application requirements. In this paper we present scheme for tunable group key agreement. We introduce an application...
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