Ideally, by enabling multi-tenancy, network virtualization allows to improve resource utilization, while providing performance isolation: although the underlying resources are shared, the virtual network appears as a dedicated network to the tenant. However, providing such an illusion is challenging in practice, and over the last years, many expedient approaches have been proposed to provide pe...

Collaborative systems allow a group of organizations to collaborate and complete shared tasks through distributed platforms. Organizations who often leverage cloud-based solutions outsource their data benefit from the cloud capabilities. During such collaborations, tenants require access utilize resources held by other collaborating tenants, which are hosted across multiple providers. Ensuring ...

Context. Cloud computing is getting more and more interest with every year. It is an approach that allows Internet based applications to work in distributed and virtualized cloud environment. It is characterized by on-demand resources and payper-use pricing. Software-as-a-Service (SaaS) is a software distribution paradigm in cloud computing and represents the highest, software layer in the clou...

To meet these seemingly conflicting needs, a growing number of companies are migrating from a single-instance ERP system to a two-tier strategy that combines the stability of on-premise ERP with the agility of cloud ERP (i.e., multi-tenant ERP delivered in a SaaS model) to create a hybrid environment. On-premise ERP systems function as “systems of record,” or “a single source of the truth” for ...

FPGA (Field Programmable Gate Array) based accelerators are attracting significant interest in cloud computing systems. Combining multi-FPGA systems with brings a new perspective to the reconfigurable research. However, multi-tenancy of system has not been fully discussed previous researches. In this paper, we propose multi-tenant resource management system, named FiC-RM, for system. FiC-RM pro...

Abstract Today’s cloud service providers (CSPs) use in-memory caching engines to improve application performance and server revenue. However, these caching engines exhibit poor scaling, mainly because of high DRAM cost and energy consumption. On the other hand, the increasing use of multi-tenancy requires effective and optimal resource provisioning. In this paper, we introduce ElCached, a multi...

Multi-tenancy is a relatively new software architecture principle in the realm of the Software as a Service (SaaS) business model. It allows to make full use of the economy of scale, as multiple customers – “tenants” – share the same application and database instance. All the while, the tenants enjoy a highly configurable application, making it appear that the application is deployed on a dedic...

We present a general-purpose protocol that enables a client to delegate the computation of any function to a cluster of n machines in such a way that no adversary that corrupts at most n − 1 machines can recover any information about the client’s input or output. The protocol makes black-box use of multi-party computation (MPC) and secret sharing and inherits the security properties of the unde...

Abstract With the expansion of 5G networks, new business models are arising where multi-tenancy and active infrastructure sharing will be key enablers for them. these opportunities, security risks appearing in form a complex evolving threat landscape being one main challenges mass rollout. In 5G-enabled scenarios, adversaries can exploit vulnerabilities associated with resource to perform later...

Nowadays one of the most useful computing paradigm is cloud computing which can be accessed as “Pay-n-Use” method and it provides services in terms of software, utility and platform. Cloud computing leads people to run any kind of complex applications and it allows accessing data centers remotely and costing effectively. It is well known that most of the complex applications need parallel proce...