As a result, manufacturing inherits many of a cloud's inherent characteristics like multi-tenancy, resource pooling, pay-per-use, or self-service [22].
Most services rely on regular accounts [20, 29, 30] consequently being susceptible to a plethora of attacks [31 35] whose consequences are boosted by multi-tenancy and resource sharing.
However, the impact of such issues is intensified in cloud computing due to characteristics such as multi-tenancy and resource sharing, since actions from a single customer can affect all other users that inevitably share the same resources and interfaces.
Many new features have been added to Hyper-V, including network virtualization, multi-tenancy, storage resource pools, cross-premise connectivity, and cloud backup.
Consequently, the first choice must be carefully made, as SLAs are not perfect and services outages happen at the same pace that resource sharing, multi-tenancy and scalability are not fail proof.
As mentioned above, Fog platforms are a highly virtualized environment, supporting multi-tenancy and are capable of provisioning resource management facilities to Cloud systems.
Compared to traditional data center, hosting, etc., the virtual machine's resources in an IaaS environment belong to a variety of tenancy, but outside of the virtual machine software and hardware, resources belong to IaaS operators.
Since security is still a competitive challenge for classic IT environments it is even more for cloud environments due to its characteristics, like seamless scalability, shared resources, multi-tenancy, access from everywhere, on-demand availability and 3rd party hosting [5].
Moreover, the project focuses on creating a scalable 5G network slicing architecture [14], including a multi-tenancy aspect of using resources, slice management and orchestration, and separation of control and data planes.
The startup promises auto-scaling, elastic-usage, high availability and multi-tenancy, while guaranteeing continuous service during schema changes, resource modifications and the scaling process.
We present and compare three architectures: the reference one, which represents the current common approach, and two architectures that leverage the multi-tenancy and asynchrony concepts in order to reduce cloud resource usage.
