You are a security architect for a cloud service provider that provides an ERP system. They are responsible for ensuring the isolation of tenants throughout the area. Assuming you are using VMWare with Kubernetes containers and NXT (GENEVE Routing Overlay Protocol), we will add diagrams and explain how to best ensure tenant isolation in a virtualized environment. Two competitors are hosted on the same infrastructure, and any information leaked between the two companies would have a negative impact on the business.
With effective cloud computing services such as VMware, tenant isolation is built into your virtual environment. Different categories of SaaS delivery models should be considered while ensuring tenant isolation. Before making any changes to your virtual environment, you should create an isolation strategy (VMware & Calculator, 2018). Using VMWare with Kubernetes containers is critical to improving network services and efficient storage in your environment. The use of the GENEVE routing overlay protocol is very important for encapsulating data packets in virtual environments. Using Kubernetes containers initially increases the scalability of the data transferred to and from the ERP system. Using this protocol, there are no communication delays. Using VMware also reduces the risk of information leakage (Netto et al., 2017). Therefore, we can say that there is a need to maintain transparency between two competitors hosted on the same infrastructure. At the same time, data leakage reduction is another important contribution of VMWare, including Kubernetes containers and NXT. The integration of the GENEVE routing overlay protocol is also aimed at ensuring the security of data packets received within and outside the ERP system. The following diagram is very helpful in understanding the process of ensuring tenant isolation in a virtual environment. Figure 1: Tenant isolation in a virtual environment
Netto, H.V., Lung, L.C., Correia, M., Luiz, A.F., and de Souza, L.M. S. (2017). State machine replication in Kubernetes-managed containers. Systems Architecture Journal, 73, 53-59.
VMware, I. & Calculator, R. O.I. (2018). VMware.
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