Infrastructure as a service
1. Infrastructure as a service
Let’s consider a scenario where you’re a member of the cloud security team at a local university. The university is preparing to migrate their traditional, on-premises infrastructure to the cloud. You’re tasked with reporting how infrastructure as a service, IaaS, is beneficial to the university’s needs. In this video, you’ll discover what IaaS can offer you in the world of cloud computing. IaaS is a cloud computing model where the CSP provides on-demand access to computing resources such as servers, storage, networking, and virtualization. IaaS offers lots of benefits for organizations. First, IaaS is scalable, so customers can configure their resources to increase and decrease on-demand depending on their needs. In the university example, IaaS’s scalability improves resource allocation. For example, during peak times of the school year, like student enrollment or final exams, the college’s IT infrastructure expands to accommodate the increased workload. When students leave campus during winter or summer break, the infrastructure scales back to adjust to the decreased workload. Second, in an IaaS model, the CSP pays for the underlying equipment and devices. The customer only pays for the resources they use. Continuing with the scenario, the university can use any savings that comes from adopting the cloud for other budgetary needs. Additionally, removing the need for physical servers and equipment opens more space for students. Third, adopting IaaS improves business productivity. With the CSP managing the physical infrastructure, IT teams can devote more time to managing infrastructure services and security. While the CSP secures the underlying infrastructure, the bulk of the security responsibilities belongs to the customer. Just to name a few, responsibilities include securing data, operations, and access and authentication. With this understanding of IaaS, you might wonder how exactly workloads are transferred to a cloud platform. One way to move your infrastructure from an on-premises environment to the cloud is by using the lift and shift migration model. Lift and shift is a migration model where workloads are moved to the cloud with little to no modifications. Because this model requires fewer modifications, it doesn’t take long to migrate your workloads, or for teams to adjust to using the cloud as a platform. Adopting IaaS is beneficial for organizations looking to migrate to the cloud while maintaining the most control over their workloads. After considering the advantages of IaaS and how to migrate your resources, you can provide the university’s security team with a well-informed perspective. This type of knowledge can help you make confident, informed decisions in real workplace situations.2. Let's practice!
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