Virtualization allows multiple virtual machines (VMs) to run simultaneously on a single physical machine by sharing CPU, memory, and I/O resources. To enable this, virtualization mechanisms must be implemented in…
Types of Virtualization Architectures Virtualization can be classified into the following main architectures: Hypervisor-Based Virtualization (VMM) ➤ Definition: A Hypervisor is a software layer that runs directly on the hardware…
OpenStack Nova is the compute component of the OpenStack cloud platform. It acts as a cloud fabric controller and is a key part of the Infrastructure as a Service (IaaS)…
Google App Engine (GAE) is a Platform as a Service (PaaS) cloud computing platform that enables developers to build and run scalable web applications on Google’s infrastructure. GAE supports several…
Hadoop is an open-source framework that supports the MapReduce programming model for processing large-scale data across a distributed cluster.The job execution involves three major components: Step-by-Step Explanation of the Data…
Running a parallel program on a distributed computing system involves multiple complex system-level issues, such as communication, coordination, resource management, and task allocation. These issues are explained below: 1. Partitioning…
A reputation system is used to evaluate the trustworthiness, honesty, or reliability of a person, service, agent, or product based on public opinion or feedback from users. In cloud computing,…
Virtual machine (VM) security is essential for maintaining the integrity and confidentiality of systems in virtualized environments. It ensures that virtual machines, which run multiple operating systems on shared hardware,…
Security Risks Posed by Shared Images in Cloud Services Shared images, like Amazon Machine Images (AMIs), are pre-configured templates used to create virtual machines (VMs) in cloud services. These images…
In Database as a Service (DBaaS), cloud users outsource their data management to Cloud Service Providers (CSPs). However, this raises serious security concerns regarding data confidentiality, integrity, availability, and control.…
