Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

A virtual switch is the software equivalent of a physical network switch, connecting the virtual network adapters of virtual machines (VMs) to a network at Layer 2 of the Open Systems Interconnection (OSI) model. VMware provides vSwitches across its virtualization platforms, but how you manage them depends on the type you choose. A standard vSwitch has to be set up by hand on every ESXi host.

Data replication is primarily used when service and data availability requirements are high. There are two types of replication – real-time replication or continuous replication and traditional replication, also called periodical or snapshot replication. Real-time replication has more advantages than traditional replication but consumes more resources. For this reason, it is better to follow data replication best practices to implement real-time VM replication for disaster recovery.

Microsoft Active Directory is widely used for authentication, and many software solutions can integrate with it to rely on a single authentication system. VMware vSphere components, including vCenter Server and ESXi hosts, also support Active Directory integration, which simplifies account and access management. However, this convenience introduces specific security risks that administrators need to understand and mitigate.

When configuring storage on local servers or Network Attached Storage (NAS) devices, RAID and JBOD are the two common options. Both involve combining multiple drives into a single volume, but they differ significantly in how data is distributed, protected and accessed. Choosing the wrong configuration can lead to performance degradation or data loss. This post covers the differences between JBOD and RAID and identifies the optimal storage types for backups and VM datastores.

Android is a very popular and prolific operating system on mobile devices such as smartphones and tablets. Most of the time, there is no practical reason to install Android on a physical computer, but there may be some cases when you need to run Android on a virtual machine (VM), for example, when developing applications for Android and testing them. Fortunately, you can install Android on VMware Workstation, VMware Player, VMware ESXi, and VirtualBox.

For connecting physical servers and computers to a network, you need physical network adapters, switches, and routers. With virtual machines, virtual network concepts are used for communication between the different components of an infrastructure. The proper configuration of ESXi networking on a host is critically important to the configuration of any ESXi environment. Generally, ESXi host networks include storage, vMotion, VM, and management networks.

VMware is one of the best virtualization platforms in the world, popular among IT specialists for its ability to provide high-speed operations, reliability, scalability, security, and convenience. VMware ESXi Server is a type 1 hypervisor designed to be installed directly on physical servers, that is, it is a bare metal hypervisor. VMware type 2 hypervisors (VMware Player, Workstation, and Fusion), on the other hand, can be installed on existing operating systems running on desktops and laptops.

As a virtualization market leader, VMware offers products for a wide range of users. Its enterprise-grade line includes VMware vSphere products like ESXi, which is a type 1 hypervisor. VMware also offers type 2 hypervisors like VMware Workstation Player (or VMware Player) and VMware Workstation Pro (or VMware Workstation). Type 2 hypervisors are installed on the underlying host OS running on the physical machine.

In VMware environments, replication can be implemented using one of two modes for handling I/O changes: snapshots or journaling. Each approach has advantages and disadvantages. The key differences lie in how they manage data consistency, change tracking and recovery.

VMware vCenter is an important component of the VMware vSphere virtual infrastructure, allowing you to use advanced VMware features. The most common approach to installing vCenter is deploying vCenter Server Appliance (VCSA) as a virtual machine on an ESXi host. This blog post explains how to install VMware vCenter as a virtual appliance to get access to enterprise features in your vSphere environment.