VMware vSphere

VMware vSphere
Name	VMware vSphere
Developer	VMware
Released	01 June 2009
Latest release version	8.0 Update 2
Latest release date	24 October 2023
Operating system	Linux-based (VMware ESXi)
Genre	Hypervisor, Cloud computing
License	Proprietary

VMware vSphere. It is a comprehensive server virtualization platform developed by VMware, a subsidiary of Dell Technologies. The suite enables the creation and management of virtualized data center infrastructure, forming a foundational layer for private cloud and hybrid cloud environments. It is widely adopted across industries for consolidating servers, improving business continuity, and optimizing IT infrastructure.

Overview

The platform is built around a core hypervisor, VMware ESXi, which abstracts processor, memory, storage, and networking resources into multiple virtual machines. It integrates with management tools like the vCenter Server to provide centralized control over large deployments. This architecture allows organizations to run applications on Linux, Microsoft Windows, and other operating systems within isolated virtual environments. Major competitors in the virtualization market include Microsoft Hyper-V and open-source solutions like KVM.

Architecture

The architecture is fundamentally client-server, with the vCenter Server acting as a centralized management point for one or more VMware ESXi hosts. These hosts are organized into logical clusters managed by the vSphere Distributed Resource Scheduler. Core services like the vSphere High Availability and vSphere vMotion rely on shared storage, typically from vendors like Dell EMC, NetApp, or Hewlett Packard Enterprise. Networking is virtualized through components like the vSphere Distributed Switch, which integrates with physical switches from Cisco Systems and Juniper Networks.

Components

Key components include the bare-metal hypervisor, VMware ESXi, which is installed directly on server hardware from vendors like HPE ProLiant or Dell PowerEdge. The vCenter Server provides a unified management interface and is required for advanced features. The vSphere Client, a HTML5-based web application, is the primary administrative console. Other critical elements are the vSphere Storage vMotion for live storage migration and the vSphere Trust Authority for security management. These components interoperate with products like VMware NSX and VMware vSAN.

Features

Notable features include vSphere vMotion, which enables the live migration of running virtual machines between physical hosts with no downtime. vSphere High Availability automatically restarts virtual machines on other hosts in the event of a hardware failure. For resource optimization, the vSphere Distributed Resource Scheduler balances computing capacity across a cluster. Security is enhanced through features like vSphere Trusted Platform Module support and integration with VMware Carbon Black. The platform also supports modern application frameworks through integration with Kubernetes via VMware Tanzu.

Editions and licensing

It is offered in several commercial editions, including Standard, Enterprise Plus, and the foundational vSphere Foundation. Licensing is typically per processor core, with additional licenses required for the vCenter Server. Specialized editions, such as those for remote office deployments or integrated with VMware Cloud Foundation, are also available. The free VMware vSphere Hypervisor edition offers basic functionality but lacks centralized management and advanced features. Licensing and packaging have evolved significantly since the initial release, influenced by competition from Amazon Web Services and Microsoft Azure.

History

The product line originated from earlier VMware offerings like VMware ESX and VMware VirtualCenter. The vSphere brand was formally launched in 2009, unifying these products into a single suite. Major releases have introduced significant capabilities; for instance, version 5.0 brought the vSphere Storage DRS, and version 6.0 introduced long-distance vSphere vMotion. The 7.0 release in 2020 integrated Kubernetes orchestration, and the subsequent 8.0 version further enhanced hybrid cloud capabilities with deeper integration into VMware Cloud on AWS. Its development has been shaped by the broader industry shift towards software-defined data center and cloud-native applications.

Category:VMware software Category:Cloud computing Category:Virtualization software