VMware ESX and VMware ESXi provide the foundation for building a reliable and dynamic IT infrastructure. These market leading, production-proven hypervisors abstract processor, memory, storage and networking resources into multiple virtual machines that each can run an unmodified operating system and applications. VMware ESX and ESXi are the most widely deployed hypervisors, delivering the highest levels of reliability and performance to companies of all sizes.
VMware ESXi is the latest hypervisor architecture from VMware. It has an ultra-thin architecture with no reliance on a general purpose OS, yet still offers all the same functionality and performance of VMware ESX. VMware ESXi sets a new bar for security and reliability because its smaller code base represents a smaller "attack surface" with less code to patch. This small footprint and hardware-like reliability also enable VMware ESXi to be built directly into industry standard x86 servers from leading server manufacturers such as Dell, IBM, HP, and Fujitsu-Siemens. VMware ESXi was designed with simplicity in mind. Its menu-driven startup and automatic configurations make it the easiest way to get started with VMware virtualization.
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VMware vCenter Server provides a scalable and extensible platform that forms the foundation for virtualization management. VMware vCenter Server, formerly VMware VirtualCenter, centrally manages VMware vSphere environments allowing IT administrators dramatically improved control over the virtual environment compared to other management platforms.
VMware vCenter Server is the simplest, most efficient way to manage VMware vSphere, whether you have ten virtual machines or tens of thousands of virtual machines. It provides unified management of all the hosts and virtual machines in your datacenter from a single console with an aggregate performance monitoring of clusters, hosts and VMs. VMware vCenter Server gives administrators deep insight into the status and configuration of clusters, hosts, virtual machines, storage, the guest OS and other critical components of a virtual infrastructure, all from one place.
With VMware vCenter Server, virtualization environments are easier to manage: a single administrator can manage 100 or more workloads, more than doubling typical productivity in managing physical infrastructure. To access vCenter Server, administrators can use the vSphere Client on any Windows PC, or they can use the vSphere Web Client remotely from any Web browser.
Note: vCenter Server was formerly known as VirtualCenter Server.
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