What is VMware ESXi?ĮSXi is a Type-1 Hypervisor which means it’s a piece of software that runs directly on a bare-metal server without the requirement of an operating system. You can use some vSphere components without a vCenter Server but some features will not be available. VCenter Server is the management software or if you prefer, tool, to help manage your vSphere Components and all their features. So, in summary, the difference between vSphere and vCenter is that vSphere consists of a suite of VMware components with vCenter Server being one of those. You log in to vCenter Server via an HTML5 browser (formally a Flash client) which looks like this:įrom here, we can manage all vSphere related components (and their corresponding features) which include: Earlier versions of vCenter (also known as vCenter Server) ran exclusively on Windows Server (shown in the previous diagram) whereas now VMware now offers the vCenter Server Appliance ( vCSA) which runs on either SUSE Linux Enterprise Server 64-bit ( vCSA v6.0) or VMware’s proprietary Photon OS ( vCSA v6.5 and above). VCenter is a management tool that helps manage multiple ESXi / vSphere Hypervisors within the datacentre. You will notice that this vSphere feature table contains many different technologies which are found in different VMware software components. Here is an overview of some features for the main vSphere editions: vCenter Server is available on all vSphere editions. Looking at the vSphere suite, the components and features that vSphere includes depend on your licenses. vCenter runs on a Windows Server VM and provides the management and control plane of the entire VMware environment. vCenter is the name of one of the components under the vSphere suite. You can think of it as a platform name which includes lots of different components. vSphere is VMware’s name for a suite of Infrastructure products. Unfortunately, getting the product name wrong can result in various costly consequences including purchasing the wrong product or an older version with differentiating feature sets.Ĭontrary to popular belief, vSphere and vCenter are actually different products: Even the largest technology vendors change their product names from time to time. It’s sometimes difficult to keep up to date with the latest names of software.
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