Is VM and VMware same?

A virtual machine (VM) and VMware are related technologies, but they are not the same. Understanding the difference is important for effectively leveraging virtualization.

Is VM and VMware same?

What is a Virtual Machine?

A virtual machine (VM) is a software program that creates a virtualized computing environment, including virtualized hardware like CPU, memory, storage, and networking resources. A VM allows multiple operating systems and applications to run in isolation on a single physical server.

Some key characteristics of VMs:

  • Emulated hardware like virtual CPU, RAM, storage, and network adapters
  • An operating system installed within the VM
  • Applications and services running inside the VM
  • Portability – VMs can easily migrate between physical servers
  • Hardware independence – the VM abstracts the underlying physical hardware
  • Isolation – Issues within one VM do not affect other VMs or the host

Key Takeaway: A VM provides a self-contained virtual computing environment abstracted from the underlying physical hardware.

What is VMware?

VMware is a company that provides industry-leading virtualization software and services. VMware’s offerings include:

  • VMware vSphere: The VMware flagship product for virtual infrastructure. It includes the ESXi bare metal hypervisor that installs directly on server hardware and the vCenter management software.
  • VMware ESXi: A type 1 bare-metal hypervisor that runs directly on the host server hardware to manage resources between virtual machines.
  • VMware Workstation: Developed for desktop usage to run multiple VMs locally for development and testing.
  • VMware Fusion: Enables running VMs locally on MacOS machines.

So in summary, VMware is a software provider focused on virtualization while a VM represents a virtual runtime environment instantiated using solutions like VMware’s offerings.

Virtualization vs VMs

Virtualization is the technology powering VMs where lower-level hardware resources are abstracted across multiple virtual environments. The hypervisor software partitions physical resources to securely allocate computing, storage, and networking for each VM .

So virtualization forms the foundation for creating and managing VMs. VMware develops virtualization software and services that help setup, run, and manage VMs across on-prem and cloud infrastructure.

Key Takeaway: Virtualization separates physical infrastructure to enable virtual machines while VMware provides software to manage VMs.

Advantages of VMs

There are significant benefits to leveraging virtual machines:

  • Isolation – Issues within one VM are contained without impacting other VMs or hosts
  • Security – Increased attack surface isolation and granular policies by VM
  • Hardware independence – VMs are abstracted from underlying infrastructure
  • Portability – Easily move and copy VMs
  • Consolidation – Reduce costs by running more VMs per host
  • Flexibility – Provision, decommission VMs on the fly based on demand
  • Availability – Clustering and availability mechanisms across ESXi hosts
  • Scalability – Scale capacity by dynamically allocating resources to VMs

Key Takeaway: VMs provide better efficiency, automation, resilience, and portability compared to physical servers.

Are VMware and VirtualBox the Same?

VirtualBox is another popular open-source virtualization platform similar to VMware vSphere, ESXi, and Workstation products. However, VMware offers more comprehensive, scalable and performance optimized enterprise-grade tooling.

Some key differences:

  • Performance – VMware products are highly optimized, secure, and resilient
  • Features – VMware provides clustering, availability, backup, storage virtualization, networking, and management features
  • Support & Maintenance – VMware offers enterprise support services and maintenance
  • Ecosystem – VMware integrates across a broad ecosystem from public cloud to hardware vendors
  • Licensing Cost – VirtualBox is free but VMware has associated licensing costs

So in summary, for personal experimenting VirtualBox may suffice but VMware is more appropriate for enterprise usages.

Conclusion

While related in the virtualization domain, virtual machines and VMware serve different purposes. A VM provides a self-contained, isolated guest machine abstracted from physical hosts. In contrast, VMware offers industry specialized software and services tailored toward efficiently monitoring and managing VMs, especially in enterprise environments.
With virtual infrastructure now commonplace from on-prem data centers to public cloud, properly leveraging VMs and solutions like those from VMware are key to unlocking agility, efficiency and scale while also strengthening security and availability across modern technology landscapes.

Frequently Asked Questions:

Q1: Can you run VMware on a virtual machine?
Yes, using nesting capabilities you can run ESXi or other VMware technologies within a guest VM. This is common for testing, development, training purposes. However, for production usage directly installing VMware technology onto dedicated physical servers is recommended for best performance and supportability.

Q2: Is VMware free?
No. Most VMware software and tools have licensing fees attached. Free options like VMware vSphere Hypervisor or VMware Fusion Player have limitations. Enterprises adopting VMware will incur licensing expenses based on number of physical CPUs, CPUs cores per server, and capabilities enabled.

Q3: What’s the difference between VMware and VM?
VMware is a software provider that offers tools to setup, manage, and monitor virtual machines with hypervisor technology and management capabilities. A VM (virtual machine) represents the actual guest operating system and workload that runs on top of the virtualized hardware/infrastructure.

Q4: Is Hyper-V the same as VMware?
No. Hyper-V is Microsoft’s native hypervisor for managing Windows virtual machines while VMware vSphere/ESXi is VMware’s hypervisor technology that runs on RHEL/CentOS and other Linux distributions. Both provide similar virtualization capabilities but VMware vSphere offers deeper features, performance, and ecosystem support.

Q5: Can VMware Workstation host multiple VMs?
Yes. VMware Workstation is designed to run multiple virtual machines locally on a Windows or Linux workstation. Each VM functions as an isolated guest OS with associated virtual hardware allocated from the physical host. This enables testing complex multi-machine configurations on a single PC.

Q6: What is better VirtualBox or VMware?
VMware is generally considered enterprise production-grade software with optimizations and features suited for large-scale VM deployment. VirtualBox is a free, open-source alternative that works well for personal experimenting, learning, smaller scale test/dev usages. VMware has higher performance, scalability, availability, security, and ecosystem integration.

Q7: Can you convert Hyper-V to VMware?
Yes. Third party tools like Starwinds V2V Converter can perform one-time migration of VMs from Hyper-V to VMware virtualized formats. This process converts virtual disks and configuration enabling transition while minimizing downtime. An alternative is heterogeneous replication from Hyper-V to ESXi.

Q8: Is VMware free for personal use?
Yes and No. While full-capabilities of VMware software requires licenses, personal non-commercial usage is permitted including free versions of VMware Workstation, Fusion and vSphere Hypervisor. These allow experimenting and learning VMware products but have deployment limitations. Signing up for a VMware account also provides access to free hands-on labs which are useful for skills development.

Q9: Can I run MacOS on VMware?
Yes. VMware Fusion and Workstation pro support creating a macOS based virtual machine that runs on standard physical PC hardware. The VM runs a legit copy of macOS with associated Apple licensing. This enables leveraging macOS, building/testing iOS applications on non-Apple hardware.

Q10: How is VMware different from Docker?
Docker focuses on containerization techniques that isolate at the operating system process level rather than needing full guest virtualization. Containers share the host kernel while VMs emulate separate guest kernels. Typically containers have faster launch times and lower overhead than VMs but have less isolation. Many modern infrastructures leverage both VMs and Containers together.

Q11: What’s the difference between VMware vSphere and ESXi?
VMware vSphere is an umbrella branding for VMware’s server virtualization capabilities comprising ESXi hypervisor, vCenter management software, associated data center tools. ESXi is the bare-metal hypervisor that installs directly onto physical server hardware to then host multiple VMs sharing resources. vCenter manages multiple ESXi host infrastructure.

Q12: Is VMware owned by Dell?
Dell owns a majority stake in VMware, which operates as an independent subsidiary following Dell’s acquisition of EMC. However, Dell maintains an arm’s length relationship allowing VMware to engage across the broader ecosystem. Michael Dell originally launched VMware in 1998 before becoming part of EMC in 2004.

Q13: How does VMware networking work?
VMware software defined networking (SDN) provides ability to virtualize network functions into overlays like NSX-T. This enables network configurations per VM including micro-segmentation for security and multi-tenancy. Direct integration from VMware to physical network infrastructure components enables visibility, monitoring and security policy coordination.

Q14: Can Apple silicon run VMware?
Yes. VMware Fusion versions released in late 2022 officially introduced support for new Apple M-series Silicon Mac devices. Fusion also supports Windows Arm virtual machines. This enables leveraging VMware capabilities natively on MacBook Pro, Mac Mini and other Mac computers based on Apple’s Arm architecture chips.

Q15: Is VMware a hypervisor?
Yes and No. VMware provides hypervisors like ESXi and vSphere which run directly on physical server hardware to host VMs. VMware also offers management capabilities like vCenter Server that control the infrastructure without directly having hypervisors. Overall VMware enables complete virtual infrastructure software stacks, with hypervisor components being foundational elements.

Q16: How is VMware different from AWS?
VMware provides software to deploy on-premises virtual infrastructure while AWS from Amazon offers cloud-based infrastructure services. However, VMware also delivers numerous cloud capabilities through partnerships with AWS enabling hybrid configurations spanning both on-prem VMs and AWS public cloud VMs.

Q17: Does VMware Workstation slow down host performance?|
Running multiple VMs using Workstation/Fusion leads to contention for the underlying physical resources which affects host performance. However VMware intelligently leverages and deduplicates host resources to maximize overall efficiency. Ensuring adequate hardware specs and properly sizing each VM helps minimize performance impact.

Q18: Can I download VMware software for free?
Yes. VMware provides free downloads of certain products like Workstation Player, Fusion Player and the vSphere Hypervisor. These allow you to run and connect to VMs without infrastructure management capabilities. Signing up for a free VMware account also enables accessing trial versions across other VMware offerings.

Q19: What are the system requirements to install VMware Workstation?
The latest VMware Workstation specification requires modern 64-bit x86 Intel or AMD hardware CPU with 4 cores, 8GB RAM minimum (16GB recommended), SSD storage, dedicated GPU, 60GB disk space for installation and VM storage. Detailed system compatibility guidance is listed on VMware’s documentation.

Q20: Can I run VMware on Windows 10 for personal use?
Yes. VMware Workstation and VMware Workstation Player are officially compatible with Windows 10. This allows you to install multiple guest VMs locally on your Windows 10 Pro PC for experimenting and testing purposes. As long as used for non-commercial purposes, personal usage of VMware does not require any license purchase.

 

Leave a Comment