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What is server virtualization and what are its benefits?Server virtualization is a process that allows businesses to create multiple virtual servers (VMs) on a single physical server using specialized software called a hypervisor. With its implementation, businesses can achieve significant improvements: up to 80% reduction in total cost of ownership (TCO), up to 70% boost in operational efficiency, and up to 90% improvement in application uptime.
There are three primary types of server virtualization: full virtualization (using products like VMware vSphere and Microsoft Hyper-V), paravirtualization (API-based resource sharing), and OS-level virtualization (container-based approaches).
Server virtualization is essential for cloud computing and supports cloud providers like AWS, Azure, and Google Cloud in delivering scalable IaaS, PaaS, and SaaS services. Key server virtualization benefits include reduced hardware dependency, optimized disaster recovery, improved resource utilization, better storage management, and enhanced business continuity. Implementation timelines vary based on the complexity of the business infrastructure.
ArticlesThe IT landscape is rapidly evolving, and businesses still operating on legacy hardware are facing numerous challenges. These outdated systems, once powering core operations, are now draining resources at an alarming rate. Did you know? Nearly 65% of businesses still rely on outdated legacy systems. This results in rising maintenance costs, security risks, and downtime.
Businesses lose millions annually due to hardware failures and data loss. The IBM Cost of a Data Breach Report has shown the average cost of a data breach is around $4.4–4.9 million globally. While there are statistics that have reported that the average cost of downtime due to hardware failure can reach $5,600 to $9,000 per minute, quickly adding up to millions annually for many organizations. The organizations who want to modernize their infrastructure are moving towards server virtualization. Here is a comprehensive guide that explains what server virtualization is. You will also explore server virtualization benefits, its workings, and real-world use cases to help you modernize your infrastructure while enhancing operational agility and cost-effectiveness.
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Server virtualization allows businesses to split their servers into separate, isolated servers via software. This methodology creates virtual servers on a single physical server with multiple operating systems. This way, legacy applications can seamlessly run on new server hardware while boosting performance.
In the early 2000s, with VMware at the forefront, server virtualization software gained traction in enterprises. Previously, it was integrated into Windows operating systems to run LINUX OS side by side. The advantage of having two different OS running on the same hardware was a novelty. Since then, its integration has offered businesses several benefits.
Server virtualization solutions transforms the traditional concept of physical servers used in data centers. Physical servers are hardware devices comprising specific computing, storage, memory, and network components. Virtualization abstracts these resources with specialized software known as the hypervisor. A hypervisor is a layer of software that sits between physical hardware and virtual machines. It then allocates resources dynamically, creating isolated VMs that operate independently.
These hypervisors act as an intermediary in managing the placement of physical resources in VMs. It creates aliases for memory, storage, processors, and network interfaces in the virtual machine and isolates it from the physical server to work independently. This virtual machine can now work with its own virtual resources, operating systems, applications, and software independent of the physical infrastructure.
This concept enables businesses to optimize their servers by running multiple applications across a cluster of servers regardless of the physical hardware limitations. This methodology results in a more flexible, efficient, and reliable IT environment that efficiently maximizes the usage of processors and enhances workloads’ overall performance.
Industry Insight: Based on the Forrester Total Economic Impact study, industries who are implementing modern server virtualization and hybrid infrastructure solutions have reported an average ROI of 304% within three years of deployment.
Here are all the components used:
Virtualization’s primary objective is to enhance the efficiency of physical servers by creating a partition and flexibly allocating resources. However, the method of virtualization implementation varies depending on the requirements of the businesses.
In full server virtualization, the hypervisor creates and manages completely autonomous virtual machines that do not require any further modification to work for different operating systems. This process can be carried out with the software-assistance approach, but the hardware-assistance full virtualization approach has also become popular since AMD and Intel created a new x86 CPU expansion in the 2000s. Some popular virtualized products are Oracle VM VirtualBox, Microsoft Hyper-V, and VMWare vSphere.
In paravirtualization, APIs (application programming interfaces) are used to send hypercalls between the operating system and the hypervisor. This means each VM can easily communicate with one another and share its resources. Paravirtualization, or PV, can also run on systems that do not have hardware-assisted virtualization support. Several products that have enabled full virtualization also enable paravirtualization.
OS-level virtualization is performed with any hypervisor, as the physical server’s operating system has the virtualization ability to act like a hypervisor to create containers or multiple-user ecosystems. One such widely used OS-level virtualization product is Oracle Solaris. Here is one industry example is of Netflix. It powers its global platform with thousands of containerized microservices on AWS and has achieved 99.99% uptime while serving more than 300 million subscribers.
It is nearly impossible to create a cloud computing environment without virtualization. It is a core element of a cloud platform that powers nearly all cloud computing platforms and without virtualization, modern cloud services would not be possible.
Moreover, virtualization is essential for cloud computing, where the cloud service providers operate the workloads in a cloud environment. This environment utilizes consolidation, abstraction, and shared distribution of resources across the network infrastructure. Cloud platforms like IBM Cloud, AWS, Google Cloud Platform, Microsoft Azure Cloud, and Oracle Cloud offer self-service access, dynamic resource pools, and infrastructure scaling.
Cloud service providers utilize server virtualization solutions to effectively manage large data centers with several physical servers. They do not provide direct access to the hardware but offer virtualized server instances of different sizes and configurations depending upon the business requirements. This approach allows them to offer a wide range of services like Software-as-a-Service (SaaS), Platform-as-a-Service (PaaS), and Infrastructure-as-a-Service (IaaS).
In the Infrastructure-as-a-Service (IaaS) module, businesses can rent VMs, networking resources, and storage. At the same time, Platform-as-a-Service (PaaS) enables businesses to develop, deploy, and manage applications efficiently. Businesses get access to cloud-hosted software applications in the Software-as-a-Service (SaaS) module.
Many cloud providers also offer combinations of these services. With the option of server virtualization solutions, cloud service providers get the advantage of scalability, flexibility, and resource management. This technology enables them to optimize their hardware infrastructure and software resources effectively, which results in cost-effective service offerings for businesses. This ability to efficiently allocate resources and create virtual ecosystems allows cloud providers to manage the requirements of diverse customers while maintaining operation efficiency.
Virtual servers are not a new technology. They became popular in the early 2000s and have been evolving since then. Here are some points that will help you understand server virtualization benefits:
Here are some points that will help you understand server virtualization benefits and their importance to businesses:
Server Virtualization saves money because there is no need to track down technicians who can work with and repair outdated server systems, which they often do at a high cost. However, via resource optimization, virtualization also helps you save time, money, and energy.
In basic terms, instead of having an outdated system that lacks capacity, server virtualization allows you to switch to a much more robust system that generally has more capacity. And you can put that extra capacity to good use in ways such as:
When your system is working efficiently and effectively in these ways, crashes, data loss, wasted time, and frustration quickly become things of the past.
Statistics reveal a compelling case for server virtualization. Studies show that businesses leveraging virtualization solutions experience up to 80% reduction in total cost of ownership (TCO) and a 70% increase in operational efficiency. Furthermore, virtualized environments boast an impressive 90% improvement in application uptime, ensuring uninterrupted service delivery and customer satisfaction.
Cloud virtualization can also allow a business to stop relying on on-premises hardware and even eliminate it if desired. And, when hardware goes away, so do its high costs and the cost of maintaining, running, and housing it and its infrastructure. Moreover, virtualized environments boast a 60% decrease in energy consumption, contributing to sustainability efforts. It is another way virtualization makes sense for modern businesses; for some, it can be the solution that allows them to continue operating and dramatically reduces overhead costs.
One significant upside of virtualized servers is data transfer from one server to another. Furthermore, it gives businesses the advantage of integrating a robust disaster recovery plan. Virtualization of servers allows enterprises to develop replication sites without any complications. There is also an option for testing disaster recovery backup systems on virtual servers.
Virtual servers boost businesses’ productivity by allowing them to operate seamlessly without any disruptions. They eliminate downtime issues, ensure the data is always accessible, and offer live migration of information from one server to another without terminating any server activity, thus elevating business continuity.
The virtualized server offers better storage capacity management and ensures all the applications are easy to process and run relatively faster than the old and traditional storage systems. As the admins can adjust storage allocations, the efficiency of the storage can be guaranteed. Also, server virtualization solutions provide centralized management, which means the operations can be observed and modified accordingly. Thus, removing multiple-point management and saving time.
Do you have an aging on-premises data center? Are your maintenance costs skyrocketing, but you do not wish to re-engineer your mission-critical legacy applications? Then, Stromasys’ cross-platform virtualization solutions may be the ideal option for you.
Our Cross-Platform Server Virtualization options enable businesses to extend the lifespan of their mission-critical applications without the constraints of obsolete hardware or software dependencies.
To learn more about how we can empower your business and bring it into the present and beyond.
Server virtualization software is now powering the cloud ecosystem to drive innovations across all industry sectors. This technology enhances performance, scalability, and security and is cost-effective. Server virtualization enables businesses to preserve their critical legacy applications while modernizing their infrastructure. From streamlining app development to facilitating business intelligence and ensuring compliance, server virtualization software offers a comprehensive solution for transforming business infrastructure. However, server virtualization is not one-size-fits-all, and businesses can choose from different options depending on their requirements and constraints.
Server virtualization creates multiple virtual servers on a single piece of hardware. This methodology uses hypervisor software to divide one physical server into several isolated virtual servers that can run independently.
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