Whenever you think about establishing an online business the first thing that comes to your mind is the shared website hosting plan, afterwards you soon or after a while outgrows resources.. With this upgrade you need to make an important decision, whether you want a VPS server or a dedicated server. When it comes to VPS servers a good VPS server is bound to provide you with the top of the line services without any supplementary cost. For the past one decade virtualization technology has gained a lot of popularity. Moving further there is another very important question, what is the virtualization technology your server is providing? Is it the best? If you don’t know which one is the best than we will help you choose with the help of this article. Let’s see which one stands out between KVM, XEN, VMware and OpenVZ, this is a very big debate almost as big as the Apple versus Android debate.
The virtualization software technology is a technology that allows multiple applications and operating systems on one server simultaneously. This allows the server to multi task. It is the technology that has revolutionized the IT industry and changed the industry by transforming its landscape and given the people a new way to utilize the technology. This virtualization technology has many benefits as it increases IT agility, scalability and flexibility thereby increases cost effectiveness. This makes work distribution and work load easier and faster. This makes the system run very efficiently and increases performance and availability as well as ease and automation of operations. In short this software technology has simplified and made IT life cost effective and easy to operate. In this article we will be talking about different virtualizations like OpenVZ, KVM, Xen and VMWare. Here we will explain to you which one is the best amongst these and which one our company uses.
KVM is the one virtualization that offers hardware virtualization in its best and truest form. KVM hardware virtualization allows equal distribution of available resources. It offers a cost effective, flexible and future proof alternative for dedicated and steadfast servers. KVM offers the kernel modification feature through which you can modify your own kernel instead of being stuck with the company’s allocated one. It uses SeaBIOS, as an implantation of 16-bit x86 BIOS. KVM provides the best service option for the resource hungry websites. These are the websites that require VPS that is the Virtual Private Server. To explain this further we will quote an example of a server that operates with 8 CPU Cores and 16 GB RAM can only offer 8 KVM based VPN accounts with just 1 CPU and 2 GB RAM. This shows how efficient KVM hardware virtualization is.
KVM is the lowest costing virtualization technology, almost 60-90% lower in cost than others. The performance and scalability is on mark and very consistent. KVM offers a very high level of security and has been awarded for meeting the common security standards of government. As mentioned earlier you can customize KVM according to your own needs. When you use KVM you can completely trust the VPS Company to provide you a concrete hardware with no provision for overselling a server’s resources. The loyalty and services of KVM are better and different than its competitors therefore few web hosts offer KVM. With so much security, efficiency and flexibility KVM is undoubtedly the best choice for anyone looking for a virtualization technology. This is the main reason why most VPS servers are providing OpenVZ and XEN whereas our company provides KVM to its clients.
XEN is the leading open source hypervisor. It provides virtualization that is compatible with many systems fully. Just like KVM, XEN has a benefit that it cannot be oversold and supports a large range of operating systems. It works on machines not offering virtualization extensions. There is a big problem with XEN is that the system overhead to cater and run XEN is high and it results in decreased resources for the VPS account by default. The only benefit it has over KVM is the open source software running. Due to these inherent disadvantages XEN is placed among the three least efficient main technologies.
OpenVZ comes under the low cost VPS server segment; it is not a complete virtualization. Talking about its positive aspects first, the OpenVZ offers low overhead, efficient resource utilization and memory savings but the negative aspect is that it allows overselling. This is considered as OpenVZ’s biggest disadvantage. This is because due to the overselling feature when you are in dire need of a service and resources it may or may not be present for you. There are no Kernel Modifications on OpenVZ like in KVM therefore you’ll have to compromise and deal with the kernel it offers. According to a client’s point to view OpenVZ may not offer benefits over a shared web hosting account therefore it is of no importance to the client.
The VMware claims to be the first commercially successful virtualization software to virtualize x86 architecture. The VMware is known for its hypervisors. The VMware’s technology is very good but there is a downside to them, they are overpriced. Another problem with VMware is that they have an issue regarding hardware compatibility. They have a Hardware compatibility list and you have to first check if your hardware is compatible with your device.
Keeping in view all of the pros and cons of the virtualization technologies for example, OpenVZ has no value over a web hosting service, XEN has low efficiency and VMware has compatibility and cost issues. So we come to the conclusion that KVM is the most reliable and the best and most efficient service provider that cater your hardware, it is not over priced and is highly compatible. Your VPS server will therefore be using the KVM to provide you value for your money. When you trust us with our service we are adamant on providing you something that is the best on the shelf.
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