The abbreviation VPS stands for the English term “Virtual Private Server”. VPS are often also called “Virtual Dedicated Server” which means exactly the same.
The Virtual Private Server is defined as a virtual web server based on a physical server. The powerful physical server is divided into several Virtual Private Servers. Each VPS on this device receives its own IP address, but shares the RAM, processor power and memory space with the other VPSs.
Hypervisor and VPS Hosting Management
The hypervisor manages the various virtual private servers on the physical resource. It is software that can divide the device into different virtual private servers. The hypervisor controls the hardware resource (memory capacity, RAM, CPU) accordingly and makes it available to the individual administrators.
The admin is guaranteed a certain performance, which is however usually only the minimum performance. The hypervisor has the possibility to scale the unused performance of other virtual private servers on the system and thus increase it if necessary.
Full VPS Root Access For Administrators
The different virtual servers on the same hardware resource can be equipped with different operating systems, such as Windows or Linux. Administrators have full root access to their VPS and can individually install the system they need for their applications.
This so-called encapsulation in virtual server hosting allows strict separation of foreign VPSs on the same hardware system.
Distinction From Cloud Hosting
Cloud hosting works very similarly from a technical point of view. However, there is a serious difference. While the costs for a Virtual Private Server are fixed, the costs for Cloud Hosting are only calculated according to the actual use.
With cloud hosting, different items are charged individually, but this is not necessarily always cheaper. Usage-based operating costs can even quickly become more expensive than on-premise with a dedicated server.
Advantages of the Virtual Private Server
VPS are located exactly between Shared Hosting and Dedicated Server. They therefore offer a possible intermediate route with the following advantages:
- Hardware problems rarely lead to longer downtimes because the VPS can be quickly restarted on other hardware.
- Usually cheaper than a complete dedicated server
- Flexibility in performance upgrades
- Similarly good performance as with a dedicated web server
Disadvantages Of Virtual Private Web Servers
The disadvantages are different from the dedicated server and are as follows:
- Limited resources in CPU, RAM and memory capacity compared to a dedicated server
- Usually there are more VPS in a host system than can be controlled via network and LAN.
- In contrast to shared hosting, administration is more extensive.
Who Should Use Managed Virtual Private Servers?
A VPS is probably the right choice for anyone running a strong user community, a company website with many subpages or a medium-sized e-commerce business.
The decision for such a system presupposes good knowledge for the administration. In small companies the effort is too high or the knowledge is not available. Managed services are a real help here and can be booked in various categories.
The installation and maintenance of a Managed Server is always done by the webhoster. Make sure that the Managed Service is always provided by “people”, there are providers who already want to sell an administration and configuration interface as Managed Hosting.