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The importance of having a server in optimal conditions is not negligible, especially if we consider the competitive environment we live today on the internet and in electronic commerce. Having a good server today, means having a muscle available to the company, which among other things can play an important role in the speed at which users access the databases of the company, saving our time employees and resources to the organization, it can also be an important factor when positioning the company in the main positions of the search engines and with it, increase the number of customers and dissemination of our brand, among other aspects.
This is why in today's world, knowing what a server is, and its typologies becomes important and necessary. From Dharma Web Studio, we frequently find among our clients the doubts about what a server is and the differences between the types of hosting solutions we offer in our services. That is why we have decided to publish this article, where we try our best to define this in a simple way.
The reader must assume that this classification may change in the not too distant future, and also that some professionals may not agree, or consider some of our statements inappropriate, so that the comments section is open for those who wish to contribute with Your observations or criticisms.
The easiest way to define a server is to say that it is a computer that, regardless of redundancy, "serves" information and content according to the requests it receives from other computers that are connected through a network. We note that in this notion we assume a broad definition in which we refer to a server in its conception of hardware and software; as well as the possibility of a computer acting as a server through a network other than the internet.
The following classification is the product of an analysis of the types of servers that are usually offered by web hosting companies with the largest market share worldwide. In this way it corresponds to what any user will find in the market when looking for accommodation for their website.
Shared servers are machines whose main feature is that the use of their resources is not made exclusively by a client, but by all accounts hosted on the server, hence the name "shared." The use and performance of the server is shared, so the cost is reduced. The disadvantage of hiring this type of server is that obviously the resources that your application may need, may be used by other applications at any given time, and the overall performance of the server will decrease considerably. In addition to this, a shared server may present a greater number of security vulnerabilities, while each application may contain different security breaches, and these could even constitute a potential security breach between the different accounts and hosted applications.
Dedicated servers are machines that are offered to customers under an exclusive rental agreement. Each client can enjoy the performance of their server, which is usually hosted in a data center, without being affected by the consumption of resources from outside customers. Its main advantage, compared to shared servers, is obviously the exclusivity of resources. On the other hand, these servers tend to have higher costs and require periodic maintenance of the software they use.
Private virtual servers or VPS are partitions within a single server that operate independently and may have limited resources depending on the total characteristics of the machine. They allow the client to exclusively enjoy the assigned resources, and obtain power and performance without having to share it or depend on the use of other customers.
A Cloud VPS server is characterized by being a virtual machine, it is a virtualized operating system that runs, in some way, in a farm of servers, which share resources such as CPU, RAM, memory disks and bandwidth, where all They feed everyone at the hardware level.
The concept of Cloud emerges as fail-safe servers, that is, they were ideally thought of as solutions to hardware failures, unlike a conventional VPS server. Cloud servers have a redundant infrastructure that allows them to stay online in almost any type of scenario.