Servers are the devices that make up the internet as they are the devices that allow computers and other devices to talk to one another. There are literally millions of servers that make up the internet, ranging in sizes from the huge ones owned by someone like Google, to small domain name server but each one can link to one another to form the global information highway known as the web. It is even a smaller version of a server that allows your computer to tell your printer what it is to print, these are called print servers but work on the same principle. Basically a server is the intermediary; it is the central part of communications on the internet. Your computer will be connected to your local server, the one that allocated you an IP address and that server is then linked to other servers, giving you wider access to the internet.
As mentioned, Google has a huge server as it holds information it receives from a wide ranging source and then distributes it, as requested to an equally large clientele. Other large servers are operated by the e-mail sites like yahoo, although obviously some of the smaller e-mail sites will have smaller servers. Domain names also have their own servers and all of these servers can allow information that they have, to be moved to other servers, making an integrated network of servers.
Many businesses may have their own servers which allow them to connect their varies computers within the company to each other, whilst not necessarily having to go through the internet. When a business does have its own server, although it can have all its computers talk to each other without resorting to the internet, they can of course link the server to the internet if they wish to.
Due to the very large number of diverse servers that are in use, when it comes to buying one, it could be a little confusing to say the least. Therefore it is probably best to look at an hp gen8 review and reviews for several others to see which best suits your needs. Although looking at the reviews of several different servers may assist you in having a better idea as to what you want, you may still be a little confused in which case; talking to the server supplier may be useful. The providers of these servers are well versed in the pros and cons of each of the servers they supply and will have a better idea as to which one will best match you specific needs. You will obviously know the scope of what you require from a server and the supplier should be able to assist you in not spending more on a bigger one than you actually need to fulfil your requirements. Although these suppliers can help you a lot, it is still advisable to read at least some reviews first so that your decision is not totally in the hands of the supplier.