private network
A private network is pretty much a network owned specifically for use for a person or business. I guess you can use a law firm as an example. There are 5 offices and in each office is a computer connected to each other via the company network. The sole purpose of that network is used for looking up clients, cases, and to perform other tasks related to the job. Now more specifically, this network will most likely be a VPN or virtual private network. What makes this a virtual network? This is a VPN because attorneys working at home or on their break on a laptop can access the private network securely through a separate internet connection.
Now there is another side that is related to virtual private network setup. VPN is gaining popularity day by day and so many new players are coming to the market. Problem for starting such a lucrative business may be lack of VPN server know how and expertise to support technical issue. Some websites offers complete peace of mind by offering virtual private network setup and support while you take care of sales and customers. On top of this you do not have to pay any fixed costs for servers per month etc, all you pay is some % of your sales every day and thats it. So this would typically mean there is no fixed cost on you for starting such a lucrative business!
The internet is a collection of networks linked together to form a huge data pool where computers or nodes collect and send data. Information exchange works when a data packet is being sent out of a private network to a public network, after layers of networks, finally reaching the recipient’s private network where data is being read.
An example of a public network could be AT&T. Pretty much, this could be considered more of a WAN than a “public network”. There is the centralized server then there are the multiple location servers. Public networks are used in more demanding areas of communications, power grids, and etc. This eliminates the need to have numerous private networks connected into another private network. When you use your cell phone, the network used is actually public even though you get billed from an unspecified carrier. A pro to using public networks is that they serve for more numerous needs than a simple private network. While a private network may be allocated to a single building, a public network is allocated to a distance of functions and uses. The cons to using a public network are that they are prone to natural disasters, human error, bandwidth allowed, and numerous other things.
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