Centralised network vs decentralised network - Which is better?

Earlier in the 90's, there were not many options available to build a network and communicate more frequently and easily. But in today's era, there are a number of choices to choose from which allows the users to build a network and meet their needs and requirements. But one most important consideration is whether the user wants to use a centralised or a decentralised network. 

Difference between centralised and a decentralised network - so that one can make a better choice 

The first and the foremost difference between centralised and decentralised network comes with the question of who dominates the overall network itself. 

As in centralised system - only one authority or administrator holds total control over the network. However, in this system the administrator allows and manages all the data and grants time to time permission as well. 

Whereas decentralised networks are designed in such a manner so that it can be distributed. Each of the nodes in this decentralised network has a separate and independent decision making power (how it connects and interacts with other systems). This network also spreads processing power and function to the other connected servers as well. 

How does a decentralised network work ? 

With the processing power of user devices started to distribute throughout the network, the decentralised network has become more useful and safe to rely on. While this network can hold different degrees of system, which gives the advantage of using multiple independent networks that connect and provide a pool of resources. Because each node which is within the network can work independently that allows it to easily take control over, set their own rules, regarding the data and workload criterias. Next advantage of having a decentralized network is system reliability. As one node gets hacked or goes down then the other ones will remain at work with their own security control and codes. 

In a nutshell, users' needs are the most important factor while making a choice between a centralised and decentralised network. If the user wants to hold the control to the overall system then they should opt for centralised where as decentralised works perfectly ( if the user is ready to implement it and maintain then they can surely take advantage of this system in terms of redundancy and security. 

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