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The advantages to this model are that all the resources are stored on that one physical server, reducing the tasks required to keep it running, and it makes troubleshooting easier when there's a problem.The main disadvantage is if the server is knocked offline for whatever reason, then no one will be able to use its resources, causing a single point of failure.
If not, the server will close the connection in order to free up network traffic.
Can you imagine a server standing next to a customer who just stares at the menu without ordering anything?
You may have been using this configuration and not even have known it.
Have you ever played Xbox Live or used the Play Station Network?
They would most likely lose millions of dollars in revenue until that server came back up or was replaced. Another disadvantage is that if a hacker compromises the server, he basically has the 'keys to the kingdom' because all the resources are located on it.
If he is able to own the server, he has the ability to do anything he wants, such as steal information and disrupt services.In this lesson, we learned that the client-server model is very efficient for ease of management.In this setup, a client such as a laptop, desktop, or smartphone connects to the network and contacts the server for resources.Your Xbox One is the client, and when it logs into the network, it contacts the Xbox Live servers to retrieve gaming resources like updates, video, and game demos. He is waiting for the server to come by and take his order.The same rules apply in a client-server network; the client, which can be a laptop, desktop, a smartphone, or pretty much any computerized device, can make a request from the server.The major drawback to the client-server model is that since all the resources are located on one server, this creates a single point of failure (SPF).An SPF means that if anything should happen to the server - such as a fried computer chip, a crashed hard drive that is not recoverable, or a major power outage that destroys the motherboard - then all the resources that were once hosted on that server will no longer be available.It makes a request from the server and uses the network as a means of communication.In return, the server completes the client's request with the resources that it fetched.This is especially good for server administrators, because they only have to be in one place and can solve all the problems in one place, as well.Having to manually update several hundred servers would take much more time.