Afile server can be either stateful or stateless.What are the advantages and disadvantages of each implementation?
What will be an ideal response?
If the server is stateful, it keeps state information of the client requests, such as the file
name, a pointer to the file and the current position in the file. This makes subsequent access
to the file easier and faster. However, fault tolerance is not easy to implement. When the
server crashes, the clients need to rebuild their states on the server before retrying. In a stateless
system, the client must specify which file to access in each request. Fault tolerance is easier
to implement in stateless systems, but stateful systems can reduce the size of request
messages and hence have better performance.
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