What are the benefits of distributed systems?
What will be an ideal response?
Distributed systems provide high performance, scalability, connectivity, reliability and
fault tolerance. In a distributed system, user requests can be sent to different servers to
increase performance. Scalability is a key advantage of distributed systems over centralized
systems. Scalability allows the distributed system to grow (i.e., add more machines) without
affecting the existing applications and users. A distributed system can provide seamless
access to distributed resources. If the resource is a processor, the distributed system should
allow tasks to be executed on any machine. If the resource is a globally shared file system,
then remote users should be able to access the file system as they would access a local, private
file system. When performing tasks on a single computer, a failure of one or more
resources may affect other processes on the machine. To avoid such problems, distributed
systems provide fault tolerance by replicating resources on machines throughout the system.
Distributed systems may provide replication of resources across the system so that the failure
of any one computer will not affect the availability of the system’s resources. Replication
offers users increased reliability and availability over single-machine implementations.
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What is the purpose of a file system?
What will be an ideal response?