Final answer:
Load sharing refers to the distribution of workloads across multiple processors to enhance performance and reliability.
It's a crucial concept in multiprocessing systems but is complex, making it less commonly used due to challenges in balancing, synchronization, and communication overhead.
Step-by-step explanation:
The statement 'Because of the potential disadvantages, load sharing is not one of the commonly used schemes in current multiprocessors.' refers to the strategy of distributing workloads across multiple processing units within a computer system.
Load sharing aims to improve system performance and reliability by ensuring that no single processor becomes a bottleneck. However, it is not universally applied due to challenges such as the complexity of the algorithm required for implementing an effective load balancing strategy, potential synchronization issues, and the overhead of communication between processors.
In current multiprocessing systems, load sharing remains an important concept, though it can be complicated by the factors mentioned. Certain approaches, such as dynamic load balancing where the distribution of tasks can change in response to the systems' current state, are used more frequently.
Meanwhile, other specific schemes for load distribution may not be in use owing to these potential disadvantages.