Question

Explain what is Snooping Cache?

Answer 1

Answer:

First introduced in 1983, snooping is a process where the individual caches monitor address lines for accesses to memory locations that they have cached. The write-invalidate protocols and write-update protocols make use of this mechanism.

Answer 2

Explanation:

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Bus snooping or bus sniffing is a scheme by which a coherency controller (snooper) in a cache monitors or snoops the bus transactions, and its goal is to maintain a cache coherency in distributed shared memory systems.