C.2 Cache-Coherence Protocols
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C.2 Cache-Coherence Protocols

Cache-coherency protocols manage cache-line states so as to prevent inconsistent or lost data. These protocols can be quite complex, with many tens of states,C.2but for our purposes we need only concern ourselves with the four-state MESI cache-coherence protocol.

Subsections

- C.2.1 MESI States
- C.2.2 MESI Protocol Messages
- C.2.3 MESI State Diagram
- C.2.4 MESI Protocol Example