Talk:MESI protocol

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[edit] State transitions

• BusUpgrd - half of busRdX: throw away your copy.
• BusRdX - asks for a copy with intent to modify: 1. give me data 2. throw away your copy.
• BusRd - asks for copy with no intent to modify.
• Flush - writes to memory.
• BusWB - updates memory (synonym for Flush).

[edit] Diagram

A state diagram would be very valuable here.