MSI protocol, the basic protocol from which the MESI protocol is derived.
The MOSI protocol is an extension of the basic MSI cache coherency protocol.
The MOSI protocol adds an "Owned" state to reduce the traffic caused by write-backs of blocks that are read by other caches.
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The MESI protocol adds an "Exclusive" state to reduce the traffic caused by writes of blocks that only exist in one cache.
Transmission Control Protocol | File Transfer Protocol | Session Initiation Protocol | User Datagram Protocol | BitTorrent (protocol) | Kyoto Protocol | Internet Protocol | Post Office Protocol | Program and System Information Protocol | Simple Network Management Protocol | Internet Message Access Protocol | Network File System (protocol) | Hypertext Transfer Protocol | Lightweight Directory Access Protocol | Secure Real-time Transport Protocol | Real-time Transport Protocol | Simple Mail Transfer Protocol | Montreal Protocol | Communications protocol | Wireless Application Protocol | SSH File Transfer Protocol | MSI | Remote Desktop Protocol | Point-to-Point Protocol | Internet protocol | Dynamic Host Configuration Protocol | tunneling protocol | Trivial File Transfer Protocol | Real Time Streaming Protocol | Proprietary protocol |