The idea of switching from broadcast to a directory based essentially is changing from a decentralized system to a centralized system, where all information of different cache are kept in one place. In this way, it avoids the extra communication of broadcast, but create the directory as the bottleneck of the system.
The idea of switching from broadcast to a directory based essentially is changing from a decentralized system to a centralized system, where all information of different cache are kept in one place. In this way, it avoids the extra communication of broadcast, but create the directory as the bottleneck of the system.
This comment was marked helpful 0 times.