Question: What extra complexities may arise if the messages can be adaptively rerouted on the links? For example, a coherency message from core M1 directory controller

What extra complexities may arise if the messages can be adaptively rerouted on the links? For example, a coherency message from core M1 directory controller to C2 (expressed in binary as M001 -->C010)will be routed either through the inter-node path C001-->C000-->C010 or the inter-node path C001-->C011-- > C010, depending on link availability

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Adaptive routing where messages are not sent along a fixed path but are instead rerouted according to current network conditions can offer advantages ... View full answer

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