I got this screen shot form the paper "A Novel Single Copy Replication Routing Strategy for Delay Tolerant Networks". But I think the Direct Delivery Routing is kind of single-copy replication. Because it only sends a message to its final destination. When the message is delivered, it will be removed from the source node.
I also think that Prophet uses no extra information at all because it simply records the predictabilities for every encountered nodes and exchanges this data among nodes. It requires no network knowledge.
I also think that Prophet uses no extra information at all because it simply records the predictabilities for every encountered nodes and exchanges this data among nodes. It requires no network knowledge.
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