# Alice and Bob: remote log data sync
msc {
  hscale="2", wordwraparcs=on;

  alice [label="Alice"],
  cas [label="CAS"],
  ns [label="NS"],
  bob [label="Bob"];

  --- [label="Alice replicates data to a remote log"];
  alice => cas [label="Add content"];
  cas => alice [label="Address"];
  alice => ns [label="Update NameUpdate"];
  ns => alice [label="Response"];

  --- [label="Bob comes online"];
  bob => ns [label="Fetch"];
  ns => bob [label="Content"];
  bob => cas [label="Fetch Query"];
  cas => bob [label="Content"];
}