Create batch.msc

assets/mvds/batch.msc

@@ -0,0 +1,14 @@
+# Alice and Bob: batch data sync
+msc {
+  hscale="2", wordwraparcs=on;
+
+  alice [label="Alice"],
+  bob [label="Bob"];
+
+  --- [label="batch data sync"];
+  alice => alice [label="add messages to payload state"];
+  alice >> bob [label="send payload with messages"];
+
+  bob => bob [label="add acks to payload state"];
+  bob >> alice [label="send payload with acks"];
+}