memory {HEAD ~ at least a first cache} for storing {TAIL ~ a set} of one or more rules, each rule to trigger the transmission of a message to trigger an event in another one of the caches in response to receipt of a message from the application associated with the first cache, 
for storing
memory { HEAD ~ at least a first cache } for storing { TAIL ~ a set } of one or more rules , each rule to trigger the transmission of a message to trigger an event in another one of the caches in response to receipt of a message from the application associated with the first cache ,
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH