RABBI-TMQCTH.li QUEUE ) - COMMIT LOG - FIRST IN , FIRST OUT - WRITE - READ - [ READER [ WRITER - APPEND - ONLY , ORDER BY TIME - STORED DATA IS TRANSIENT IN NATURE . STORED DATA IS PERSISTENT - NOT SHARED BETWEEN IN NATURE C RETAINED BY TIME ) APPLICATIONS - SHARED BETWEEN APPLICATIONS , - EXCHANGE ? # I - App i 11--1111 - APP 2