The client - layer communicate with server by the session - protocol and express - protocol which is worked out by us . distributed count is adopted in servers . every server deal with function - module itself and we use catalog - architecture to ensure data - consistent 多服務(wù)器之間將實(shí)現(xiàn)分布式計算,各個服務(wù)器負(fù)責(zé)自己的功能模塊的計算,將使用目錄結(jié)構(gòu)保證數(shù)據(jù)的一致性,采用目錄服務(wù)器使得客戶機(jī)對服務(wù)器的訪問是透明的。