Client-server setting, dr algorithm, grouping method and special transmission protocol etc . ) came into being to increase system's consistency and scalability . however, with the increase of system participant and task interaction, these technologies and methods could not meet dve system's request 為了使同一個虛擬環(huán)境中的用戶能夠共享相同的時間和空間,不同的技術和方法(如:客戶機?服務器設置,dr算法,分組方法和專用傳輸協(xié)議等)被用來提高系統(tǒng)的一致性和可擴展性。