The first commercial loosely coupled clustering product was Datapoint Corporation's "Attached Resource Computer" (ARC) system, developed in 1977, and using ARCnet as the cluster interface.
第一个商业松散耦合的集群产品是Datapoint（英语：Datapoint）公司的“附加资源计算机”（Attached Resource Computer，ARC）系统，该系统于1977年开发，使用ARCNET作为集群接口。