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１０年以前，ＳＮＡ（ＳｙｓｔｅｍＮｅｔｗｏｒｋＡｒｃｈｉｔｅｃｔｕｒｅ）网络差不多就是企业网络的同义词。这是一种在ＩＢＭ主机和中型机系统上运行的应用，建立在ＳＮＡ协议与连网设备之上。在当时的条件下，ＳＮＡ具有相当的优势。比如：它具有较高的可用性；带宽...
Ten years ago, SNA (SystemNetworkArchitecture) network is almost synonymous with the corporate network. This is an application that runs on both IBM mainframe and midrange systems, built on top of the SNA protocol and networking equipment. Under the conditions of the time, SNA has considerable advantages. For example: it has high availability; bandwidth ...