操作管理数据 meaning in English

function management data

In sna , the layer within a half session that routes fmd requests and responses to particular nau services manager components and that provides session network services or session presentation services , depending on the type of session
在系统网络体系结构( sna )中,部分话路内的服务层,负责把操作管理数据( fmd )请求和响应邮送给特定网络可寻址单元( nau )服务管理程序,并提供话路网络服务或话路表示服务,具体是哪种服务依话路类型而定。