FMD services layer FMD

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.; 在系統網絡體系結構(SNA)中,部分話路內的服務層,負責把操作管理數據(FMD)請求和 響應郵送給特定網絡可尋址單元(NAU)服務管理程序,并提供話路網絡服務或話路表示服務, 具體是哪種服務依話路類型而定。