Sublayers of Presentation Layer

The presentation layer is composed of two sublayers:

• CASE (Common Application Service Element)
• SASE (Specific Application Service Element)

The CASE sublayer provides services for Application layer and request services from Presentation layer. It provides support for common application services, such as:

• ACSE (Association Control Service Element)
• ROSE (Remote Operation Service Element)
• CCR (Commitment Concurrency and Recovery)
• RTSE (Reliable Transfer Service Element)

The SASE sublayer provides application specific services (protocols), such as

• FTAM (File Transfer, Access and Manager)
• VT (Virtual Terminal)
• MOTIS (Message Oriented Text Interchange Standard)
• CMIP (Common Management Information Protocol)
• JTM (Job Transfer and Manipulation) a former OSI standard
• MMS (Manufacturing Messaging Service)
• RDA (Remote Database Access)
• DTP (Distributed Transaction Processing)