DNA (informatics)

DNA (Digital Network Architecture) is a digital network architecture, created by Digital Equipment Corporation (DEC).

It consists of seven layers, similar to those of the OSI Model and which have a direct correspondence with the seven levels of OSI.

• Layer 7: User
• Layer 6: Network management
• Layer 5: Network session and control
• Layer 4: Extensive communications
• Layer 3: Lacing
• Capa 2: Link
• Capa 1: Physics