Please enable JavaScript.

Coggle requires JavaScript to display documents.

OSI (Host Layers (Transport (TCP / IP (error control, flow control,…

- - - - define how to transfer datagrams via 1+ networks
    - - error control
      - flow control
      - segmentation / desegmentation
      - packetizing - divide large msg into smaller pieces
  - - - establish, manage, terminate connections
      - graceful close of session
      - checkpointing and recovery
      - controls dialogues (connections) between computers
  - - - convert between different syntax, encoding, semantics
      - translate between app and network formats
        
        character encoding
        
        data compression
        
        encryption/decryption
      - establish context between application-layer entities
  - - - identify communication partners
      - determine resource availability
      - synchronize communications
      - source sharing, remote file access
- - - - fiber cable
      - wireless radio frequency
      - layout of pins / line impedance
      - voltage
  - - - Logical link control
        
        identify / encapsulate network protocol
        
        error checking
        
        frame synchronization
      - Media access control
        
        control access to medium
        
        permission to transmit data