Outline

  • Concepts
  • Functionality of Layers
  • Protocol Type by Layer
  • ISO - Open Systems Interconnection (OSI) model: (standards bodies)
  • TCP/IP model: (researchers)
  • OSI - TCP/IP Differences
  • Focus of Reliability
  • Protocol Layering Principles
  • Layering within a Network Substructure
  • Boundaries in the TCP/IP model
  • Disadvantages of Layering
  • Multiplexing, Demultiplexing, and Inverse Multiplexing
  • Hiding Underlying Network Details:
  • Interconnection at Network-level: Advantages
  • Interconnection of Networks
  • TCP/IP Protocols