Mneumonic phrases for memory

“All People Seem To Need Data Processing” (7-1) https://www.cybrary.it/blog/osi-model-7-layers-basic-understanding PeDeN TSsPA Peter Dinklidge Now Tries Scented Penis Antlions

Layered Approach Benefits

The benefits of this layered approach means that each product for each layer does not have to worry about the other layers. Assume other software packages or hardware devices implement the functions for you. This makes things several things better:

  • Less complex. network models break things into layers
  • Standardized. allows vendors to create products for a particular role
  • Easier to Learn. better to discuss the details of protocol specifications
  • Easier to Develop. reduced complexity allows easier program changes
  • Mutlivendor Interoperability. Different vendor solutions often work with the same network
  • Modular Engineering. one vendor can write software for higher layers, another can build the lower layers.