Advantages of Reference Models

March 7, 2011
  • Dividing the complex network operation into more manageable layers.
  • Changing one layer without having to change all layers. This allows application developers to specialize in design and development.
  • Defining the standard interface for the "plug-and-play" multivendor integration.
 

Internetworking Models

March 7, 2011
OSI (Open System Interconnection) - in 1970 by International Organization for Standardization (ISO)
- this was meant to help vendors create interoparable network devices.
- this is the primary architectural model for networks.

Layered Model

CISCO three-layer hierarchial model
-three layer model that is used to help design,implement and maintain any size networks.

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