Background: Know: objects, MIBs , prerequisites - protocol layers, Recognize: IP MIB

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Case diagram example

Case DiagramsEdit

Case Diagrams, which was named after the inventor J.Case, makes it clear to see the whole propagation of a packet through a layer, meanwhile, counters are covering every possible path.</p>

The advantages of Case Diagrams are obvious:

It helps designers and users with ensuring the objects cover all the events uniquely but comprehensively, what's more, the relationship between objects is visualized by this method.

Basically, Case Diagrams uses a couple of simple symbols such as "+", "-", "<", ">", and "|" in order to display the essence of objects,