Question

Write the advantages of layering in communication control hierarchies

Answer 1

#Assists in protocol design, because protocols that operate at a specific layer have defined information that they act upon and a defined interface to the layers above and below.

#Fosters competition because products from different vendors can work together.

#Prevents technology or capability changes in one layer from affecting other layers above and below.

#Provides a common language to describe networking functions and capabilities.

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