Why Do We Need Protocols

Protocols are basically needed because it’s important for the receiver to UNDRSTAND the sender. In computer communications, protocols also make sure the message gets to its destination properly, in entirety, and with out distortion. Answer: … Protocols are simply rules for communication.

Why do we need layered protocol architecture?

The main aim of the layered architecture is to divide the design into small pieces. Each lower layer adds its services to the higher layer to provide a full set of services to manage communications and run the applications. It provides modularity and clear interfaces, i.e., provides interaction between subsystems.

What is the need for protocol architecture in digital communication system?

Provides ccess to the TCP/IP environment for users and also provides distributed information services. Transfer of data between end points. May provide error control, flow control, congestion control, reliable delivery. Shield higher layers from details of physical network configuration.