a) List and discuss major de-merits of the layered approach to protocols in scholarly detail. The answer need to be at least 300 words. Please include references
b) Discuss detail why OSI never achieved the market acceptance and has yielded to TCP/IP. Answer should be of 300 words.
c) Explain why data network communication and distributed applications rely on underlying communications software which is independent of applications and relieves application of much of the burden in reliably exchanging data. The answer required to be at least 300 words. Please include references