Computer Networks a systems approach questions 1 briefly des

   (Computer Networks: a systems approach)                       questions: 1

briefly describe best effort service. ... Your question has been answered! Rate it below. Let us know if you got a helpful answer. Question: Questions: 1) Briefly describe best effort service... Questions: 1) Briefly describe best effort service. 2) Give a short description of a three-way handshake in TCP. 3) Write an overview of a sliding window. 4) What is wrap around and how can it be avoided? 5) Explain the two major components of a RPC.

Solution

Answer To ques 1 is below

Best Effort Service

A \"Best Effort\" service is one which does not give full dependability. It more often plays out role of error control (e.g. disposing of all frames which may have been corrupted) and may likewise gave a few (restricted) re transmission (e.g. CSMA/CD). The conveyed information is not however ensured. A best effort service, regularly obliges unwavering quality to be given by a higher layer protocol.

Cases of best effort services are:

Link Layer - HDLC (UI outlines); Ethernet

Transport Layer - UDP and UDP-Lite.

Network Layer - IP (Datagrams)