Task2: In packet switching technology the packet size is an import parameter when it con o efficiency and reducing the network latency. Let us assume a network which consists o ender host and a receiver host at nh hops faraway from each other's (nh-1 routers R). s>R>R→ ...→s. If we assume that all links have a bit-rate B bps and originally the message to be send from the sender to the receiver is of size L bits. 1) Give the formula to compute the network latency if we assume circuit switching (switching time per switch is s seconds). 2) Same as in 1) but we assume packet switching with packet size p bits. 3) From 2) drive the best packet size p which give the best performance (minimum network latency). Hint. One way to find out the minimum of a function f is to find derivative f'(0). 4) Verify your result by providing prove example.
Task2: In packet switching technology the packet size is an import parameter when it con o efficiency and reducing the network latency. Let us assume a network which consists o ender host and a receiver host at nh hops faraway from each other's (nh-1 routers R). s>R>R→ ...→s. If we assume that all links have a bit-rate B bps and originally the message to be send from the sender to the receiver is of size L bits. 1) Give the formula to compute the network latency if we assume circuit switching (switching time per switch is s seconds). 2) Same as in 1) but we assume packet switching with packet size p bits. 3) From 2) drive the best packet size p which give the best performance (minimum network latency). Hint. One way to find out the minimum of a function f is to find derivative f'(0). 4) Verify your result by providing prove example.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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