Compute the fraction of the bandwidth that is wasted on overhead (headers and retransmissions) for eliding window protocol using selective repeat on a heavily loaded 50 kbps satellite channel with data frames consisting of 40 header and 3960 data bits. ACK frames never occur. NAK frames are 40-bits. The error rate for data frames is 1 percent and the error rate for NAK frames is negligible. The sequence numbers are 8-bits.
Compute the fraction of the bandwidth that is wasted on overhead (headers and retransmissions) for eliding window protocol using selective repeat on a heavily loaded 50 kbps satellite channel with data frames consisting of 40 header and 3960 data bits. ACK frames never occur. NAK frames are 40-bits. The error rate for data frames is 1 percent and the error rate for NAK frames is negligible. The sequence numbers are 8-bits.
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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Transcribed Image Text:2. Compute the fraction of the bandwidth that is wasted on overhead (headers and retransmissions) for
aliding window protocol using selective repeat on a heavily loaded 50 kbps satellite channel with data
frames consisting of 40 header and 3960 data bits. ACK frames never occur. NAK frames are 40-bits.
The error rate for data frames is 1 percent and the error rate for NAK frames is negligible. The sequence
numbers are 8-bits.
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