Consider sending real-time voice from Host A to Host B over a packet-switched network (VolP). Host A converts analog voice to a digital 112 kbps bit stream on the fly. Host A then groups the bits into 56-byte packets. There is one link between Hosts A and B; its transmission rate is 28 kbps and its propagation delay is 20 msec. As soon as Host A gathers a packet, it sends it to Host B. As soon as Host B receives an entire packet, it converts the packet's bits to an analog signal. How much time elapses from the time a bit is created (from the original analog signal at Host A) until the bit is decoded (as part of the analog signal at Host B)? The delay until decoding time = ? msec
Consider sending real-time voice from Host A to Host B over a packet-switched network (VolP). Host A converts analog voice to a digital 112 kbps bit stream on the fly. Host A then groups the bits into 56-byte packets. There is one link between Hosts A and B; its transmission rate is 28 kbps and its propagation delay is 20 msec. As soon as Host A gathers a packet, it sends it to Host B. As soon as Host B receives an entire packet, it converts the packet's bits to an analog signal. How much time elapses from the time a bit is created (from the original analog signal at Host A) until the bit is decoded (as part of the analog signal at Host B)? The delay until decoding time = ? msec
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:Consider sending real-time voice from Host
A to Host B over a packet-switched network
(VolP). Host A converts analog voice to a
digital 112 kbps bit stream on the fly. Host A
then groups the bits into 56-byte packets.
There is one link between Hosts A and B; its
transmission rate is 28 kbps and its
propagation delay is 20 msec. As soon as
Host A gathers a packet, it sends it to Host
B. As soon as Host B receives an entire
packet, it converts the packet's bits to an
analog signal. How much time elapses from
the time a bit is created (from the original
analog signal at Host A) until the bit is
decoded (as part of the analog signal at
Host B)?
The delay until decoding time = ? msec
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