Suppose hosts A and B are connected by a link. Host A continuously transmits the current time from a high-precision clock, at a regular rate, fast enough to consume all the available bandwidth. Host B reads these time values and writes them each paired with its own time from a local clock synchronized with A's. Give qualitative examples of B's output assuming the link has (a) High bandwidth, high latency, low jitter. (b) Low bandwidth, high latency, high jitter. (c) High bandwidth, low latency, low jitter, occasional lost data. For example, a link with zero jitter, a bandwidth high enough to write on every other clock tick, and a latency of 1 tick might yield something like (0000,0001), (0002, 0003), (0004, 0005).

Suppose hosts A and B are connected by a link. Host A continuously transmits the current time from a high-precision clock, at a regular rate, fast enough to consume all the available bandwidth. Host B reads these time values and writes them each paired with its own time from a local clock synchronized with A's. Give qualitative examples of B's output assuming the link has (a) High bandwidth, high latency, low jitter. (b) Low bandwidth, high latency, high jitter. (c) High bandwidth, low latency, low jitter, occasional lost data. For example, a link with zero jitter, a bandwidth high enough to write on every other clock tick, and a latency of 1 tick might yield something like (0000,0001), (0002, 0003), (0004, 0005).

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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Concept explainers

Network transmission cabling

A network is a collection of devices connected by communication links. A device can be a computer or any instrument capable of sending and receiving data or information formed by other nodes toward the network. A channel that connects people or things is known as a network. It sends the data from one place to another. It is the basic concept of a computer, network, and data communications.

Question

Suppose hosts A and B are connected by a link. Host A
continuously transmits the current time from a high-precision
clock, at a regular rate, fast enough to consume all the available
bandwidth. Host B reads these time values and writes them each
paired with its own time from a local clock synchronized with A's.
Give qualitative examples of B's output assuming the link has
(a) High bandwidth, high latency, low jitter.
(b) Low bandwidth, high latency, high jitter.
(c) High bandwidth, low latency, low jitter, occasional lost data.
For example, a link with zero jitter, a bandwidth high enough to
write on every other clock tick, and a latency of 1 tick might yield
something like (0000,0001), (0002, 0003), (0004, 0005).

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