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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
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
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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).
Transcribed Image Text: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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