A WWW-based in-class response system /

17 seconds per connection using a fraction of the expected

Bibliographic Details
Main Author: Gonzalez Barron, Raul, 1972-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1997.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:17 seconds per connection using a fraction of the expected
browser's results, having a response time of between 12 and
capabilities, a WWW-based in-class-response system is
communication, shorten response time to questions and
developed from which the instructor can obtain instant
distributed scenario for an in-class response setting (e.g.,
enhance overall teaching performance. One of the concerns
expected 100 requests in a 30 second window. These results
FastCGI shows the performance improvement which stems from
feedback about the student's comprehension level during
for an in-class setting. A much lower response time and a
having 100 students accessing the server in a 30 seconds
having a configurable number of processes running on the Web
higher throughput was obtained after installing the CGI
Implementation of the FastCGI interface on the Web Server is
increase overall learning. Immediate access to the students'
initial stages of this research, led to the implementation to
instructor a chance to initiate early corrective action and
instructor-student interaction, students can improve
leads us to conclude that the Web Server based on the Ultra
lecture. Using a Web browser in class as a form of
load, leads to the conclusion that the original testbed based
on a SPARC I will not be able to sustain the expected load
performance problems caused by the large number of
programs on a Ultra Sparc 2. The benchmark tests using 84
response to questions posted in-class will give the
resulting from the use of such a system in an in-class
second using the CGI and FastCGI access method, respectively.
server overload.
Server to serve the concurrent requests. A uniformly
setting, however, arises due to the potential problem of
Sparc 2 will be able to handle the expected in-class load, at
submissions within such a short time. Observing the
than one second per connection using a higher load than the
the much higher expense of the latter machine.
the proposed solution to overcome this problem.
the same one to two minute window, there may be Web server
The Web browser tests showed an average response time of less
unsatisfactory performance of the Web Server during the
used to minimize response time. A comparison between CGI and
Using the current network infrastructure and the Internet
Webclients showed a throughput of 17 and 194 connections per
window), would require a service rate from the server of
With a classroom size of 50 to 100 students working within
Item Description:"Major subject: Electrical Engineering".
Vita.
Physical Description:xi, 209 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references: pages 55-58.