CA2731993A1 - Analysis of network performance - Google Patents

Analysis of network performance Download PDF

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Publication number
CA2731993A1
CA2731993A1 CA2731993A CA2731993A CA2731993A1 CA 2731993 A1 CA2731993 A1 CA 2731993A1 CA 2731993 A CA2731993 A CA 2731993A CA 2731993 A CA2731993 A CA 2731993A CA 2731993 A1 CA2731993 A1 CA 2731993A1
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CA
Canada
Prior art keywords
application
computer
network
exchange
running
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2731993A
Other languages
French (fr)
Other versions
CA2731993C (en
Inventor
Shlomit Botton-Dascal
Benny Rachlevski-Reich
Yair Harel
Moshe Sidi
Israel Cidon
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Cisco Technology Inc
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Cisco Technology Inc
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Publication date
Application filed by Cisco Technology Inc filed Critical Cisco Technology Inc
Publication of CA2731993A1 publication Critical patent/CA2731993A1/en
Application granted granted Critical
Publication of CA2731993C publication Critical patent/CA2731993C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/04—Network management architectures or arrangements
    • H04L41/046—Network management architectures or arrangements comprising network management agents or mobile agents therefor

Abstract

A method for testing of a communication network, using a plurality of traffic agents coupled to communicate via the network. The method includes transmitting a sequence of data packets via the network from a first one of the traffic agents to a second one of the traffic agents and recording arrival characteristics of the packets in the sequence, responsive to receiving the packets at the second traffic agent. The arrival characteristics of different packets in the sequence are compared so as to determine a measure of variability in transmission of the packets via the network.

Claims (10)

1. A method for testing of a communication network, using a plurality of traffic agents coupled to communicate via the network, the method comprising:

transmitting a sequence of data packets via the network from a first one of the traffic agents to a second one of the traffic agents, the sequence comprising both communication test packets and packets associated with an application that is accessed via the network;

recording arrival characteristics of the packets in the sequence, responsive to receiving the packets at the second traffic agent; and observing a difference in the arrival characteristics of the communication test packets relative to those of the packets associated with the application.
2. A method for testing of a computer application accessed via a communication network, using a plurality of traffic agents coupled to communicate via the network, the method comprising:

running an instance of the application on a first computer coupled to the network, on which a first one of the traffic agents is also running;
exchanging test data packets via the network between a second one of the traffic agents, running on a second computer coupled to the network, and the first traffic agent, so as to determine test packet exchange characteristics generally independent of the application; exchanging application data packets via the network between the second computer and the instance of the application running on the first computer, so as to determine application packet exchange characteristics; and comparing the exchange characteristics of the application and test packets.
3. A method according to claim 2, wherein running the instance of the application on the first computer comprises running an application server, and wherein exchanging the application data packets comprises transmitting application client messages from the second computer to the first computer.
4. A method according to claim 2, wherein running the instance of the application comprises running a distributed computing application on the first computer, and wherein exchanging the application data packets comprises running another instance of the application on the second computer.
5. A method according to any of claims 2 - 4, wherein comparing the exchange characteristics comprises comparing a delay in the exchange of application data between the first and second computers relative to the exchange of test data.
6. Apparatus for testing of a computer application accessed via a communication network, comprising:

a first computer, coupled to communicate via the network, and configured both to run an instance of the application and to act as a first traffic agent; and a second computer, coupled to communicate via the network with the first computer, and configured both to act as a second traffic agent so as to exchange test data packets via the network with the first traffic agent, generally independent of the application, and to exchange application data packets via the network with the instance of the application running on the first computer, so as to determine and compare characteristics of the exchange of the test data with corresponding characteristics of the exchange of the application data.
7. Apparatus according to claim 6, wherein the instance of the application running on the first computer comprises an application server, and wherein the second computer acts as a client of the application.
8. Apparatus according to claim 6 or 7, wherein the characteristics that are compared comprise a delay in the exchange of application data between the first and second computers relative to the exchange of test data.
9. A computer software product for testing of a computer application accessed via a communication network, the product comprising a computer-readable medium containing program instructions, which instructions, when executed by first and second computers coupled to communicate via the network, wherein the first computer is also running an instance of the application, cause the first and second computers to exchange test data packets via the network, generally independent of the application, so as to determine test packet exchange characteristics, and to exchange application data packets via the network between the second computer and the instance of the application running on the first computer, so as to determine application packet exchange characteristics, whereby the exchange characteristics of the application and test packets are compared.
10. A product according to claim 9, wherein the instance of the application on the first computer comprises an application server, and wherein the application data packets comprise application client messages between the second computer and the first computer.
CA2731993A 2000-04-24 2001-04-05 Analysis of network performance Expired - Fee Related CA2731993C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/557,256 2000-04-24
US09/557,256 US6990616B1 (en) 2000-04-24 2000-04-24 Analysis of network performance
CA2407342A CA2407342C (en) 2000-04-24 2001-04-05 Analysis of network performance

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2407342A Division CA2407342C (en) 2000-04-24 2001-04-05 Analysis of network performance

Publications (2)

Publication Number Publication Date
CA2731993A1 true CA2731993A1 (en) 2001-11-01
CA2731993C CA2731993C (en) 2012-10-16

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CA2731993A Expired - Fee Related CA2731993C (en) 2000-04-24 2001-04-05 Analysis of network performance
CA2407342A Expired - Fee Related CA2407342C (en) 2000-04-24 2001-04-05 Analysis of network performance

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CA2407342A Expired - Fee Related CA2407342C (en) 2000-04-24 2001-04-05 Analysis of network performance

Country Status (4)

Country Link
US (2) US6990616B1 (en)
AU (1) AU5060701A (en)
CA (2) CA2731993C (en)
WO (1) WO2001082022A2 (en)

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Also Published As

Publication number Publication date
AU5060701A (en) 2001-11-07
CA2407342A1 (en) 2001-11-01
CA2407342C (en) 2011-05-31
WO2001082022A2 (en) 2001-11-01
CA2731993C (en) 2012-10-16
US20060050649A1 (en) 2006-03-09
US7688741B2 (en) 2010-03-30
WO2001082022A3 (en) 2002-04-25
US6990616B1 (en) 2006-01-24

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