CA2540366A1 - Method and system for connection verification - Google Patents

Method and system for connection verification Download PDF

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Publication number
CA2540366A1
CA2540366A1 CA002540366A CA2540366A CA2540366A1 CA 2540366 A1 CA2540366 A1 CA 2540366A1 CA 002540366 A CA002540366 A CA 002540366A CA 2540366 A CA2540366 A CA 2540366A CA 2540366 A1 CA2540366 A1 CA 2540366A1
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CA
Canada
Prior art keywords
tester
network
connection
gateway
subscriber station
Prior art date
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
CA002540366A
Other languages
French (fr)
Other versions
CA2540366C (en
Inventor
David J. Burns
Norman J. Robertson
Manuel Lopes Branco
Frank Tony Gorenc
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keysight Technologies Singapore Holdings Pte Ltd
Original Assignee
Bce Inc.
David J. Burns
Norman J. Robertson
Manuel Lopes Branco
Frank Tony Gorenc
Ixia
Keysight Technologies Singapore (Holdings) Pte. Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bce Inc., David J. Burns, Norman J. Robertson, Manuel Lopes Branco, Frank Tony Gorenc, Ixia, Keysight Technologies Singapore (Holdings) Pte. Ltd. filed Critical Bce Inc.
Publication of CA2540366A1 publication Critical patent/CA2540366A1/en
Application granted granted Critical
Publication of CA2540366C publication Critical patent/CA2540366C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854Wide area networks, e.g. public data networks
    • H04L12/2856Access arrangements, e.g. Internet access
    • H04L12/2869Operational details of access network equipments
    • H04L12/2878Access multiplexer, e.g. DSLAM
    • H04L12/2892Access multiplexer, e.g. DSLAM characterised by the access multiplexer architecture
    • H04L12/2896Distributed processing, e.g. on line cards
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H04L43/0811Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/50Testing arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/26Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/2209Arrangements for supervision, monitoring or testing for lines also used for data transmission

Abstract

The present invention provides a method and system for connection verification. An embodiment includes a DSL based system, with a tester resident at a central office respective to a DSLAM. When a problem is encountered by a subscriber, the tester can be readily connected to the DSLAM
to allow performance of tests on the connection between the tester, the DSLAM
and the Internet. If such tests are successful, then service provider can eliminate that portion of the link as the source of the connectivity problem.
If unsuccessful, the service provider can repair that portion of the connection, and thereby potentially obviate the need to send a technician to the subscriber premises.

Claims (60)

1. A method of verifying at least a portion of a connection between a subscriber station and a network wherein a gateway resides intermediate the subscriber station and the network, the method comprising:
introducing a tester into the connection;
remotely instructing the tester to perform at least one connectivity test between the gateway and the network; and generating an output reporting a result of the at least one connectivity test.
2. The method according claim 1 wherein the gateway is a DSLAM.
3. The method according to claim 2 wherein the portion of the connection between the gateway and the subscriber station includes a copper twisted pair.
4. The method according to claim 1 wherein the network is a proprietary network belonging to an internet service provider.
5. The method according to claim 1 wherein the network is the Internet and the portion of the connection between the gateway and network is a backhaul.
6. The method according to claim 1 wherein the tester is introduced via a remote instruction.
7. The method according to claim 1 wherein the tester is introduced into the connection at the gateway.
8. The method according to claim 6 wherein the gateway is a DSLAM at a telephone central office and the tester is introduced using a manual connection.
9. The method according to claim 1 further comprising remotely instructing the tester to perform at least one additional connectivity test between the gateway and the subscriber station and wherein the report includes a result of the at least one additional connectivity test.
10. The method according to claim 9 wherein the at least one additional connectivity test is a metal test of a copper twisted pair that forms at least part of the connection between the gateway and the subscriber station.
11. The method according to claim 1 wherein the remote instructions originate from a verification host connected to the tester and the report is outputted to the verification host.
12. The method according to claim 11 wherein the network is the Internet.
13. The method according to claim 11 wherein the network is a proprietary network belonging to an internet service provider.
14. The method according to claim 13 wherein the at least one connectivity test comprises "pinging" the tester from the host via the Internet.
15. The method according to claim 13 wherein the report includes ping statistics delivered to the host.
16. The method according to claim 12 wherein the verification host is connected to the tester via a virtual link through the Internet.
17. The method according to claim 16 wherein the subscriber station has a dynamic IP address and further comprising, after the introducing a tester into the connection:
remotely providing the dynamic IP address to the tester via a DHCP
server;
sending the dynamic IP address from the tester to the host via the Internet.
18. The method according to claim 11 wherein the verification host is connected to the tester via a link independent of the network.
19. The method according to claim 16 wherein the subscriber station has a static IP address and further comprising the step of remotely providing the static IP
address to the tester via the link.
20. A system for verifying at least a portion of a connection between a subscriber station and a network wherein a gateway resides intermediate the subscriber station and the network, the system comprising:
means for introducing a tester into the connection;
means for remotely instructing the tester to perform at least one connectivity test between the gateway and the network; and means for generating an output reporting a result of the at least one connectivity test.
21. A system for verifying at least a portion of a pathway between a subscriber station and a network comprising:
a gateway intermediate the subscriber station and the network, the gateway operable to translate communications between the subscriber station and the network;
a tester for connection into the pathway, the tester operable to receive remote instructions to perform at least one connectivity test over at least a portion of the pathway; and, a host connected to the tester for remotely instructing the tester to perform the at least one connectivity test and to receive reports thereof from the tester.
22. The system according to claim 21 wherein the gateway is a DSLAM.
23. The system according to claim 22 wherein the portion of the pathway between the gateway and the subscriber station includes a copper twisted pair.
24. The system according to claim 21 wherein the network is the Internet and the portion of the pathway between the gateway and network is a backhaul.
25. The system according to claim 21 wherein the tester is further operable to be selectively connected to and disconnected from the pathway via a remote instruction from the host.
26. The system according to claim 21 wherein the tester is operable to be selectively connected to and disconnected from the pathway via a manual connection.
27. The system according to claim 25 wherein the gateway is a DSLAM at a telephone central office and the tester is connected to the DSLAM using a manual connection.
28. The system according to claim 25 wherein the connectivity test includes a metal test between the gateway and the subscriber station and wherein the report includes a result of the metal test.
29. The system according to claim 21 wherein the network is the Internet.
30. The system according to claim 28 wherein the at least one connectivity test comprises "pinging" the tester from the host via the Internet.
31. The system according to claim 29 wherein the report includes ping statistics delivered to the host.
32. The system according to claim 28 wherein the verification host is connected to the tester via a virtual link through the Internet.
33. The system according to claim 28 further comprising a DHCP server operable to assign an IP address to the subscriber station and further operable to assign an IP address to the tester when the tester is introduced into the pathway, the tester further operable to send the dynamic If address from the tester to the host via the Internet.
34. The system according to claim 21 wherein the verification host is connected to the tester via a link independent of the network.
35. The system according to claim 33 wherein the subscriber station has a static IP address and wherein the host is further operable to providing the static IP address to the tester via the link.
36. The system according to claim 21, wherein the remote instructions to perform at least one connectivity test over at least a portion of the pathway comprises remote instructions to perform at least one connectivity test between the gateway and the network.
37. The system according to claim 21, wherein the remote instructions to perform at least one connectivity test over at least a portion of the pathway comprises remote instructions to perform at least one connectivity test between the gateway and the subscriber station.
38. The system according to claim 21, wherein the remote instructions to perform at least one connectivity test over at least a portion of the pathway comprises remote instructions to perform at least one connectivity test between the gateway and the network and at least one connectivity test between the gateway and the subscriber station.
39. A method of remotely verifying a connection between a subscriber station and a network wherein a gateway resides intermediate the subscriber station and the network, the method comprising:
remotely triggering the introduction of a tester into the connection, the tester operable to perform link and connectivity tests;
performing a test of a link between the gateway and the subscriber station;
performing a connectivity test between the gateway and the network; and reporting the status of the connection to a remote location.
40. A system for remotely verifying a connection between a subscriber station and a network wherein a gateway resides intermediate the subscriber station and the network, the system comprising:
a remote control terminal;
a tester coupled remotely to the remote control terminal and operable to be introduced into the connection and controlled by the remote control terminal; the tester operable to receive a connection test message from the remote control terminal and in response conduct at least one of a test of a link between the gateway and the subscriber station and a test between the gateway and the network; the tester further operable to report results of the tests; and a remote reporting terminal coupled remotely to the tester and operable to receive and process the results of the tests.
41. An apparatus for controlling verification of a connection between a subscriber station and a network from a remote location, wherein a gateway resides intermediate the subscriber station and the network, the apparatus comprising:
an interface operable to be coupled to a tester;
a processing unit operable to instruct the tester to be introduced into the connection, the processing unit further operable to instruct the tester to conduct a connectivity test between the gateway and the network and report the status of the connection; the processing unit further operable to receive and output the report of the status of the connection.
42. A test apparatus for remotely verifying a connection between a subscriber station and a network wherein a gateway resides intermediate the subscriber station and the network, the test apparatus comprising:
a first interface operable to be coupled to a remote control terminal;
a second interface operable to introduce the tester to the connection; and a processing unit operable to receive connection test messages from the remote control terminal and, upon reception of a connection test message, further operable to conduct a connectivity test between the gateway and the network; and transmit a report of the status of the connection to a remote location.
43. A method of remotely verifying layer 3 connectivity for a subscriber station wherein a gateway resides intermediate in a connection between the subscriber station and a layer 3 network, the method comprising:
remotely triggering a tester to be introduced into the connection;
performing a layer 3 connectivity test between the gateway and the network; and reporting the status of the layer 3 connectivity to a remote location.
44. A system for remotely verifying layer 3 connectivity for a subscriber station wherein a gateway resides intermediate in a connection between the subscriber station and a layer 3 network, the system comprising:
a remote control terminal;
a tester coupled remotely to the remote control terminal and operable to be introduced into the connection and controlled by the remote control terminal; the tester operable to receive a connectivity test message from the remote control terminal and in response conduct a layer 3 connectivity test between the gateway and the network, and report the results of the connectivity test; and a remote reporting terminal coupled remotely to the tester and operable to receive and process the results of the connectivity test.
45. A method of verifying a connection between a subscriber station and a network wherein a gateway operated by a service provider resides intermediate the subscriber station and the network, the method comprising:
determining that a problem exists with the connection;
introducing a tester controllable by the service provider into the connection;
instructing the tester to perform a test of a link between the gateway and the subscriber station;
repairing the link if the link test fails and terminating the method if the problem is resolved;
if the problem remains unresolved, instructing the tester to perform a connectivity test between the gateway and the network;
repairing the gateway if the connectivity test fails;
46. A tester introducible to a connection spanning a subscriber station, a gateway and a network comprising:
an interface for introducing the tester to the connection;
a processing unit operable to receive remote instructions to perform at least one connectivity test over at least a portion of the connection, the processing unit further operable to output results of the at least one connectivity test.
47. A verification host for conducting a remote test of a connection spanning a subscriber station, a gateway and a network via a tester introduced into the connection, the tester operable to receive remote instructions from the host and operable to perform at least one connectivity test over at least a portion of the connection network, the host comprising:
an interface for remotely connecting to the tester via a link an input device for receiving input from a user representing instructions to the tester to perform the at least one connectivity test;
a processing unit for receiving the input and relaying the instructions to the tester via the interface and the link; the processing unit also for receiving results of the connectivity test from the tester via the interface; and, an output device for presenting the results to the user.
48. A method of verifying at least a portion of a connection between a subscriber station and a network wherein a gateway resides intermediate the subscriber station and the network, the method comprising:
introducing a tester into the connection;
remotely instructing the tester to perform at least one connectivity test between the gateway and the subscriber station; and generating an output reporting a result of the at least one connectivity test.
49. The method according claim 48 wherein the gateway is a DSLAM.
50. The method according to claim 49 wherein the portion of the connection between the gateway and the subscriber station includes a copper twisted pair.
51. The method according to claim 48 wherein the network is a proprietary network belonging to an internet service provider.
52. The method according to claim 48 wherein the network is the Internet and the portion of the connection between the gateway and network is a backhaul.
53. The method according to claim 48 wherein the tester is introduced via a remote instruction.
54. The method according to claim 48 further comprising remotely instructing the tester to perform at least one additional connectivity test between the gateway and the subscriber station and wherein the report includes a result of the at least one additional connectivity test.
55. The method according to claim 54 wherein the at least one additional connectivity test is a metal test of a copper twisted pair that forms at least part of the connection between the gateway and the subscriber station.
56. The method according to claim 48 wherein the remote instructions originate from a verification host connected to the tester and the report is outputted to the verification host.
57. A system for verifying a connection between a subscriber station and a network wherein a gateway resides intermediate the subscriber station and the network, the system comprising:
means for introducing a tester into the connection;
means for remotely instructing the tester to perform at least one connectivity test between the gateway and the subscriber station; and means for generating an output reporting a result of the at least one connectivity test.
58. A method of remotely verifying a connection between a subscriber station and a network wherein a gateway resides intermediate the subscriber station and the network, the method comprising:
remotely triggering the introduction of a tester into the connection, the tester operable to perform link and connectivity tests;
performing a first connectivity test between the gateway and the subscriber station;
performing a second connectivity test between the gateway and the network; and reporting the status of the connection to a remote location.
59. An apparatus for controlling verification of at least a portion of a connection between a subscriber station and a network from a remote location, wherein a gateway resides intermediate the subscriber station and the network, the apparatus comprising:
an interface operable to be coupled to a tester;
a processing unit operable to instruct the tester to be introduced into the connection, the processing unit further operable to instruct the tester to conduct a connectivity test between the gateway and the subscriber station and report of the status of the connection; the processing unit further operable to receive and output the report of the status of the connection.
60. A test apparatus for remotely verifying at least a portion of a connection between a subscriber station and a network wherein a gateway resides intermediate the subscriber station and the network, the test apparatus comprising:
a first interface operable to be coupled to a remote control terminal;
a second interface operable to introduce the tester to the connection; and a processing unit operable to receive connection test messages from the remote control terminal and, upon reception of a connection test message, further operable to conduct a connectivity test between the gateway and the subscriber station; and transmit a report of the status of the connection to a remote location.
CA2540366A 2003-09-26 2004-09-24 Method and system for connection verification Active CA2540366C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/670,261 US7433450B2 (en) 2003-09-26 2003-09-26 Method and system for connection verification
US10/670,261 2003-09-26
PCT/CA2004/001740 WO2005032047A1 (en) 2003-09-26 2004-09-24 Method and system for connection verification

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CA2540366C CA2540366C (en) 2012-12-11

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EP (1) EP1683303A4 (en)
CA (1) CA2540366C (en)
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US20050135392A1 (en) 2005-06-23
US20050068972A1 (en) 2005-03-31
US7869372B2 (en) 2011-01-11
EP1683303A4 (en) 2013-01-02
CA2540366C (en) 2012-12-11
EP1683303A1 (en) 2006-07-26
US20090080337A1 (en) 2009-03-26
US7616577B2 (en) 2009-11-10
US7433450B2 (en) 2008-10-07

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