Method and apparatus for network problem segment isolation
First Claim
1. A method for characterizing network segment quality for a segment transmitting messages from a first endpoint to a second endpoint on a network, the network having first and second segments connected to the first and second endpoints respectively and to each other at a juncture, the method comprising:
- receiving messages transmitted between the first and second endpoints at the juncture, the messages including a first set of quality metrics for message transmission from the first to second endpoint for both the first and second segments and including a second set of quality metrics for message transmission from the first endpoint to the juncture;
subtracting the second set of quality metrics from the corresponding quality metrics of the first set of quality metrics to calculate a third set of quality metrics representing the quality metrics of the second segment; and
comparing the third set of quality metrics to a first set of segment qualities to characterize the quality of the second segment.
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Abstract
Method and Apparatus for Network Problem Segment Isolation. The present invention provides a method for characterizing network segment quality for a segment transmitting messages from a first endpoint to a second endpoint on a network. The method includes the step of receiving messages transmitted between the first and second endpoints. The messages include a first set of quality metrics for message transmission from the first to second endpoint for both the first and second segments and a second set of quality metrics for message transmission from the first endpoint to the juncture. Furthermore, the method includes subtracting the second set of quality metrics from the corresponding quality metrics of the first set of quality metrics to calculate a third set of quality metrics representing the quality metrics of the second segment. Additionally, the method includes comparing the third set of quality metrics to a first set of segment qualities.
21 Citations
45 Claims
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1. A method for characterizing network segment quality for a segment transmitting messages from a first endpoint to a second endpoint on a network, the network having first and second segments connected to the first and second endpoints respectively and to each other at a juncture, the method comprising:
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receiving messages transmitted between the first and second endpoints at the juncture, the messages including a first set of quality metrics for message transmission from the first to second endpoint for both the first and second segments and including a second set of quality metrics for message transmission from the first endpoint to the juncture;
subtracting the second set of quality metrics from the corresponding quality metrics of the first set of quality metrics to calculate a third set of quality metrics representing the quality metrics of the second segment; and
comparing the third set of quality metrics to a first set of segment qualities to characterize the quality of the second segment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A computer program product for enabling a computer system to characterize network segment quality for a segment transmitting messages from a first endpoint to a second endpoint on a network, the network having first and second segments connected to the first and second endpoints respectively and to each other at a juncture, the computer program product including a computer program comprising:
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instructions for receiving messages transmitted between the first and second endpoints at the juncture, the messages including a first set of quality metrics for message transmission from the first to second endpoint for both the first and second segments and including a second set of quality metrics for message transmission from the first endpoint to the juncture;
instructions for subtracting the second set of quality metrics from the corresponding quality metrics of the first set of quality metrics to calculate a third set of quality metrics representing the quality metrics of the second segment; and
instructions for comparing the third set of quality metrics to a first set of segment qualities to characterize the quality of the second segment. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. Apparatus for characterizing network segment quality for a segment transmitting messages from a first endpoint to a second endpoint on a network, the network having first and second segments connected to the first and second endpoints respectively and to each other at a juncture, the apparatus comprising
means for receiving messages transmitted between the first and second endpoints at the juncture, the messages including a first set of quality metrics for message transmission from the first to second endpoint for both the first and second segments and including a second set of quality metrics for message transmission from the first endpoint to the juncture; -
means for subtracting the second set of quality metrics from the corresponding quality metrics of the first set of quality metrics to calculate a third set of quality metrics representing the quality metrics of the second segment; and
means for comparing the third set of quality metrics to a first set of segment qualities to characterize the quality of the second segment. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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Specification