Method and apparatus for detecting failures in network components
First Claim
1. A monitoring system, comprising:
- a monitoring component that compares a number of application specific request packets sent by an application with a number of response packets received pursuant to the sent request packets during a designated monitoring period to detect failure in a monitored component without using any pinging packets, whereinthe request and response packets contain data used by the monitored component to perform an application that is not associated with component operation status monitoring, and wherein the request and response packets are not specifically ping packets;
the monitoring component identifies failure in the monitored component if one or more request packets are sent and no corresponding response packet is received by the monitoring component during a designated monitoring period.
1 Assignment
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Accused Products
Abstract
A monitoring system includes a monitoring component that compares a number of application-specific request packets sent with a number of response packets received pursuant to the sent request packets during a designated monitoring period to detect failure in a monitored component without using any pinging packets. The application-specific request and response packets contain data to perform tasks specific to an application that is not associated with operational status monitoring information and the request and response packets are not specifically ping packets. A method for monitoring includes counting a number of application-specific request packets sent with a number of response packets received during a monitoring period without any pinging. If one or more request packets are sent but no response packets are received during a designated monitoring period, the monitored component is identified as failed. If some, but not all, response packets are received, the monitored component is identified as operational. Alternatively, if no response packets are received after a first monitoring period, the monitored component is identified as potentially failed. If no response packets are received after the end of a second monitoring period, the monitored component is identified as failed.
100 Citations
27 Claims
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1. A monitoring system, comprising:
a monitoring component that compares a number of application specific request packets sent by an application with a number of response packets received pursuant to the sent request packets during a designated monitoring period to detect failure in a monitored component without using any pinging packets, wherein the request and response packets contain data used by the monitored component to perform an application that is not associated with component operation status monitoring, and wherein the request and response packets are not specifically ping packets; the monitoring component identifies failure in the monitored component if one or more request packets are sent and no corresponding response packet is received by the monitoring component during a designated monitoring period. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A monitoring system, comprising:
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a network access server (NAS) for a Remote Access Dial-In User Service (RADIUS) application to transmit an access request packet to a primary RADIUS server and to receive a corresponding response packet from the primary RADIUS server, a component to detect failure in the primary RADIUS server by comparing a number of RADIUS request packets with a number of RADIUS response packets that are already transmitted between the NAS and the primary RADIUS server without exchanging any ping specific packets, wherein the primary RADIUS server is considered fail if one or more access request packet is transmitted and no corresponding response packet is received by the network access server during a designated monitoring period. - View Dependent Claims (8, 9, 10, 11)
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12. A method for monitoring a component, comprising:
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counting a number of application-specific request packets sent during a monitoring period with a number of response packets received pursuant to the sent request packets wherein the request and response packets contain information that is used by a monitored component to perform an application that is not associated with component operation status monitoring, and wherein the request and response packets are not specifically ping packets; identifying failure in a monitored component if one or more request packets are sent and no corresponding response packet is received by a monitoring component during a designated monitoring period; and using the request packets and response packets as part of an authentication process for gaining access to a system. - View Dependent Claims (13, 14, 15, 16, 17)
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18. An electronic storage medium containing computer executable code for monitoring a component, the computer executable code comprising:
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code for counting a number of application-specific request packets sent during a monitoring period with a number of response packets received pursuant to the sent request packets;
whereinthe application-specific request and response packets contain information that is used by a monitored component to perform an application that is not associated with component operation status monitoring, and wherein the request and response packets are not specifically ping packets; code for identifying failure in a monitored component if one or more request packets are sent and no corresponding response packets are received by a monitoring component during a designated monitoring period. - View Dependent Claims (19, 20, 21, 22)
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23. A system for monitoring a component, comprising:
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means for counting a number of application specific request packets sent during a monitoring period with a number of response packets received pursuant to the sent request packets wherein the request and response packets contain information that is used by a monitored component to perform an application that is not associated with component operation status monitoring and wherein the request and response packets are not specifically ping packets; means for identifying failure in a monitored component if one or more request packet is sent and no corresponding response packet is received by a monitoring component during a designated monitoring period. - View Dependent Claims (24, 25, 26, 27)
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Specification