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US6687748B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Network management system and method of operation

Assignee: Cisco Technology Inc
•
Filing: 2000-01-04
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Granted: 2004-02-03
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Expires: 2020-01-04
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Abstract

Abstract A network management server manages multiple network devices coupled to a communication network. A simulation device coupled to the communication network uses virtual network addresses to simulate multiple network devices in two respects. First, the simulation device uses virtual network addresses to simulate the generation of alarm signals from multiple network devices in the network environment. Second, the simulation device uses virtual network addresses to simulate responses to polling requests issued by the network management server. In this respect, the simulation device simulates the operation of multiple network devices to test the scaleability, performance, and reliability of the network management server.

Inventors

  • 👤 Hang Zhang
  • 👤 Avinash J. Marathe
  • 👤 Duc M. Pham

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 12:00
CPC Classifications
H; H04; H04L; H04L41/00; H04L41/06; H04L41/0686; H04L41/069; H04L43/00; H04L43/50; H04L61/00; H04L61/35; H04L41/14; H04L41/145

Claims Analysis

Total Claims: 37
Claim 1
Independent Claim 91 words
A network management system, comprising: a network management server coupled to a communication network; and a simulation device coupled to the communication network, the simulation device having a physical network address and operable to communicate an alarm signal to the network management server using a communication connection established between the network management server and the physical network address, wherein the alarm signal is associated with a virtual network address that is distinct from the physical network address and the physical and virtual network addresses are both on a single network layer.
Claim 2
Dependent Claim 91 words
A network management system, comprising: a network management server coupled to a communication network; and a simulation device coupled to the communication network, the simulation device having a physical network address and operable to communicate an alarm signal to the network management server using a communication connection established between the network management server and the physical network address, wherein the alarm signal is associated with a virtual network address that is distinct from the physical network address and the physical and virtual network addresses are both on a single network layer.
Claim 3
Dependent Claim 55 words
The system of claim 1 , wherein the simulation device comprises: a memory operable to store alarm information arranged in a script; a processor coupled to the memory and operable to execute the script to initiate generating the alarm signal; and a communication device coupled to the processor and operable to communicate the alarm signal.
Claim 4
Dependent Claim 34 words
The system of claim 2 , wherein: the memory stores the physical network address and a plurality of virtual network addresses; and the communication device comprises a controller operable to generate the alarm signal.
Claim 5
Dependent Claim 36 words
The system of claim 2 , wherein: the script includes a plurality of control commands associated with the alarm information; and the communication device generates the alarm signal in response to the processor executing the script.
Claim 6
Dependent Claim 40 words
The system of claim 2 , wherein: the memory is further operable to store a plurality of virtual network addresses; and the processor is further operable to generate the alarm signal using the alarm information and the virtual network addresses.
Claim 7
Dependent Claim 38 words
The system of claim 1 , wherein the alarm signal comprises a first alarm signal and the simulation device is further operable to generate a second alarm signal, the second alarm signal associated with the physical network address.
Claim 8
Dependent Claim 65 words
The system of claim 1 , wherein the simulation device comprises a first simulation device, and further comprising a second simulation device coupled to the communication network, wherein the first simulation device is operable to generate alarm signals using a first group of virtual network addresses and the second simulation device is operable to generate alarm signals using a second group of virtual network addresses.
Claim 9
Dependent Claim 54 words
The system of claim 1 , wherein the network management server comprises: a memory operable to store a plurality of network addresses; and a processor coupled to the memory and operable to communicate to the simulation device a request associated with a network address corresponding to the physical network address of the simulation device.
Claim 10
Dependent Claim 60 words
The system of claim 8 , wherein the simulation device comprises a controller operable to generate a first response and a second response in response to receiving the request at the simulation device, the first response associated with the physical network address and the second response associated with a virtual network address that is distinct from the physical network address.
Claim 11
Independent Claim 80 words
A method for communicating alarm signals, comprising: storing a physical network address associated with a simulation device; storing a plurality of virtual network addresses; and communicating an alarm signal to a network management server using a communication connection established between the network management server and the physical network address, the alarm signal associated with a virtual network address that is distinct from the physical network address, wherein the physical and virtual network addresses are both on a single network layer.
Claim 12
Independent Claim 80 words
A method for communicating alarm signals, comprising: storing a physical network address associated with a simulation device; storing a plurality of virtual network addresses; and communicating an alarm signal to a network management server using a communication connection established between the network management server and the physical network address, the alarm signal associated with a virtual network address that is distinct from the physical network address, wherein the physical and virtual network addresses are both on a single network layer.
Claim 13
Dependent Claim 29 words
The method of claim 10 , further comprising: storing alarm information arranged in a script; executing the script; and generating the alarm signal in response to executing the script.
Claim 14
Dependent Claim 39 words
The method of claim 11 , wherein the script includes a plurality of control commands associated with the alarm information, and further comprising: executing the control commands; and generating the alarm signal in response to executing the control commands.
Claim 15
Dependent Claim 33 words
The method of claim 10 , wherein the alarm signal comprises a first alarm signal and further comprising communicating a second alarm signal, the second alarm signal associated with the physical network address.
Claim 16
Dependent Claim 72 words
The method of claim 10 , further comprising: receiving a request associated with a network address corresponding to the physical network address of the simulation device; and in response to the request, generating a first response to the request associated with the physical network address; and in response to the request, generating a second response to the request associated with a virtual network address that is distinct from the physical network address.
Claim 17
Dependent Claim 108 words
A simulation device, comprising: a memory operable to store a physical network address associated with the simulation device and a plurality of virtual network addresses; and a controller operable to communicate to a network management server a first alarm signal associated with the physical network address and a second alarm signal associated with a particular virtual network address, wherein the first and second alarm signals are communicated using a communication connection established between the network management server and the physical network address, the particular virtual network address is distinct from the physical network address, and the physical and virtual network addresses are both on a single network layer.
Claim 18
Dependent Claim 108 words
A simulation device, comprising: a memory operable to store a physical network address associated with the simulation device and a plurality of virtual network addresses; and a controller operable to communicate to a network management server a first alarm signal associated with the physical network address and a second alarm signal associated with a particular virtual network address, wherein the first and second alarm signals are communicated using a communication connection established between the network management server and the physical network address, the particular virtual network address is distinct from the physical network address, and the physical and virtual network addresses are both on a single network layer.
Claim 19
Dependent Claim 27 words
The simulation device of claim 15 , wherein the controller and the memory are formed integral to a communication device and the controller generates the alarm signals.
Claim 20
Dependent Claim 38 words
The simulation device of claim 15 , wherein the memory stores alarm information arranged in a script, and further comprising a processor coupled to the memory and operable to execute the script to initiate generating the alarm signals.
Claim 21
Dependent Claim 36 words
The simulation device of claim 17 , wherein: the script includes a plurality of control commands associated with the alarm information; and the controller generates the alarm signal in response to the processor executing the script.
Claim 22
Dependent Claim 27 words
The simulation device of claim 17 , wherein the processor is further operable to generate the alarm signals using the alarm information and the virtual network addresses.
Claim 23
Dependent Claim 77 words
The simulation device of claim 15 , wherein the controller is further operable to: receive a request associated with a network address corresponding to the physical network address of the simulation device; generate a first response to the request associated with the physical network address in response to the request; and generate a second response to the request associated with a virtual network address that is distinct from the physical network address in response to the request.
Claim 24
Independent Claim 100 words
A method for communicating network messages in response to a request, comprising: receiving, at a simulation device having a physical network address, a request from a network management server; in response to the request, generating a plurality of responses, wherein at least one of the responses is associated with a virtual network address distinct from the physical network address and the physical and virtual network addresses are both on a single network layer; and communicating the responses to the network management server using a communication connection between the network management server and the physical network address of the simulation device.
Claim 25
Independent Claim 100 words
A method for communicating network messages in response to a request, comprising: receiving, at a simulation device having a physical network address, a request from a network management server; in response to the request, generating a plurality of responses, wherein at least one of the responses is associated with a virtual network address distinct from the physical network address and the physical and virtual network addresses are both on a single network layer; and communicating the responses to the network management server using a communication connection between the network management server and the physical network address of the simulation device.
Claim 26
Dependent Claim 39 words
The method of claim 21 , further comprising: storing response information in a plurality of scripts; executing the plurality of scripts in response to receiving the request; and generating the plurality of responses in response to executing the scripts.
Claim 27
Dependent Claim 29 words
The method of claim 22 , wherein each script comprises a sequence comprising a plurality of control commands, and executing each script comprises executing the sequence of control commands.
Claim 28
Dependent Claim 86 words
Software embodied in a computer readable medium operable to perform the steps of: storing a physical network address associated with a simulation device; storing a plurality of virtual network addresses; and communicating an alarm signal to a network management server using a communication connection established between the network management server and the physical network address, the alarm signal associated with a virtual network address that is distinct from the physical network address, wherein the physical and virtual network addresses are both on a single network layer.
Claim 29
Dependent Claim 86 words
Software embodied in a computer readable medium operable to perform the steps of: storing a physical network address associated with a simulation device; storing a plurality of virtual network addresses; and communicating an alarm signal to a network management server using a communication connection established between the network management server and the physical network address, the alarm signal associated with a virtual network address that is distinct from the physical network address, wherein the physical and virtual network addresses are both on a single network layer.
Claim 30
Dependent Claim 34 words
The software of claim 24 , further operable to perform the steps of: storing alarm information arranged in a script; executing the script; and generating the alarm signal in response to executing the script.
Claim 31
Dependent Claim 39 words
The software of claim 25 , wherein the script includes a plurality of control commands associated with the alarm information, and further comprising: executing the control commands; and generating the alarm signal in response to executing the control commands.
Claim 32
Dependent Claim 77 words
The software of claim 24 , further operable to perform the steps of: receiving a request associated with a network address corresponding to the physical network address of the simulation device; and generating a first response to the request associated with the physical network address in response to the request; and generating a second response to the request associated with a virtual network address that is distinct from the physical network address in response to the request.
Claim 33
Independent Claim 82 words
A system, comprising: means for storing a physical network address associated with a simulation device; means for storing a plurality of virtual network addresses; and means for communicating an alarm signal to a network management server using a communication connection established between the network management server and the physical network address, the alarm signal associated with a virtual network address that is distinct from the physical network address, wherein the physical and virtual network addresses are both on a single network layer.
Claim 34
Independent Claim 82 words
A system, comprising: means for storing a physical network address associated with a simulation device; means for storing a plurality of virtual network addresses; and means for communicating an alarm signal to a network management server using a communication connection established between the network management server and the physical network address, the alarm signal associated with a virtual network address that is distinct from the physical network address, wherein the physical and virtual network addresses are both on a single network layer.
Claim 35
Dependent Claim 35 words
The system of claim 28 , further comprising: means for storing alarm information arranged in a script; means for executing the script; and means for generating the alarm signal in response to executing the script.
Claim 36
Dependent Claim 28 words
The system of claim 29 , further comprising: means for executing the control commands; and means for generating the alarm signal in response to executing the control commands.
Claim 37
Dependent Claim 78 words
The system of claim 28 , further comprising: means for receiving a request associated with a network address corresponding to the physical network address of the simulation device; and means for generating a first response to the request associated with the physical network address in response to the request; and means for generating a second response to the request associated with a virtual network address that is distinct from the physical network address in response to the request.

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2007-02-02 2007-08-04 2008-02-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2011-02-02 2011-08-04 2012-02-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2015-02-02 2015-08-04 2016-02-03 $7700.00 Window Closed / Lapsed

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