Correlating end-to-end passive measurements using hierarchical filters
First Claim
1. An end-to-end parameter measurement management system for a network management system of a packet-oriented communications network including a multiplicity of peripheral pieces of equipment, each comprising:
- traffic analysis means for determining representative values of selected received traffic parameters as a function of one or more selected traffic filters and sending the values as notifications to the network management system to determine measurements of the selected parameters;
control means for supplying each selected traffic filter to the traffic analysis means; and
processing means for adding a selected filter identifier to each notification generated by the traffic analysis means following a traffic analysis corresponding to the selected filter, and before each notification is sent to the network management system; and
whereinsaid parameter measurement management system includes;
calculation means for deriving parameter measurements from the representative values of said parameters contained in the notifications received from an ingress piece of peripheral equipment and an egress piece of peripheral equipment;
management means for sending selected filter definitions associated with the selected filter identifiers to selected pieces of peripheral equipment; and
correlation means for correlating each notification including the selected filter identifier received from the ingress piece of peripheral equipment with a selected set of egress notifications received from the egress piece of peripheral equipment which each egress notification includes a filter identifier having one or more relationship links with said selected filter identifier so that said calculation means derives parameter measurements from the representative values contained in said correlated notifications.
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Abstract
A system (DGM) is dedicated to end-to-end parameter measurement management for a network management system (NMS) of a packet-oriented communications network including a multiplicity of peripheral equipments (EP). The parameter measurement management system (DGM) comprises management means (MG) adapted to send selected peripheral equipments (EP) selected filter definitions associated with selected filter identifiers, correlation means (MCN) adapted to correlate each notification including a selected filter identifier received from an ingress peripheral equipment (EP-1) with a selected set of notifications received from egress peripheral equipments (EP-2, EP-3) and including a filter identifier having one or more relationship links with the selected filter identifier, and calculation means (MCM) adapted to derive parameter measurements from values contained in the correlated notifications.
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Citations
15 Claims
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1. An end-to-end parameter measurement management system for a network management system of a packet-oriented communications network including a multiplicity of peripheral pieces of equipment, each comprising:
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traffic analysis means for determining representative values of selected received traffic parameters as a function of one or more selected traffic filters and sending the values as notifications to the network management system to determine measurements of the selected parameters; control means for supplying each selected traffic filter to the traffic analysis means; and processing means for adding a selected filter identifier to each notification generated by the traffic analysis means following a traffic analysis corresponding to the selected filter, and before each notification is sent to the network management system; and
whereinsaid parameter measurement management system includes; calculation means for deriving parameter measurements from the representative values of said parameters contained in the notifications received from an ingress piece of peripheral equipment and an egress piece of peripheral equipment; management means for sending selected filter definitions associated with the selected filter identifiers to selected pieces of peripheral equipment; and correlation means for correlating each notification including the selected filter identifier received from the ingress piece of peripheral equipment with a selected set of egress notifications received from the egress piece of peripheral equipment which each egress notification includes a filter identifier having one or more relationship links with said selected filter identifier so that said calculation means derives parameter measurements from the representative values contained in said correlated notifications. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13)
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12. A network management system for a packet-oriented communications network including a multiplicity of pieces of peripheral equipment, each comprising:
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traffic analysis means for determining representative values of selected received traffic parameters as a function of one or more selected traffic filters and sending the values as notifications to the network management system to determine measurements of the selected parameters; control means for supplying each selected traffic filter to the traffic analysis means; and processing means for adding a selected filter identifier to each notification generated by the traffic analysis means following a traffic analysis corresponding to the selected filter, and before each notification is sent to the network management system; the network management system comprising an end-to-end parameter measurement management system including; calculation means for deriving parameter measurements from the representative values of said parameters contained in the notifications received from an ingress piece of peripheral equipment and egress piece of peripheral equipment; management means for sending to selected piece of peripheral equipment selected filter definitions associated with selected filter identifiers; and correlation means for correlating each notification including a selected filter identifier received from an ingress piece of peripheral with a selected set of egress notifications received from the egress piece of peripheral equipment which each egress notification includes a filter identifier having one or more relationship links with said selected filter identifier so that said calculation means derives parameter measurements from the representative values contained in said correlated notifications.
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14. A system for measuring selected parameters of an end-to-end traffic in a packet-oriented communications network between an ingress piece of peripheral equipment and an egress piece of peripheral equipment, the system comprising:
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management means for sending selected traffic filters including filter definitions associated with selected filter identifiers including ingress and egress filter identifiers which are respectively sent to the ingress piece of peripheral equipment or the egress piece of peripheral equipment; traffic analysis means for performing traffic analysis, determining representative values of selected traffic parameters as a function of the selected traffic filters and generating notifications including the determined representative values, wherein the notifications include ingress and egress notifications which originate, correspondingly, at the ingress piece of peripheral equipment and the egress piece of peripheral equipment; processing means for adding the respective ingress filter identifier or egress filter identifier into each corresponding ingress or egress notification generated by the traffic analysis means following the traffic analysis; a relationship link included at least in one of the ingress filter identifier to point to a respective egress filter identifier and the egress filter identifier to point to a respective ingress filter identifier; correlation means for correlating the ingress notifications with the egress notifications based on the relationship link; and calculation means for determining measurements of the selected parameters based on the notifications. - View Dependent Claims (15)
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Specification