Agilent Technologies, Inc.

Jds Uniphase Corporation

Keysight Technologies, Inc.

Lance A Tatman

Slawomir K Ilnicki

Jerry J Liu

Glenn R Engel

Glen L Purdy, Jr

Alexander L Tudor

Andrew Robert Lehane

Martin Curran-Gray

Jeffrey P Jones

Peter Mottishaw

Slawomir Ilnicki

In a communication network architecture including mobile equipment that employs multiple functions selectable for use by the user, the functions having respective measurable parameters, a service provider monitors the user's behavior with, and use of, the mobile equipment. An agent, such as software installed on-board the mobile equipment, measures parameters that are related to the user's behavior and use of the mobile equipment, and communicates the measured parameters to the service provider, over the communication network. The agent detects change of such user behavior and use, and accordingly changes parameters to measure and report on.

System and method for measuring user behavior and use of mobile equipment

BGP Route Recorder (BRR) captures and dumps Border Gateway Protocol (BGP) messages received from BGP peers. Passive links are established between the BRR and BGP peers. All incoming and outgoing BGP messages are recorded and timestamped. Rather than tear down BGP peering sessions when errors are encountered, error conditions are recorded, and the BRR may be configured to maintain links across selected BGP errors.

Method of collecting BGP routing protocol messages

In a communication network architecture, a service provider monitors its customer's experience as the customer selects and uses services offered by the service provider. An agent, such as software installed on-board the customer's mobile equipment, measures parameters that are related to the services, and communicates the measured parameters to the service provider, over the communication network.

System and method for measuring performance of new services in consumer devices

In a communication network architecture having multiple technology coverage areas that support different network technologies, a service provider monitors its customer's experience as the customer roams between technology coverage areas. An agent, such as software installed on-board the customer's mobile equipment, measures parameters that are related to the network technology, and communicates the measured parameters to the service provider, over the communication network.

System and method for making measurements in customer devices across different network technologies

Pluggable communication modules, e.g. SFP, XFP, XENPAK, on a service provider's packet switched network will include network monitoring capability, e.g. Intelligent Pluggable Modules. The Intelligent Pluggable Modules are configured to detect emergency calls. When an emergency call is detected, the module notifies a software application of the detected call, including the Media Access Controller (MAC) address of the caller. The application then queries the network equipment, typically the Digital Subscriber Line Access Multiplexer for the ingress port of the MAC address using a protocol such as SNMP. Upon receipt, the service provider's customer database is then queried for the physical port location corresponding to the MAC address. The management station then sends the physical location into the existing 911 system.

Method and system for determining physical location of emergency service callers on a packet switched network

A system and method for measuring network performance include a first element in a network, the first element operable to receive a data packet and to create a clone packet based on the data packet, the clone packet having a destination the same as a destination of the data packet and having information identifying the clone packet as a clone, the first element operable to insert the clone packet into a data stream with the data packet.

System and method for measuring network performance using real network traffic

Packet tracing in switched packet networks. Tracing of live packet data in a network is performed by discovering the measurement path, setting up dynamic filters along the path to collect traffic information, and collecting data as detected by the dynamic filters. Collected data is sent to a measuring entity. Filter setup may be repeated to capture data as routing changes.

Packet tracing using dynamic packet filters

A communications apparatus is capable of being disposed in-line in a communications link that supports a main communications channel. The communications link connects a first host to a second host. The communications apparatus comprises an application logic that supports a sub-channel within the main channel. When the main channel is potentially faulty, the application logic is arranged to monitor the main channel to determine an error condition and send a message by replacing data reserved for control purposes in order to communicate the error condition as sub-channel data.

Communications apparatus, system and method of creating a sub-channel

A routing monitor is disclosed comprising at least one communication tap, wherein each of the at least one communication taps is positioned in a line of communication between two routers and a protocol emulator for reassembling routing protocol messages captured by the at least one communication tap and opening a routing protocol connection with a network device using the reassembled routing protocol messages in response to a request for connection received from the network device.

Routing monitoring

Discovering routing policies in information networks. Large networks such as Autonomous Systems are abstracted as a single network element. A plurality of taps on the borders of the abstracted element filter ingress/egress data which is forwarded for collection and correlation. By correlating information from different taps, routing policies are discovered. These discovered policies may be compared with published policies. Access control makes discovered policies and the comparisons with published policies selectively available depending on predefined access classes.

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Granite Bay, CA, United States of America

Lance A Tatman