| Patent Number |
Title Of Patent |
Date Issued |
| 7471647 |
Bridged network spanning tree abnormality detection |
December 30, 2008 |
| A bridged network system (10, 10'). The system comprises a plurality of bridge nodes (BRN.sub.x). Each bridge node in the plurality of bridge nodes is connected to communicate with at least one other neighboring bridge node in the plurality of nodes. Each bridge node in the plurality |
| 7469317 |
Method and system for character string searching |
December 23, 2008 |
| A method for searching entries in a ternary content addressable memory ("TCAM") device for one or more matches to an input, comprising: (a) providing a first portion of the input to the TCAM and receiving a first indication from the TCAM as to whether the first portion matches one or |
| 7464398 |
Queuing methods for mitigation of packet spoofing |
December 9, 2008 |
| Systems and methods of mitigating attacks, such as Denial of Service (DoS) attacks, in a communications network are presented. Source addresses of packets received at network devices are monitored in relation to known reliable addresses stored in a decision engine. If the source address, |
| 7463637 |
Public and private network service management systems and methods |
December 9, 2008 |
| Public and private network service management systems and methods are disclosed. Rules for accessing a private services network in which network services are available are enforced so as to restrict access to the services network through a public network in accordance with policies o |
| 7463605 |
Apparatus, and associated method, for facilitating local mobility management in a heterogeneous |
December 9, 2008 |
| Apparatus, and an associated method for facilitating routing of a datagram sourced at a content source to a mobile node. The mobile node is selectably operable in a heterogeneous network having two or more network parts operable pursuant to different operating protocols. An ARP broad |
| 7463587 |
System and method for identifying pre-computed paths in a policy-based routing network |
December 9, 2008 |
| The invention provides a system and method for identifying a pre-computed path for an incoming connection at a node in a policy-based routing network. The method comprises: examining requirements of the incoming connection; examining policies associated with routes available from the |
| 7460783 |
Method and apparatus for dynamic provisioning of reliable connections in the presence of multipl |
December 2, 2008 |
| Method and apparatus for dynamic provisioning of reliable connections in the presence of multiple failures in optical networks are described. One embodiment is a method for allocation of protection paths after a failure in an optical network. The method comprises, responsive to a failure |
| 7460658 |
Apparatus, and an associated method, for selectably and automatically redirecting a telephonic c |
December 2, 2008 |
| Apparatus, and an associated method, for redirecting telephonic calls. Calls are directed to a user based upon the user's presence on a packet network. An indexer indexes together a forwarded call location together with dialing digits associated with a called location. When a calling |
| 7460542 |
Tagging rules for hybrid ports |
December 2, 2008 |
| A VLAN tagging method employed in a data communications switching device is disclosed. VLAN tagging is processed in accordance with one of a plurality of VLAN tagging modes, namely, a fixed port mode, a tagged port mode, a protocol-enforced port mode, a protocol-enforced port mode, and a |
| 7460484 |
Lawful intercept of traffic connections |
December 2, 2008 |
| Apparatus and method are provided for dynamically establishing lawful interception taps within connection-oriented communication networks. Taps are established automatically upon establishment of a main connection by embedding collection identifier information within connection setup |
| 7460482 |
Master-slave communications system and method for a network element |
December 2, 2008 |
| A master-slave communication system for a communication switch is provided. The system comprises a master controller generating commands and receiving status signals and slave devices associated with the master controller. Each slave receives commands, executes local commands respons |
| 7457867 |
Reliable non-repudiable Syslog signing and acknowledgement |
November 25, 2008 |
| A modified security protocol for remotely managed computer-based communications devices is presented. The protocol is based on the Syslog Sign protocol but is altered to allow an entity that collects log events from and/or remotely manages the device to provide authenticated acknowle |
| 7457405 |
Enhanced low pass filter |
November 25, 2008 |
| An ADSL POTS splitter includes low pass filter. The low pass filter includes a first inductor portion in communication with the line interface and a second inductor portion isolated from the line interface via an isolation capacitor. In one embodiment, the first inductor portion is c |
| 7454204 |
Method of accessing resources of a radiocommunication system, mobile terminal and base station f |
November 18, 2008 |
| The mobile terminal according to the invention comprises: means for receiving synchronization signals from a base station of a radiocommunication system; means for sending towards the base station requests for access to communication resources, at respective instants clamped with res |
| 7453993 |
Apparatus and method for a world wide web-based directory with automatic call capability |
November 18, 2008 |
| Apparatus, and an associated method, for providing a Web-based directory with automatic dialing capabilities that may be used by the user of a standard wireline or cellular telephone to establish contact with entities having SIP phones or other IP-based communication devises. The Web |
| 7453888 |
Stackable virtual local area network provisioning in bridged networks |
November 18, 2008 |
| A method and human-machine interface for backbone Virtual Local Area Network (VLAN) provisioning in bridged networking environments are provided. The method includes steps of provisioning backbone VLAN support on every backbone data transport trunk and by extension of every stackable |
| 7453850 |
Apparatus, and associated method, for facilitating bi-directional routing of data in a packet ra |
November 18, 2008 |
| Apparatus, and an associated method, for facilitating routing of packet-formatted data in a packet radio communication system. When a mobile node roams out of its home network and into a foreign network, data routing is facilitated. A UPA (unique private address) tunnel, is selectabl |
| 7453810 |
Method and apparatus for closed loop, out-of-band backpressure mechanism |
November 18, 2008 |
| A backpressure mechanism uses a TDM backpressure bus with each port card being assigned time slot. During its time slot, each ingress card/port writes on the bus the number of packets it transmitted to an egress ports during the last data refresh cycle. This information is read by the |
| 7453808 |
Throttling network management and element management system messaging |
November 18, 2008 |
| A system and method are provided for throttling event messages to be sent to a network management system (NMS), so as to avoid overflow of element management system (EMS) buffers. Three states are defined for buffers within a proxy: low, high, and full. Changes between states occur as th |
| 7451387 |
Autonomous method and apparatus for mitigating soft-errors in integrated circuit memory storage |
November 11, 2008 |
| Apparatus and methods for autonomously identifying and mitigating soft-errors affecting integrated circuit memory storage devices are provided. A soft-error mitigation process is invoked upon finding that an integrated circuit memory device is affected by a parity error. In a staged |
| 7451243 |
System and method for implementing RMII Ethernet reset |
November 11, 2008 |
| System and method for implementing RMII Ethernet reset of a slave card is described. In one embodiment, the invention comprises a method of resetting a slave card electrically connected to an administrative processor of a system via a Reduced Media Independent Interface ("RMII") Ethe |
| 7436855 |
Prohibit or avoid route mechanism for path setup |
October 14, 2008 |
| The present invention discloses a solution which delivers routing systems with less path setup latency and causes them to be less susceptible to network loading, by providing them the ability to setup diverse paths as a result of specifying network resources to exclude as part of a path |
| 7436782 |
Full mesh LSP and full mesh T-LDP provisioning between provider edge routers in support of Layer |
October 14, 2008 |
| A network management system, and a method of, centrally provisioning a full transport LSP mesh and a full targeted LDP signaling session mesh in support of VPN services provisioning are provided. A network management system repository tracks Provider Edge nodes (PE) having label switch |
| 7436775 |
Software configurable cluster-based router using stock personal computers as cluster nodes |
October 14, 2008 |
| A cluster router architecture and methods for performing distributed routing is presented. Implementations include off-the shelf Personal Computer (PC) hardware. The cluster router architecture includes PC-based router cluster nodes toroidally interconnected in an intra-connection ne |
| 7436774 |
Communication network connection rerouting methods and systems |
October 14, 2008 |
| Methods and systems for communication network element configuration and connection rerouting are disclosed. For a communication network connection between network elements, one of which supports a local connection rerouting function to detect a loss of continuity on the connection ba |
| 7436770 |
Metering packet flows for limiting effects of denial of service attacks |
October 14, 2008 |
| The packet rate limiting method and system is used for detecting and blocking the effects of DoS attacks on IP networks. The method uses an ACL counter that stores an action parameter in the first 3 most significant bits and uses 13 bits as a packet counter. A rate limit is enforced |
| 7436291 |
Protection of devices in a redundant configuration |
October 14, 2008 |
| A network communication device is provided, comprising a control processor for controlling operation of the device, a reset module which is controllable independently of the control processor for performing a reset operation of the device, and a reset control interface for receiving |
| 7433386 |
Method of allocating resources in a space division radiocommunication system and equipment for t |
October 7, 2008 |
| Method of allocating communication codes to channels set up in respect of mobile terminals in communication in a cell of a radiocommunication system, in which the cell is served by a fixed station having means of adjustment of send/receive parameters defining a respective antenna pat |
| 7433355 |
Filter based longest prefix match algorithm |
October 7, 2008 |
| Methods directed to longest prefix matching and systems directed to IP address lookups are presented. The methods and systems relate in particular to IPv6 and comprise finding the longest prefix match (LPM) for an IP address. The method of the invention results in the use of filters |
| 7433333 |
Dynamic, dual-mode wireless network architecture with a split layer 2 protocol |
October 7, 2008 |
| A wireless data network architecture supports both centralized mode operation and distributed mode operation. In the centralized mode, all of the Open Systems Interconnection (OSI) reference model data link layer, also known as layer 2, protocol functions are implemented within the r |
| 7432852 |
Method of synchronizing base stations of a terrestrial cellular communication network |
October 7, 2008 |
| The present invention relates to a method of synchronizing base stations of a terrestrial cellular communication system using a satellite component. |
| 7430221 |
Facilitating bandwidth allocation in a passive optical network |
September 30, 2008 |
| A bandwidth allocation system configured for in-service upgrading of bandwidth allocation functionality comprises dynamic bandwidth allocation software, a first processor, a second processor, first memory and second memory. The bandwidth allocation software includes an image representing |
| 7428663 |
Electronic device diagnostic methods and systems |
September 23, 2008 |
| Diagnostic methods and systems for electronic devices are disclosed. Separate dedicated diagnostic software code and operating code are respectively executed in a diagnostic mode and an operating mode of an electronic device. A determination may be made as to whether the electronic d |
| 7428299 |
Media gateway bulk configuration provisioning |
September 23, 2008 |
| A method and a tool for provisioning media gateway resources in a network management context are presented. Circuit emulation entities are selected via the interaction with the tool in a combination of configuration and selection contexts. Further circuit emulation entity identification |
| 7426573 |
System and method for providing service availability data for a communication network |
September 16, 2008 |
| The present invention provides a system and method of calculating a service disruption in a communication network comprising network elements, including nodes connected via links and at least one originating node. Each node is able to detect a failure in an adjacent network element. |
| 7424652 |
Method and apparatus for detection of transmission unit loss and/or replication |
September 9, 2008 |
| One embodiment of the disclosures made herein is a method of detecting a transmission unit fault condition in a network system. In accordance with such a method, an operation is performed for designating transmission units received at a first counting location of a datapath, during a fir |
| 7424636 |
Method and apparatus for controlling a clock signal of a line card circuit |
September 9, 2008 |
| A method and apparatus for handling, maintaining, and controlling network synchronization information emanating from a plurality of line card circuits is described. The technique described may be applied to a redundant pair of line card circuits, where one line card circuit is active |
| 7420983 |
Dynamic assignment of re-assembly queues |
September 2, 2008 |
| Methods and apparatus for the dynamic assignment of re-assembly queues to multiple connections in a communications system are described. In a preferred embodiment of the invention an ATM to MPLS mediation application is implemented. In the mediation process ATM cells are assigned to |
| 7420918 |
Look-ahead contention resolution method for a burst switching network |
September 2, 2008 |
| A Look-ahead Contention Resolution ("LCR") technique for application in burst switching networks is described. The LCR technique takes advantage of the existing separation of data bursts and their BHPs in time (offset or ".tau."). Through a look-ahead window ("LAW") W time units wide, a |
| 7418636 |
Addressing error and address detection systems and methods |
August 26, 2008 |
| Addressing error detection systems and methods are disclosed. A target address is written to a memory in an electronic system and subsequently output on an address path through which the memory is addressable. An addressing error is detected by determining whether the target address |
| 7418260 |
Method of controlling a mode of reporting of measurements on a radio interface and radio network |
August 26, 2008 |
| Parameters of radio propagation between a mobile terminal and at least one fixed transceiver are measured. Report messages indicating at least a part of the measured parameters, in accordance with a mode of reporting specified by the radio network controller are transmitted to the radio |
| 7417962 |
QoS capable mobile ad-hoc network device |
August 26, 2008 |
| The ad-hoc router enables a decentralized IP routing network (mobile of fixed) amongst a set of network devices, and can offer quality of services for voice, video and data applications. The ad-hoc router is divided into a receiving, control/management processing, IP datapath/routing |
| 7417953 |
Port re-enabling by monitoring link status |
August 26, 2008 |
| The present invention features embodiments of automatically re-enabling a disabled port or physical media interface by monitoring the link status of the physical layer interface. Any change in the link status automatically re-enables a previously disabled port, thereby permitting dat |
| 7415018 |
IP Time to Live (TTL) field used as a covert channel |
August 19, 2008 |
| The Time to Live (TTL) field in an IP header is used as a covert channel in a communication system. More particularly the TTL field can be used to selectively mark packets with unique identifiers as they pass through an upstream station on their way to a downstream station. In this way t |
| 7414973 |
Communication traffic management systems and methods |
August 19, 2008 |
| Communication traffic management systems and methods are disclosed. A threshold status of a communication traffic queue of a second communication traffic management device which is capable of receiving communication traffic from a first communication traffic management device is dete |
| 7414972 |
Jitter controlled WFQ algorithm on network processors and latency constrained hardware |
August 19, 2008 |
| Systems and methods of reducing service jitter in WFQ scheduling schemes used in packet traffic management are described. Service jitter is the variance in time between when a queue should have been selected for servicing and when it was actually serviced. The service jitter is gener |
| 7414234 |
Measurement of burst mode optical power over multiple bursts |
August 19, 2008 |
| A system, method, and computer readable medium for measurement of burst mode optical power over multiple bursts, comprises mirroring a photodiode current of an optical signal burst, converting the mirrored photodiode current to a capacitor voltage, comparing the capacitor voltage to a |
| 7411939 |
Methods and apparatus for providing communications services between connectionless and connectio |
August 12, 2008 |
| A telecommunications system uses software applications called user agents, that are preferably Internet-based and that operate on behalf of users in a telecommunications hosting server to control call connections under control of a telecommunications network server that interfaces with t |
| 7409715 |
Mechanism for detection of attacks based on impersonation in a wireless network |
August 5, 2008 |
| An impersonation detection system for a wireless node of a wireless communication network is described. The system comprises an intrusion detection module for correlating the original data frames transmitted by the wireless node with incoming data frames received over the air interfa |
| 7408936 |
Scalable VLAN grouping in a provider Metro Ethernet |
August 5, 2008 |
| A method of routing packets in network system where the network system comprises a plurality of edge nodes and a plurality of core nodes. Selected core nodes are coupled to communicate with selected edge nodes. The network system also comprises a plurality of external nodes, with sel |