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7571310 Method for detecting security module for link protection in ethernet passive optical network  
The present invention provides a method for detecting a security module for link protection in an EPON, wherein an OLT and an ONU in the EPON can check whether or not an encryption module is...
7570579 Method and apparatus for fast failure detection in switched LAN networks  
A switch detects port failures and identifies a MAC address associated with the port failure. The switch then sends a failure notification message to other ports on the switch that identifies the...
7570580 Automatic problem isolation for multi-layer network failures  
A method and apparatus includes automatically correlating indicators already generated by network components to detect and isolate failures that are caused by or related to network components...
7567503 Mobile network control device and mobile network control method  
A mobile network control apparatus capable of improving transmission efficiency without giving any processing loads to nodes of a mobile network. In mobile routers 121, 131, 132 to which the...
7567506 Method of managing malfunctions at router level, and a router  
This method of managing malfunctions in a telecommunications network is implemented in a router having a plurality of communication interfaces and a nominal operational routing plan that is...
7567505 VRRP technology keeping VR confidentiality  
In a packet transmission router used in a VRRP (Virtual Router Redundancy Protocol) network having a VR (Virtual Router) function, when virtual routers VR are realized by the VRRP, the routing...
7567504 Network load balancing with traffic routing  
In an exemplary method implementation, a method includes: receiving a packet requesting a new connection at a forwarding component; sending the packet from the forwarding component to a classifying...
7564777 Techniques for group alarm indication signal generation and clearing  
In a communication system that uses virtually concatenated payloads, techniques to determine when to declare and when to clear alarm indication signal (AIS) for a group. The declaration of AIS for...
7564845 Method for permanent redundant transmission of data messages in communication systems  
The method carrying out permanent redundant transmission of data messages in disjunctive paths, such that circulating data messages can be reliably identified and destroyed. The method includes...
7564776 Method for controlling the transport capacity for data transmission via a network, and network  
A method and apparatus for controlling the transport capacity for data transmission in a network, providing a high level of resilience, and at the same time, avoiding excessive overdimensioning of...
7561554 Method and system for detecting rogue access points and device for identifying rogue access points  
A system for detecting rogue access points (APs) includes a detecting station ( 130 ) and a device for identifying rogue access points ( 110 ). The detecting station scans access points and...
7561795 Dynamic interlayer protection in optical telecommunication networks  
The present invention relates to a method for protecting an optical telecommunication network against possible failures and signal degrades, the network comprising at least two nodes; working...
7558192 Method to increase system availability of critical hardware components  
One embodiment of the invention includes a system for overriding an operation of an electronic device. The system includes an override hardware logic that is communicatively coupled with a...
7559006 Method and system for incorporating non-redundant components in a redundant system in a communications network  
A method for incorporating a non-redundant component in a redundant system in a communications network, the redundant system having first and second redundant components providing first and second...
7555086 Plural circuit selection using role reversing control inputs  
Data is communicated through two separate circuits or circuit groups, each having clock and mode inputs, by sequentially reversing the role of the clock and mode inputs. The data communication...
7554904 System and method for service independent data routing  
Data are rerouted over a network having a uniform-capacity Tandem Connection by detecting a failure in a link in a path, maintaining the path through a Tandem Connection that does not include the...
7552097 Methods and apparatus for decoding LDPC codes  
Methods and apparatus for decoding codewords using message passing decoding techniques which are particularly well suited for use with low density parity check (LDPC) codes and long codewords are...
7549090 Autonomic recovery from hardware errors in an input/output fabric  
An apparatus, program product and method propagate errors detected in an IO fabric element from an IO fabric that is used to couple a plurality of endpoint IO resources to processing elements in a...
7548995 Strategies for disseminating media information using redundant network streams  
A system is described for disseminating media information. An operations center transmits at least a primary stream on a first network connection and a backup stream on a second network connection...
7549078 Redundancy in routing devices  
Providing redundancy between an active component and a standby component in a network router comprises maintaining a first route input information base associated with the active component,...
7542413 Method and apparatus for delaying start of restoration of low priority services  
The present invention relates generally to restoration of low priority services in a network. More particularly, the invention encompasses a method and an apparatus for delaying the start of the...
7542412 Self-routing, star-coupler-based communication network  
A self-routing communication network ( 100 ) having: a plurality of nodes (N 1 -N 15 ); a plurality of star couplers (S 1 -S 4 ) each having a plurality of inputs and a plurality of outputs; and...
7539128 Method for protecting and restoring link using optical label merging and dynamic resource sharing with network load  
Disclosed herein is a method for protecting and restoring a link in an OBS network. The method includes a step of transmitting/receiving a liveness-confirming message for confirming liveness of the...
7539127 System and method for recovering from endpoint failure in a communication session  
A method for recovering a communication session after failure of an endpoint includes establishing a communication session between a first endpoint and a second endpoint, receiving keep alive...
7539154 Method and apparatus to detect and break loop configuration  
In a system having a plurality of nodes such as Ethernet repeaters, coupled by communication links such as cables, systems and protocols are provided for detecting and/or breaking loops. In one...
7539494 Inter-site call routing and roaming support  
A method ( 600,700 ) and apparatus ( 800 ) are arranged and operate for facilitating call routing between sites in an enterprise connected by a private IP network ( 130 ). A range of identifiers (...
7539129 Server, method for controlling data communication of server, computer product  
A server includes a plurality of information processing units that respectively have a central processing unit and a memory, and that perform respective information processings in parallel; a...
7539130 Method and system for transmitting and receiving packets  
The invention is a system and method for synchronizing the transmission of compressed headers in data packets between a transmitter and a receiver having a preferred wireless application which is...
7535824 Binary class based control  
The invention allows binary class based control of a communications network and its services. A fault table and a state table are generated. The state table is compared with the state table in...
7535825 Network routing using link failure information  
Link failure messages are sent through a network to accelerate convergence of routing information after a network fault. The link failure messages reduce the oscillations in routing information...
7535823 Method and system for providing a sparing mechanism in a circuit-switched-to-packet-switched interworking peripheral  
The present invention provides an interworking peripheral module, which acts as a liaison between a circuit-switched telephone switch and a packet network. The interworking peripheral module...
7532594 Method and system of bluetooth network  
A Bluetooth network topology. The Bluetooth network system includes a plurality of piconets, containing a plurality of Bluetooth units, including one master unit and a plurality of slave units....
7529180 Switch failover for aggregated data communication links  
A network device, method and computer program product for communicating data over aggregated links, wherein each of the aggregated links comprises a plurality of data communication links. The...
7529181 Method and apparatus for adaptive monitoring and management of distributed systems  
A method for providing an adaptive monitoring process for distributed system containing a plurality of detected events, each of which is associated with at least one causing event. The method...
7525902 Fault tolerant symmetric multi-computing system  
A system enabled for fault-tolerant symmetric multi-computing using a group of nodes is described hereon. A symmetrical group of nodes networked using a reliable, ordered, and atomic group-to-group...
7526551 System and method for highly available timer service in a J2EE cluster  
A system and method for a highly available timer service may include a timer database operable to store information on one or more timers. The system may further include a plurality of servers in a...
7525903 Method for improved packet 1+1 protection  
The invention includes a method for monitoring packet protection quality. A first method according to the present invention includes initializing a current sliding window having a current sliding...
7523178 Tolerating failure of traffic management systems  
Failures are tolerated in an environment in which a plurality of traffic management systems are coordinated to manage the supply of data to and from a plurality of clients via a plurality of...
7522516 Exception handling system for packet processing system  
An exception handling system for a packet processing system is described. In this exception handling system, there are several exception handlers. One of the exception handlers is selected based on...
7519698 Method and system for extracting information from networked devices in a multi-protocol remote monitoring system  
A method, system, and computer program product for storing information configured to be used for a plurality of communication protocols to extract status information related to a monitored device...
7518982 System and method of communicating status and protection information between cards in a communications system  
Described are a system and method of communicating status and protection information between cards in a communications system. The system has a plurality of cards connected to a backplane. The...
7518983 Proxy response apparatus  
A proxy response apparatus is equipped with a module that obtains and retains request messages and response messages exchanged between a client and main and backup servers, a module for detecting a...
7519712 Switching of PVC connection  
The invention provides a PVC switching control method for an ATM communication network which allows high speed changeover of a connection upon occurrence of/release from a trouble and is superior...
7518981 Method and system for a graceful reroute of connections on a link  
A method and system for a graceful reroute of connections on a link are described. According to one embodiment, in a digital communications network, a method comprises blocking new connections from...
7515530 Detecting loops between network devices by monitoring MAC moves  
A technique for detecting a loop between network devices such as customer and carrier edge devices involves counting the number of media access control (MAC) address moves that occur at a device...
7515529 Efficient mechanism for fast recovery in case of border router node failure in a computer network  
A technique protects traffic (IP) against the failure of a border router between two domains in a computer network using Fast Reroute and backup tunnels. The border router (i.e., the “protected...
7512061 Recovery of state information of a first tunnel end-point  
A method for recovering state information of a first tunnel endpoint of a point to point connection between the first tunnel endpoint and a second tunnel endpoint, the state information comprising...
7512650 Physical layer recovery in a streaming data delivery system  
An asynchronous transfer mode (ATM) digital document delivery system is provided. A customer premise unit is configured to permit a customer to order and receive a data stream. A buffer is coupled...
7512062 Method to maintain the integrity of remote data by making it disposable  
In a networked system having a protected central server network connected to one or more satellite servers, the central server includes master data, and each satellite system includes replicated...
7512060 Method and apparatus for providing a connection matrix  
A method and apparatus for enabling restoration of connections upon failure within a high-speed data transfer architecture, such as SONET/SDH channel, is provided. The design detects health codes...