Matches 1 - 50 out of 197 1 2 3 4 >


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US20110317548 METHOD OF AND DEVICE FOR RECOVERING FROM A ROOT BRIDGE FAILURE  
An active loop-free topology established by a Rapid Spanning Tree Algorithm and Protocol (RSTP) emanates from an original root bridge. Upon a bridge directly connected to the root bridge...
US20130094361 INTELLIGENT LAYER-2 FORWARDING  
One embodiment of the present invention provides a switch. The switch includes a port management module and a notification module. During operation, the port management module identifies a local...
US20130286858 MANAGEABILITY TOOLS FOR LOSSLESS NETWORKS  
Manageability tools are provided for allowing an administrator to have better control over switches in a lossless network of switches. These tools provide the ability to detect slow drain and...
US20130182581 IP MULTICAST OVER MULTI-CHASSIS TRUNK  
In embodiments of the present invention, multicast traffic is simultaneously routed via all switches participating in the trunk (can be referred to as partner switches). A respective partner...
US20130176863 METHOD AND APPARATUS FOR PROVIDING AUTOMATED PROCESSING OF A SWITCHED VOICE SERVICE ALARM  
A method and apparatus for providing automated processing of a switched voice alarm on a switched and/or Internet Protocol (IP) network are disclosed. For example, the method receives an alarm...
US20150103674 NETWORK LOOP PREVENTION  
Systems, methods and computer readable media for network loop detection and prevention are described. Some implementations can include a computerized method comprising detecting, at a first...
US20110255421 INVESTIGATING QUALITY OF SERVICE DISRUPTIONS IN MULTICAST FORWARDING TREES  
Methods, computer-readable storage media and systems may be provided for investigating a Quality of Service (“QoS”) disruption among nodes of a computer network that form a multicast forwarding...
US20100315955 AUTO VPN TROUBLESHOOTING  
The invention is directed to providing a method and system for automatically determining a root cause of a failure in a packet switching telecommunications network using IP/MPLS protocols and...
US20140185462 TROUBLESHOOTING METHOD AND APPARATUS  
A troubleshooting method includes sending a forward detection message to at least one node on a path to be detected. The forward detection message carries information about a forward path to be...
US20130242757 INTERCONNECTING SEGMENTED LAYER TWO NETWORK FOR CLOUD SWITCHING  
In one embodiment, a layer-2 network that includes a cloud switch is partitioned into a plurality of segments, each segment including one or more cloud switch domains that are coupled via a...
US20150180755 System and Method for Network Packet Event Characterization and Analysis  
A computer implemented method for network monitoring includes providing network packet event characterization and analysis for network monitoring that includes supporting summarization and...
US20140029443 INTERPROVIDER VIRTUAL PRIVATE NETWORK PATH IDENTIFICATION  
An inter-provider virtual provider network path is identified by identifying a provider network provider edge router having a provider edge interface serving, obtaining routing information from...
US20130107724 QUICK ADVERTISEMENT OF A FAILURE OF A NETWORK CELLULAR ROUTER  
Techniques for quick advertisement of a failure of a cellular router in a network are described herein. In one example, problems with the cellular router in the network are recognized, such as by...
US20140140220 PACKET SWITCH MODULES FOR COMPUTER NETWORKS WITH EFFICIENT MANAGEMENT OF DATABASES USED IN FORWARDING OF NETWORK TRAFFIC  
In a packet switch with databases (250, 404) used for packet forwarding, the database pieces are identified by version identifiers (410V) which are used by the packet switch's modules (LCx, RPM0,...
US20150146515 SYSTEM AND METHOD FOR RESILIENT WIRELESS PACKET COMMUNICATIONS  
Rapid failure detection and recovery in wireless communication networks is needed in order to meet, among other things, carrier class Ethernet transport channel standards. Thus, resilient wireless...
US20140241172 METHODS AND APPARATUS FOR REDUCING CALL DROP RATE  
Methods and apparatus for reducing voice call drop rate are disclosed. Existing devices do not account for the added burden of background services on voice calls. Specifically, multi-RAB scenarios...
US20130286857 DIAGNOSING NETWORK PROBLEMS IN AN IPV6 DUAL STACK NETWORK  
Embodiments of the present invention are directed to diagnosing problems in a dual stack network supporting Internet Protocol Version Six (IPV6). Inventoried information can be retrieved from an...
US20120127868 Method and System for Joint Detection of Ethernet Part Segment Protection  
The present invention discloses a method for detection of Ethernet segment protection, and this method includes: configuring a detection point in two segment protection domains with a shared link;...
US20150172154 MINIMIZING SYMMETRICAL LATENCY IMPACT BY JITTER BUFFER FOR TDM CES  
A method and system are provided for allowing time-alignment of teleprotection measurements of power signals. Teleprotection observations are communicated between teleprotection ends through a...
US20150016277 INTERCONNECT ERROR NOTIFICATION SYSTEM  
A IHS network includes a first switch having first switch ports and a respective visual port indicator associated with each of the first switch ports. A second switch having second switch ports is...
US20140362708 EMERGENCY COMMUNICATION SOLUTION  
A communication system for emergency communication comprises a communication server to establish an IP based voice communication between an endpoint and a monitoring center. In one implementation,...
US20130322263 METHOD AND APPARATUS FOR DETECTING A NETWORK IMPAIRMENT USING CALL DETAIL RECORDS  
A method and system for monitoring a packet network by using call detail records (CDRs) are disclosed. The method first receives at least one call detail record (CDR) at a completion of a call...
US20140043983 SERVICE PROBLEM DIAGNOSIS FOR MOBILE WIRELESS NETWORKS  
A method for determining location of a failure causing degradation of a service in a mobile communications network is disclosed. Service trajectories for the mobile terminals are determined (104)...
US20110007634 MULTIPLEXING APPARATUS AND CELL DISCARD METHOD  
An ATM multiplexing apparatus of the present invention is the apparatus for selectively performing cell discard processing in the case of congestion on the basis of a use state of the same...
US20140029444 TROUBLESHOOTING CLIENT ROAMING  
In an example embodiment, a service that analyzes location information of a client as the client roams. For example, whenever a trigger event occurs, such as a change in the association state, a...
US20120236730 METHOD, DEVICE AND SYSTEM FOR PROCESSING SERVICE TRAFFIC BASED ON PSEUDO WIRES  
The embodiment of the present invention relates to a method, device and system for processing service traffic based on pseudo wires, wherein the method includes: receiving service traffic from a...
US20100214932 VPN intelligent route service control point trouble diagnostics  
Systems and methods are described that analyze Layer 3 network performance between a network and its Intelligent Route Service Control Point (IRSCP) architecture to identify problems without...
US20110026410 System and Method for Comparing Packet Traces for Failed and Successful Communications  
The system and method get a packet trace for a failed communication and a packet trace for a successful communication. The two packet traces are generated with packets from a common protocol(s)...
US20130329572 MISDIRECTED PACKET STATISTICS COLLECTION AND ANALYSIS  
There are disclosed methods and apparatus for testing a network. One or more source port units may transmit packets, each packet including a packet group identifier (PGID) that identifies one or...
US20130343203 METHOD AND APPARATUS FOR PROVIDING END-TO-END CALL COMPLETION STATUS  
The present invention enables a method for following the state of a call and generating defects as function of call completion success as opposed to discrete events that happen at individual...
US20140133315 SYSTEMS AND METHODS FOR LISTENING POLICIES FOR VIRTUAL SERVERS OF APPLIANCE  
The present invention is directed towards a method for using a listening policy for a virtual server on an intermediary device. An intermediary device establishes for a first virtual server a...
US20150023183 USING DISCOVERABLE PEER-TO-PEER SERVICES TO ALLOW REMOTE ONBOARDING OF HEADLESS DEVICES OVER A WI-FI NETWORK  
The disclosure relates to using discoverable peer-to-peer (P2P) services to remotely “onboard” headless devices over a Wi-Fi network. In particular, an onboardee device may enter an onboarding...
US20050180332 Low latency interleaving and deinterleaving  
A method for interleaving contents of a frame begins by partitioning the frame into a plurality of frame segments, wherein the frame includes x rows of y columns of the content, and wherein at...
US20100046381 METHOD AND APPARATUS FOR PROCESSING OF AN ALARM RELATED TO A FRAME RELAY ENCAPSULATION FAILURE  
A method and apparatus for providing automated processing of an alarm related to a frame relay encapsulation failure on a packet network, e.g., a Virtual Private Network (VPN), are disclosed. For...
US20150215194 Smart Gateway  
A smart gateway is disclosed for use in a local network for detecting a network configuration, for detecting devices connected to the network, and for providing configurable signal conditioning to...
US20140226495 METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR PERFORMING DIAMETER ANSWER MESSAGE-BASED NETWORK MANAGEMENT AT A DIAMETER SIGNALING ROUTER (DSR)  
Methods, systems, and computer readable media for performing Diameter answer message-based network management at a Diameter signaling router (DSR) are disclosed. According to one method, a...
US20100322068 DIRECT TUNNEL ERROR HANDLING  
An apparatus is disclosed which according to an embodiment is configured to store a direct tunnel context. The direct tunnel context comprises a field or flag indicating whether or not a direct...
US20120106318 METHOD FOR IMPLEMENTING DUAL-HOMING  
The invention discloses a method for implementing dual-homing, including: setting each one of any two core control equipment as a standby for each other, connecting a network entity belonging to...
US20140160918 IDENTIFYING A LABEL-SWITCHED PATH (LSP) ASSOCIATED WITH A MULTI PROTOCOL LABEL SWITCHING (MPLS) SERVICE AND DIAGNOSING A LSP RELATED FAULT  
Provided is a method of identifying a Label-switched Path (LSP) associated with a Multi Protocol Label Switching (MPLS) service in a network. An MPLS service is identified in a network and logical...
US20120182881 Routing Protocols for Power Line Communications (PLC)  
Systems and methods for routing protocols for power line communications (PLC) are described. In some embodiments, a method may include transmitting a one-hop broadcast request message to a...
US20140269347 METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR ASSISTING WITH THE DEBUGGING OF CONDITIONS ASSOCIATED WITH THE PROCESSING OF TEST PACKETS BY A DEVICE UNDER TEST  
Methods, systems, and computer readable media for assisting with debugging of conditions associated with the processing of test packets by a device under test are disclosed. One method includes...
US20080062885 MAJOR PROBLEM REVIEW AND TRENDING SYSTEM  
Technology is disclosed for implementing a major problem review process. Incidents are recorded in a common data schema and the data is then used to facilitate an IT organization's major problem...
US20080002591 Multicast network monitoring method and multicast network system to which the method is applied  
Disclosed is a multicast network system including a multicast network which provides a plurality of relay nodes, and a monitoring server and a plurality of acknowledgment agents connected to the...
US20070076611 Detecting anomalies from acceptable traffic affected by anomalous traffic  
Detecting anomalies includes receiving acceptable traffic affected by an influencing interaction with anomalous traffic having anomalies. The influencing interaction yields an effect on the...
US20140126373 DYNAMIC TRAFFIC OFFLOADING  
Data services may be enhanced by mitigating the need for unplanned core network capacity expansion or network element upgrades and reconfiguration, by offloading data to an alternative network,...
US20140010092 PERVASIVE NETWORK DIAGNOSTICS USING HBAS  
Specially configured host bus adaptors (HBAs) are located in the switches in the fabric or added to a management server. The HBAs are programmed to perform higher level protocol analysis, such as...
US20120082038 ENABLING COEXISTENCE BETWEEN FDD AND TDD WIRELESS NETWORKS  
Systems and methods for detecting and mitigating interference between from a wireless time division duplex (TDD) communications device and a wireless frequency division duplex (FDD) communications...
US20070248003 Branch element for operation in a communication network, network and method for operating the branch element  
A branch element is specified for use in a communication network, whereby in the interplay of two branch elements designed according to the invention, a cleared fault in a communication medium...
US20150003259 NETWORK SYSTEM AND METHOD OF MANAGING TOPOLOGY  
In an open flow network, a load of a switch on a secure channel network when a controller maintains and updates a physical topology of the switch in the situation that a network among the switches...
US20130343202 ACCESS POINT SYNCHRONIZATION IN WI-FI FIRE DETECTION SYSTEMS  
Systems and methods of backup battery support for switches and access points in fire detection systems are provided. Methods can include identifying a communications time interval for a plurality...

Matches 1 - 50 out of 197 1 2 3 4 >