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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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;... |
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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... |
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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... |
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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,... |
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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... |
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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)... |
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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... |
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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... |
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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... |
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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... |
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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)... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |