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US20150055662 INTERNET GROUP MANAGEMENT PROTOCOL (IGMP) LEAVE MESSAGE PROCESSING SYNCHRONIZATION  
Embodiments relate to synchronizing Internet Group Management Protocol (IGMP) leave processing in a system. One embodiment includes a system with a first access switch, a first virtual switch...
US20100329285 MECHANISM FOR CLOCK SYNCHRONIZATION  
A method and apparatus for synchronizing time between a master device and a target device arranged across a network, wherein the target device communicates to the master device through a PCIe...
US20100315988 METHOD AND BASE STATION FOR SYNCHRONIZING SIGNALING MESSAGE  
According to the invention, it provides a method for synchronizing a signaling message transmitted over multi-cell MCCH. The method comprises the following steps: transmitting, by a gateway, the...
US20130170507 TIME SYNCHRONIZATION FOR NETWORK TESTING EQUIPMENT  
The invention relates to time synchronization between network testing elements in distributed network monitoring and testing systems, and provides a condensed PTP process wherein the number of...
US20110026464 METHOD FOR SYNCHRONIZING BETWEEN A GATEWAY AND BASE STATIONS AND CORRESPONDING GATEWAY AND BASE STATION  
A method for synchronizing between an access gateway and a plurality of base stations is provided, which comprises the following steps of: at the gateway, determining (S1) a synchronization period...
US20130182723 COMMUNICATIONS SYSTEM AND RELATED METHOD FOR REDUCING CONTINUITY CHECK MESSAGE (CCM) BURSTS IN CONNECTIVITY FAULT MANAGEMENT (CFM) MAINTENANCE ASSOCIATION (MA)  
In accordance with a non-limiting example, a system and method minimizes collisions between transmitted connectivity fault management (CFM) packets. Maintenance association endpoints are formed...
US20110019681 METHODS AND SYSTEMS FOR CARRYING SYNCHRONIZATION OVER ETHERNET AND OPTICAL TRANSPORT NETWORK  
The present disclosure relates to carrying synchronization through Ethernet, Optical Transport Network (OTN), and other asynchronous protocols. In one exemplary embodiment, timing markers or...
US20140247839 TIME SYNCHRONIZATION IN DISTRIBUTED NETWORK TESTING EQUIPMENT  
The invention relates to time synchronization between network testing elements in distributed network monitoring and testing systems, and provides a method for synchronizing packet timestamps...
US20140294021 Method of Routing Synchronization Messages  
A method of routing synchronization messages in a packet communication network, in which a packet is routed using a global routing table. A piece of equipment in the network implements the...
US20110142077 NETWORK SYNC PLANNING AND FAILURE SIMULATIONS  
The invention is directed to a method and system for providing synchronization clock performance simulation in a timing-over-packet network having a network management system. The system retrieves...
US20120099608 Synchronization Method and Device  
A synchronization method is disclosed, including: obtaining a synchronization symbol position {circumflex over (d)}0 of one time slot of an initial update period; taking Ntrack frames as an update...
US20110051754 MEASUREMENT AND ADJUSTMENT OF REAL-TIME VALUES ACCORDING TO RESIDENCE TIME IN NETWORKING EQUIPMENT WITHOUT ACCESS TO REAL TIME  
A system and method of synchronizing clocks in a distributed network is disclosed. A simple 1-pulse-per-second timing pulse is routed to time-stamping units in each network device and utilized to...
US20120300794 GUARDIAN SCRUBBING STRATEGY FOR DISTRIBUTED TIME-TRIGGERED PROTOCOLS  
A cluster comprises a plurality of end nodes that communicate with one another over at least one communication channel. Each end node is assigned a time slot for transmission of frames; wherein...
US20110122775 METHOD AND SYSTEM FOR ANALYZING AND QUALIFYING ROUTES IN PACKET NETWORKS  
Routes of a packet network are analyzed according to various transit delay metrics. Preferred packet network routes are selected between source and destination based on these metrics. In packet...
US20140036935 SYSTEM AND METHOD FOR REAL-TIME DETECTION, IDENTIFICATION AND REPORTING OF MAC-SYNC FAILURES IN DISTRIBUTED TRUNKING  
A system and method for real-time detection, identification, and reporting of mac-sync failures in distributed trunking (DT) are disclosed. In one example, a mac-sync failure between a pair of...
US20140334477 METHOD AND DEVICE FOR SYNCHRONIZING NETWORK SUBSCRIBERS IN AN ON-BOARD NETWORK OF A VEHICLE  
A method is disclosed for synchronizing network subscribers in an on-board network of a vehicle, the method comprising: receiving a message dependent on a first clock present in a first network...
US20110150008 AUTOMATIC MANAGEMENT OF TIMESTAMP-BASED SYNCHRONISATION PROTOCOLS  
A method for automatic management of a timestamp-based synchronization protocol within a packet-based network to synchronize a slave within a synchronization topology including a plurality of...
US20110200051 ETHERNET NETWORK SYNCHRONIZATION SYSTEMS AND METHODS  
The present disclosure relates to Ethernet synchronization systems and methods that combines Synchronous Ethernet (Sync-E) and Precision Time Protocol (PTP) IEEE 1588 algorithms. The present...
US20110150005 Network Slave Node and Time Synchronization Method in Network Applying the Same  
Provided are a network slave node and a time synchronization method using precision time protocol-like (PTP-like) in a network. The network slave node includes a packet detection unit for...
US20130163617 MULTI-PROTOCOL I/O INTERCONNECT TIME SYNCHRONIZATION  
Described are embodiments of methods, apparatuses, and systems for time synchronization of a multi-protocol I/O interconnect of computer apparatus. A method for synchronizing time across the...
US20150131682 METHOD TO DETECT SUBOPTIMAL PERFORMANCE IN BOUNDARY CLOCKS  
In one example embodiment, a method to detect suboptimal boundary clocks is described for a node in a communications network. The method can include determining a benchmark value for a clock in a...
US20110142079 NETWORK IMPAIRMENT METRICS FOR TIMING OVER PACKET  
The invention is directed to providing a system and method for monitoring a clock synchronization metric in a timing-over-packet system to provide a metric for service-level agreements (SLA), by...
US20080273460 METHODS AND SYSTEMS FOR COMMUNICATION BETWEEN NETWORK ELEMENTS  
A system for synchronizing a first network device and a second network device. The first network device comprises an interface configured to release over a communication link a first signal...
US20110013564 MOBILE STATION AND METHOD FOR INTERWORKING WITH BASE STATION COMPATIBLE WITH FIRST AND SECOND PROTOCOLS  
This invention provides a Mobile Station (MS) interworking with a Base Station (BS) which is compatible with a first protocol and a second protocol, the MS comprising: a synchronizing unit for...
US20150163000 METHOD AND DEVICES FOR SYNCHRONIZATION USING LINEAR PROGRAMMING  
This invention relates to methods and devices for synchronization using linear programming, especially over packet networks using, for example, the IEEE 1588 Precision Time Protocol (PTP). Timing...
US20120063473 HIGH QUALITY TIMING DISTRIBUTION OVER DSL WITHOUT NTR SUPPORT  
A method and system in which a Digital Subscriber Line Access Multiplexer (DSLAM) that is part of a DSL (Digital Subscriber Line) system is able to provide synchronous services to end user...
US20110268139 SYNCHRONIZING NODES OF A MULTI-HOP NETWORK  
A method for synchronizing nodes of a multi-hop network with a Time Division Multiplex Access scheme (TDMA), the nodes being hierarchically arranged in different levels, including a step of...
US20120027414 Transparent Clocks in Access Networks  
An apparatus comprising a device at an access node (AN) comprising an interface, a Precision Time Protocol (PTP) engine, and a timestamp module, and a second device at a customer premise node...
US20110051752 method for clock link automatic protection in packet transport networks  
A method for clock link automatic protection in packet transport networks is disclosed. The method includes that: extending the clock synchronization status message to allow said clock...
US20120170597 SYNCHRONIZING MULTIPLE SYSTEM CLOCKS  
Techniques are disclosed for synchronizing multiple clock sources of a system, and may include: determining time of a first clock at a first and second time instants; determining time of a second...
US20120051374 System and Method for Time Synchronization in a Communication Network  
A system and method for time synchronization in a communication network. The communication network includes a plurality of network nodes each having a respective internal clock, and a reference...
US20110142078 NETWORK TIMING TOPOLOGY VIA NETWORK MANAGER  
The invention is directed to providing a method and system for monitoring and managing from a network management entity, timing-over-packet synchronization performance in a packet switching...
US20140185632 Network and Method for Implementing a High-Availability Grand Master Clock  
In a network based on IEEE 1588, comprising a plurality of nodes (201, 501) and a plurality of connections where each connection connects at least two nodes to allow communication between nodes...
US20130329752 REMOTE RE-MULTIPLEXING WITH PACKET INCLUSION  
In one system embodiment, a master re-multiplexer may be configured to receive an indexed transport stream, re-multiplex the indexed transport stream by performing a set of re-multiplexing...
US20090135854 SYSTEM AND METHOD FOR CLOCK SYNCHRONIZATION  
A system and a method are provided for clock synchronization. The method includes receiving a new transmitter timestamp based upon a transmitter clock, determining a new transmitter timestamp...
US20080049794 Device, System and Method of Communicating Between Circuit Switch Interfaces Over an Analog Modulation Communication Network  
Some demonstrative embodiments of the invention include a method device and/or system of communicating circuit switch information, e.g., between two or more circuit switch interfaces, over an...
US20110103407 Network Traffic Synchronization Mechanism  
Methods, apparatuses and systems directed to a network traffic synchronization mechanism facilitating the deployment of network devices in redundant network topologies. In certain embodiments,...
US20130077642 SYSTEMS AND METHODS UTILIZING RANDOMIZED CLOCK RATES TO REDUCE SYSTEMATIC TIME-STAMP GRANULARITY ERRORS IN NETWORK PACKET COMMUNICATIONS  
Systems and methods are disclosed for utilizing slave (receive) time-stamp clock rates that are different from master (sender) time-stamp clock rates to randomize and thereby reduce systematic...
US20150016476 METHOD AND SYSTEM FOR OPTIMIZING SHORT TERM STABILITY OF A CLOCK PULSE  
A system for optimizing short-term stability of a clock source clock pulse synchronized with a long-term stable reference-clock transmits clock numbers of a first reference clock to the clock...
US20060088064 Trejon interlink system  
The Trejon Interlink System will allow you to watch the same movie on the big screen simultaneously right on your Rear-Seat Entertainment System or a video screen. This system will be built upon a...
US20120002558 PACKET PROTOCOL PROCESSING WITH PRECISION TIMING PROTOCOL SUPPORT  
Device and methods determine timing parameters and associated timing actions from timing messages in communication packets. The timing messages may be encapsulated with plurality of communication...
US20100329284 CENTRALIZED NODE CLOCK AUTO RECONFIGURATION  
The invention is directed to a method and system for providing centralized automated synchronization clock reconfiguration in packet switched telecommunications networks having network nodes that...
US20150139250 SYNCHRONIZED NETWORK STATISTICS COLLECTION  
A system, method, and computer program product are provided for collecting a snapshot of the statistics of a computer network. The devices of the network that provide the statistics synchronize...
US20130058362 Receiving Apparatus and Method for Multi-Frame Synchronization  
The present invention discloses a multi-frame synchronization method, the method comprises: for each received sub-frame, a receiver determining a probability that the received sub-frame is each of...
US20140056312 Spectrum Management and Timing Optimization Over Multiple Distribution Points  
Presented are systems and methods for spectrum management and timing optimization of communication networks have multiple distribution points, multiple remote transceivers, and a shared...
US20110051753 WIDEBAND CABLE SYSTEM  
A wideband cable modem system increases available bandwidth of a single channel by encoding a data stream into wideband packets. The wideband packets are associated with a logical wideband channel...
US20110274124 Method and Device for Packet Network Synchronization  
A method is described for synchronizing a clock of a client (104) in a packet based communication network (100) with respect to a reference time provided by a timeserver (106). Packets (112)...
US20060083169 Method and/or system for transferring/receiving audio and/or video signals and minimizing delay time over internet networks and relating apparatuses  
A method and system for transferring/receiving audio and/or video signals and minimizing delay time over Internet networks including, in transmission, converting, analog audio and/or video input...
US20110090925 METHOD FOR SYNCHRONIZATION IN NETWORKS  
The invention relates to a method for synchronization in networks, whereby the local time (hloc) which is valid at the particular node, is updated at different nodes. For that purpose, timing...
US20060251128 Digital wiring system for vehicles  
The invention relates to a simplified digital wiring system for vehicles. The invention comprises a synchronisation generator (2) which is connected to a plurality of multiplexer modules (1a, 1b,...