148 results about "Switched mesh" patented technology

A communications system includes a multiple-input / multiple-output (MIMO) architecture for high capacity switched mesh networks. The MIMO architecture has a plurality of radio frequency chains. One of the plurality of radio frequency chains is configured to apply a first frequency offset to a base frequency of an output signal to generate a first transmitting frequency; and another of the plurality of radio frequency chains being configured to apply a second frequency offset to the base frequency to generate a second transmitting frequency. The system uses the carrier frequency offset to lock the clock of the master subsystem to the clock of the slave subsystem, thereby enabling bandwidth expansion to be employed on the MIMO data streams.

The disclosure herein describes a system, which provides service switching in a datacenter environment. The system can include a service switching gateway, which can identify a service tag associated with a received packet. During operation, the service switching gateway determines a source client, a requested service, or both for the packet based on the service tag, identifies a corresponding service portal based on the service tag, and forwards the packet toward the service portal. The service switching gateway can optionally maintain a mapping between the service tag and one or more of: a source client, a required service, the service portal, and a tunnel encapsulation. The service switching gateway can encapsulate the packet based on an encapsulation mechanism supported by the service portal and forward the packet based on the mapping.

Application level switching of transactions at a gateway is provided. The gateway is configured to switch the transaction based on the application level content, a current state of a transport environment, and / or dynamic rules for switching transactions. For example, several possible service providers can be selected for the type of transaction, and the gateway can monitor not only the round-trip time through the network(s) to different possible service providers, but also the time required to complete the transaction at the application level and return a response. The application is chosen on the sending side of the network, and application level formatting is done on the sending side as well. The gateway uses modular code and data, and separate instances of processing code to allow dynamic updating. Rules for application service selection can be selectively uploaded to the gateway from a client. The rules for different available application services can be distributed across different gateways.

One embodiment disclosed relates to a method of handling oversubscribed ports between switches. An oversubscribed port is detected at a detecting switch. A set of paths exiting at the oversubscribed port is selected for retagging, and tags for the set of paths are invalidated. When packets with the invalidated tags are received, the received packets are retagged with a tag associated with a detour path. Another embodiment disclosed relates to a packet switch apparatus with oversubscribed port handling capability for use in a switching mesh. Another embodiment disclosed relates to a switching mesh including a capability to handle oversubscribed ports between switches.

The invention relates to a dynamic bandwidth allocation method for dynamically allocating the bandwidth of exchange network of distributive equipment. The destination end of the exchange network allocates total egress bandwidth to each source port once in every set time interval, and the maximal bandwidth allocated to each source port is the maximal allocated bandwidth of the source port. The bandwidth allocation is based on the congestion state and the measurement bandwidth of each source port, including allocating egress bandwidth satisfying the most basic bandwidth requirement to each source port. If the total egress bandwidth still has remains after allocating the basic bandwidth, the residual bandwidth is allocated to the source ports including the one reporting congestion until all of the bandwidths is allocated and the source port having the maximal allocated bandwidth exits the subsequent residual bandwidth allocation. The inventive dynamic bandwidth allocation method can predict the behavior in a future period according to the measurement bandwidth in the current time, thereby preventing the occurrence of congestion and effectively utilizing the limited egress bandwidth resources.

Disclosed herein is a system and method for virtual martial arts training using a network. The system includes a user terminal, a network server, a data management unit, and a network administrator terminal. The user terminal exchanges user information with a network server, selects a training discipline and grade or an examination discipline and grade, and transmits a difference value and a correction value together with a user motion image. The network server includes user information management means, training information management means, examination information management means, examination and determination management means, image information management means, and communication means. The data management means includes a user information database (DB), a training information DB, an examination information DB, an examination and determination DB, and an image information DB, and inputs and outputs the information. The network administrator terminal accesses the network server to exchange network administrator information, and manages the system.

The embodiment of the invention discloses a service data transmission method and a device. The service data transmission method comprises the following steps: obtaining pre-configured time slot resource information of a switching network for service; obtaining a service data unit which carries a service identifier; determining time slot resources of the switching network of the service data unit according to the service identifier and the pre-configured time slot resource information of the switching network for the service; and sending the service data unit to the switching network in the corresponding time slot according to the determined time slot resources of the switching network. A transmitting node in the scheme pre-configures the time slot resources of the switching network for the service, and the service can be sent according to the service identifier carried in the service data unit and the pre-configured time slot resources of the switching network for the service after obtaining the service data unit. The application of the technical scheme provided by the embodiment of the invention can effectively ensure the jitter performance of the service.

The invention provides a method, a system and a device for flux control and the steps as follows are carried out in connection with the periodicity of the outgoing cards: in the current period, the token number corresponding to the flux of the output data frame of an output queue (OQ) arranged in light of the outgoing line cards is confirmed; the tokens are distributed to a virtual output queue (VOQ) by taking the outgoing cards as targeted line cards, so that the total number of the tokens distributed is less than or equal to the confirmed token number; the data frames are sent out according to the flux corresponding to the self-distributed token number by the virtual output queue (VOQ). That is to say, by distributing the tokens, the method, the system and the device distribute the bandwidth output by an exchange network to the outgoing card to the bandwidth input by an ingoing line card to the exchange network, thus preventing the bandwidth of the input exchange network from exceeding the bandwidth output by the exchange network, avoiding data loss phenomenon caused by the buffer overflow of the core exchange unit (FU) of the exchange network and ensuring the quality of service (QoS) of the data exchange business.

The invention discloses a method and a device for transmitting time division multiplexing service through an IP exchange network. The method comprises bearing TDM signals by using an IP pack, packaging the TDM signals into an IP net charge in a TDMoIP frame format, and transmitting to a packet switching network; and receiving the TDMoIP frame from the packet switching network, and carrying out corresponding service after extracting the TDM signals from the TDMoIP frame. The device comprises a TDMoIP frame organizing module, a transmitting module, a forwarding table searching module, a MAC / GMAC device, a receiving module, and a TDMoIP frame decomposing module, and may also comprises a TDM small switching module, a multiplexing module and a demultiplexing module. The invention achieves TDM signal package by using the IP pack so as to achieve more convenient and fast network capacity expansion, and the time gap interleaving multiplexing technique can improve the length of net charges of the TDMoIP frame so as to reduce the cost of pack-front catchword, MAC head and IP head of the Ethernet accordingly and improve the utilization rate of the network bandwidth.

A bi-directional line switched mesh includes at least one bi-directional line switched ring (BLSR) sharing a common section with a partial bi-directional line switched ring (PBLSR). The partial bi-directional line switched ring has no working traffic along the common section, but may utilize the protection bandwidth associated with the common section of the BLSR in the event of a span failure of the PBLSR. Both electrical and optical PBLSR networks are also disclosed including methods of operating the asymmetrical ring nodes having unconfigured working ports (spans).

The invention discloses a scheduling method, device and system of a data exchange network. According to the embodiment of the invention, input port equipment is used for measuring a VOQ (Virtual Output Queue), and then a request bandwidth is calculated according to a measured result. Compared with the method for determining the request bandwidth by taking a priority level of a data flow according to the cache state of the data flow in the prior art, the method for calculating the request bandwidth has the advantages that the current state of the data flow can be more accurately reflected, so that the data scheduling between the input port equipment and the VOQ can be more reasonable and effective, and the data scheduling can be adapted to the actual state of the current network. Therefore, the scheduling method, device and system of the data exchange network can be more suitable for a large-sized, high-speed and long-distance exchange network.

The present invention relates to a car special-purpose information service communication system and its method. It includes calling service centre, radio communication terminal which is communicated with calling service centre by means of public telecommunication exchange network. The described calling service centre includes speech service platform and short message service platform, and the described radio communication terminal is a universal radio mobile telephone with special-purpose car information service menu. By creating said system the car user can make inquiries of calling service center by means of radio mobile telephone at all times and places, and can quickly and conveniently obtain various informations about car services. It can provide more complete function and after-service for car user.

Technology for rerouting a data stream in a communication circuit switched mesh network comprising one or more cross-connecting nodes, the data stream comprises a plurality of data frames each associated with at least one overhead byte, and the rerouting is performed by using a path identifier while switching the data stream at one or more cross-connecting nodes; the path identifier is carried by at least one overhead byte associated with at least one of the data frames.

The application provides a message forwarding method and device. The method comprises the following steps: a first interface board receiving a first VXLAN message carrying the first VNI, de-encapsulating the first VXLAN message to obtain the VLAN message, and adding the first VLAN identifier corresponding to the first VNI to the VLAN message to send to a switching network board; the switching network board acquiring the outlet interface corresponding to the VLAN message and the second VLAN identifier; replacing the first VLAN identifier in the VLAN message using the second VLAN identifier, and sending to a second interface board from the outlet interface; the second interface board using the second VNI corresponding to the second VLAN identifier to encapsulate the VLAN message to obtain a second VXLAN message, and forwarding the second VXLAN message to opposite-end distributed switching equipment. Through the combination of the interface of the distributed switching equipment and the switching network board, the VXLAN three-layer gateway is realized, and the message forwarding of each of the interface board and the switching network board is realized in a switching chip, and the forwarding efficiency is high.

The invention relates to a packing and unpacking method of an ultra high-speed optical burst-switched network and a system thereof. The packing method comprises the following steps: 1) gathering an electric field IP data packet; 2) generating offset time after the gathered IP data packet is subject to route analysis, and forming an optical control packet; 3) modulating the IP data packet into an optical signal, and performing rate multiplication to the modulated optical signal to form an optical data packet; 4) forming a packet optical bursting packet by the optical control packet and the optical data packet, and transmitting the packet optical bursting packet. The invention provides the packing and unpacking method of ultra high-speed optical burst-switched network and the system thereof, which ensures that OBS network has high transmission rate, simple structure and low cost.

The invention discloses a method and a device for controlling switching communicated network flow. The method comprises the steps of: monitoring the lengths of a unicast virtual output queue and a multicast virtual output virtual queue in real time, and when the length of a certain queue exceeds a jamming threshold, generating a jamming indication signal, and adding a jamming identification on all cell heads of corresponding output ports; detecting in real time whether cells access the jamming queue, and if so, sending out a cell queue-accessing notification message; and judging whether the quantity of the cells accessing the jamming queue reaches a preset threshold or not according to the cell queue-accessing notification message, and if so, adding a link level fluid control effective indication signal on all the cell heads output by the corresponding output ports. The device comprises a jamming detection module and a back pressure module. The invention solves the problem of unreasonable solutions to jamming of unicast / multicast communication modes in the prior art.

Technology for rerouting a data stream in a communication circuit switched mesh network comprising one or more cross-connecting nodes, the data stream comprises a plurality of data frames each associated with at least one overhead byte, and the rerouting is performed by using a path identifier while switching the data stream at one or more cross-connecting nodes; the path identifier is carried by at least one overhead byte associated with at least one of the data frames.

The invention relates to a method and a device for receiving and playing multimedia programs through a mobile terminal, which is used for a terminal to switch from the mode of receiving and playing multimedia broadcast programs from a broadcast network to downloading corresponding stream media data from a switched network. The method comprises the following steps: searching target equipment information of corresponding stream media data according to information of a current program of the broadcast network and acquiring position information to be played after switching the current program when the terminal needs switching; and downloading the corresponding stream media data to be played in the current program from the target equipment to perform playing. The method is implemented through providing corresponding devices. When the continuous reception effect is influenced by poor signals when the terminal receives and plays the multimedia broadcast programs through the broadcast network, the method can automatically switch or manually switch the terminal to a mobile interactive network to download the stream media with the same content for continuous playing, thus the reception experience of users can be improved as far as possible.

The invention provides an IMS signaling analysis system for a power switching network and a method. The system comprises a core signaling processing unit, a plurality of servers and a mirror image switch, the mirror image switch is a multi-layer network switch supporting a port mirror image function, signaling data of each core network element of an IMS and signaling data of an access network terminal are sent to the corresponding servers in a port mirror image mode, and each server communicates with the core signaling processing unit; core signaling processing unit is configured to filter theacquired signaling data; signaling data of a non-SIP protocol is filtered out; SIP messages can be preserved, and the message type and the message flow information of the SIP message can be determined according to the message key field, a signaling flow chart of the SIP message can be drawn according to the message type and the message flow information of the SIP message, and fault diagnosis operation and maintenance processing is carried out in combination with the signaling flow chart of the SIP message and the message key field of the SIP message.

A system and method of communication, comprising establishing a first connection between the user equipment and a first non-public packet switched network which assigns a first non-public packet switched network address to user equipment; establishing an open signaling channel which communicates between the user equipment and a remote server through a cellular telephone network according to a public switched telephone network address associated with an International mobile subscriber identity; communicating an identification of the first non-public network and the first non-public packet switched network address over the open signaling channel to the remote server; and establishing a real time voice communication from the remote server to the user equipment through the first connection based on a call routed through the remote server to the public switched telephone network address.

The invention discloses a fax system and method based on satellite mobile communication. The fax system comprises a first fax machine, a satellite mobile terminal, a mobile communication satellite, agateway station subsystem, a core network, a relay media gateway, a public switched telephone network (PSTN) and a second fax machine. The faxing method comprises the following steps: a data fax method between two first fax machines and a data fax method between the first fax machines and a second fax machine. By using the fax method, the fax service application problem based on a satellite mobilecommunication network can be solved, the fax service interconnection and intercommunication problem of the satellite mobile communication network and a traditional PSTN network is solved, and alternate transmission of voice services and fax services is achieved. In conclusion, the system has the advantages of being complete, high in intelligent degree, convenient to use and the like.

The invention discloses a method and system for instantly notifying missed calls of multiple accounts in an IMS network, and the method comprises the steps: sequentially stripping Ethernet frames in mirror image flow data on an IMS network switcher, and obtaining an SIP message; analyzing the SIP message, extracting the calling identifier, the calling number and the called number from the head domain of the SIP message, and storing the calling number and the called number into a memory queue after duplicate removal; and obtaining the calling number and the called number from the memory queue,and if the called user subscribes the missed call instant notification service, sending a notification message to notify the user in time. According to the invention, missed calls in the IMS administrative switching network can be processed immediately, and telephone terminal users are no longer restricted by fixed-line telephones; aiming at a single-user multi-account communication system, integration notification is carried out; only services are provided for subscribers, invalid notifications are avoided, and server resources are saved; the content of the notification message is detailed information, thereby facilitating the instant processing of office staff.

This invention discloses a method for realizing simulation service of public phone exchange nets including: A, a POTS terminal is endowed with a service property, B, the PSTN service control unit initiates corresponding trigger event subscribing request to the applied service property to send SIP message to said POTS terminal, C, a SIP user proxy node receives and analyzes the SIP message to establish a subscribing example of said trigger event packet, D, the node receives the trigger signals described by the packet to send SIP information to the PSTN service control unit, E, the control unit analyzes said SIP message and triggers said applied service property of the POTS terminal, in which, after a POTS terminal is accessed to a packet core net using the SIP as the call control signaling, it can still use the PSTN simulation service.

The invention relates to a method and a system for transmitting TDM services in MicroTCA, which includes adding TDM channels on the backplane of a standard MicroTCA platform by using AMC Ports 18 to 20, and adding TDM channels and switching networks on the corresponding AMC boards at the same time. A standard chassis supports 9 slots of TDM services, and each slot provides 32 time slots, which can meet the needs of many services to access the TDM switching network and achieve the purpose of transmitting TDM services on the MicroTCA platform.

The invention provides a data transmission system, a data transmission method and a data transmission device, and the method comprises the steps that a first subnet server is used for building a communication channel with a second subnet server through a session boundary controller and an exchange network after the first subnet server determines that the safety authentication of a verification account allocated to the exchange network is passed, a data acquisition request is sent to the second subnet server, and file data fed back by the second subnet server is received by the session boundary controller and the switching network; a session boundary controller is used for carrying out transceiving and security authentication on the data acquisition request and the file data; an exchange network is used for transmitting the data acquisition request and the file data and performing security verification on the verification account; and a second subnet server is used for receiving a data acquisition request transmitted through the session boundary controller and the switching network and sending file data to the first subnet server. According to the invention, after the data in the exchange network passes the security authentication of the session boundary controller, two subnet servers transmit the data to ensure the security of the data during interaction.

The invention discloses an on-chip structure and a communication method of broadcast light based on a micro-ring power divider and an organization, for improving structural scalability and broadcast communication efficiency, reduce the difficulty of integrated design and the power consumption of control circuit, includes M * N super nodes, M globally switched networks, N local switching networks and M * N * (M+N) third optical waveguides, M >= 2, N >= 2, M * N super nodes are divided into N groups, each group M, the mth super node in the nth group is denoted by Sn, m, 1 <= n <= N, 1 <= m <= M,each super node includes M compute nodes, one crossover switch, two light modulators and M+N-2 optical demodulators, each global switching network includes N micro-ring power dividers, each local switching network includes M micro-ring power dividers, According to n, m, each super node connects a local switching network and a global switching network, and calculates the super node group number ofthe destination node and the number within the super node group to communicate with the local switching network, the global switching network or the local switching network and the global switching network.

There is disclosed a network communication system that includes data sources and of switches. Each of the data sources and switches is interconnected by a packet-switched network, and is synchronized to a common clock. The system also includes a network controller that maintains records of network characteristics including a transmission delay for each of the data sources and switches, and a transmission delay for links in the packet-switched network. The network controller processes the network characteristics to generate, for each of a plurality of packets of a given type of traffic: a path from a particular data source, and through at least one particular switch, and a schedule of departure times at each of the particular data source and the at least one particular switch. The path and the schedule are optimized to meet jitter requirements for the given type of traffic.

An unlicensed-radio access network includes an access controller (303) adapted to communicate with the core network portion of a public mobile communication network (20) and connected to a broadband packet-switched network (302). The access controller receives messages from mobile stations via the broadband packet-switched network. The access controller comprises a screening module (3031-3034) for monitoring information received from a mobile station and a connection controller (3035) coupled to the screening module for controlling the connection between the mobile station and the access controller. The screening module is adapted to determine whether a mobile station is permitted to connect to the access controller, and the connection controller is adapted to terminate a connection with the mobile station if the screening module determines that the mobile station is not permitted to connect to the access controller.

The invention provides a software defined switching network communication method / system, a readable storage medium and a device. The software defined switching network communication method comprises the following steps: when a network communication request appears in a software defined switching network, calculating a communication path among a virtual switch, a forwarding switch and an external network egress switch; allocating labels for route switching to the virtual switch, the forwarding switch and the external network egress switch; and establishing a label-based data flow table corresponding to the virtual switch, the forwarding switch and the external network egress switch according to the communication path, and issuing the data flow table. According to the software defined switching network communication method / system, the number of SDN network flow tables is effectively reduced by multi-flow table grading, the performance of the switch can be effectively improved, the speedof data communication can be effectively improved, the existing physical SDN switch networking can be supported, the expansion of network functions can be supported, the software defined switching network communication method / system have the ability of adapting to different cloud computing platforms and solve the contradiction between network flexibility and performance in existing cloud computingenvironments.