| Patents for H04L 12 - Data switching networks (448,999) |
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| 12/23/2009 | CN100574288C Data link layer device for a serial communication bus |
| 12/23/2009 | CN100574287C Managing a packet switched conference call |
| 12/23/2009 | CN100574286C Radio communication system and method for operating same |
| 12/23/2009 | CN100574285C System and method for processing e-mail using presence information |
| 12/23/2009 | CN100574284C Operation control method of distributed router system |
| 12/23/2009 | CN100574283C Upstream and downstream transmitting method and convergent node |
| 12/23/2009 | CN100574282C Point-to-point information transfer method, system and network gateway unit |
| 12/23/2009 | CN100574281C Switching system routing table management method |
| 12/23/2009 | CN100574280C Method for realizing separate service in light burst exchange network |
| 12/23/2009 | CN100574279C Method, device and system for obtaining route expense |
| 12/23/2009 | CN100574278C Method and device for refreshing token bucket in flow limiting technology |
| 12/23/2009 | CN100574277C Method and apparatus for global statistics in multi-core system |
| 12/23/2009 | CN100574276C Control method for reinforcing uplink random access in time division synchronization code division multiple access system |
| 12/23/2009 | CN100574275C Packet communication device |
| 12/23/2009 | CN100574274C Transmission system and method for radio link protocol |
| 12/23/2009 | CN100574273C Two layer network architecture system, implementing method and head compression and nondestructive transference method thereof |
| 12/23/2009 | CN100574272C Method of discovering automatic VLAN ID and net terminal |
| 12/23/2009 | CN100574271C Method for providing group broadcasting based on broadcast instruction of server |
| 12/23/2009 | CN100574270C Method for selection of a strategy for re-routing of circuits in a communication network and network with said method |
| 12/23/2009 | CN100574269C Method for matching with link weight according to optimized task distribution |
| 12/23/2009 | CN100574268C Modular type node apparatus for packet communication |
| 12/23/2009 | CN100574267C System for supporting communications among ATM devices, data transmission method and its support device |
| 12/23/2009 | CN100574266C Packet transfer apparatus |
| 12/23/2009 | CN100574265C Data packet processing method and system in wireless data network |
| 12/23/2009 | CN100574264C Communication system and communication method |
| 12/23/2009 | CN100574263C Method and equipment for controlling the congestion management and scheduling of transmission-link capacity in packet-switched telecommunications |
| 12/23/2009 | CN100574262C Method and equipment for performing aggregate-portion-specific flow shaping in packet-switched telecommunications |
| 12/23/2009 | CN100574261C 分组数据通信 Packet data communication |
| 12/23/2009 | CN100574260C Communication system, communication method, communication terminal device, control method thereof |
| 12/23/2009 | CN100574259C Communication control method, communication control apparatus |
| 12/23/2009 | CN100574258C Network node of a packet switching communications network and method for the distribution of data traffic in a packet switching communications network |
| 12/23/2009 | CN100574257C Pre-empting low-priority traffic with high-priority traffic |
| 12/23/2009 | CN100574256C Method for ensuring adequacy of transmission capacity, terminal employing the method |
| 12/23/2009 | CN100574255C VoIP communication apparatus, call number information analysis method using the same system |
| 12/23/2009 | CN100574254C Method for handling cross-over network address conversion apparatus and conversation starting protocol server |
| 12/23/2009 | CN100574253C A method of fragmented packet transmission |
| 12/23/2009 | CN100574252C Arrangement for topology update between mobile routers |
| 12/23/2009 | CN100574251C Interface device and transmitting method for multiple protocol label exchanging route system |
| 12/23/2009 | CN100574250C A time shift service system and method |
| 12/23/2009 | CN100574249C Transfer method and device of the virtual router redundancy protocol message |
| 12/23/2009 | CN100574248C Stream media service system based on controllable P2P technology and realizing method thereof |
| 12/23/2009 | CN100574247C Ethernet tunnel processing method and communication system and related equipment |
| 12/23/2009 | CN100574246C Full optical VPN system based on orthogonal modulation code |
| 12/23/2009 | CN100574245C Wireless LAN module for maintaining connection and method thereof |
| 12/23/2009 | CN100574244C Network system and authentication method |
| 12/23/2009 | CN100574243C Wireless slave unit |
| 12/23/2009 | CN100574242C Method and equipment for relay in switch |
| 12/23/2009 | CN100574241C Local network having redundancy properties, and coupling equipment for the network |
| 12/23/2009 | CN100574240C Access equipment based on Ethernet bus and its host-slave frame communication method |
| 12/23/2009 | CN100574239C Network telephone technique based fixed mobile combination system and method |
| 12/23/2009 | CN100574238C Coaxial Ethernet physical layer data processing method and equipment thereof |
| 12/23/2009 | CN100574237C Proxy access method, control network equipment and proxy access system |
| 12/23/2009 | CN100574236C Heterogeneous medical information integrated system based on HL7 agent server |
| 12/23/2009 | CN100574235C Method and apparatus for context-based prefix updates in border gateway protocol |
| 12/23/2009 | CN100574234C System and methods for network path detection |
| 12/23/2009 | CN100574233C Service capturing system and method |
| 12/23/2009 | CN100574232C Method for implementing concurrent calling function in multimedia calls |
| 12/23/2009 | CN100574231C Network device and frame processing method thereof |
| 12/23/2009 | CN100574230C Remote control device, wireless family network system and automatic switch broadcasting method |
| 12/23/2009 | CN100574229C Broad band access device and method for supporting multiple service transmission |
| 12/23/2009 | CN100574228C Secure and seamless roaming between internal and external networks, switching between double and triple tunnel, and protecting communication between home agent and mobile node |
| 12/23/2009 | CN100574227C Network management information route setting method of optical transmission apparatus for synchronizing digital series |
| 12/23/2009 | CN100574226C Business promoting method based on multi element address for automatic switch optical nework element |
| 12/23/2009 | CN100574225C Automatic testing method and automatic testing system of journal |
| 12/23/2009 | CN100574224C Detection method and equipment for industrial Ethernet data monitoring |
| 12/23/2009 | CN100574223C An identification method for distributed collaboration network coordinate based on position fusion |
| 12/23/2009 | CN100574222C Communication apparatus and communication method |
| 12/23/2009 | CN100574221C Multi-system error code management method, device and system |
| 12/23/2009 | CN100574220C 数据备份方法与应用处理系统 Data backup method and application processing system |
| 12/23/2009 | CN100574219C Super-node selection and resource search method for peer network with node priority |
| 12/23/2009 | CN100574218C Method for establishing artificial distinct network |
| 12/23/2009 | CN100574217C A method and system for computing the reliability index of the single board |
| 12/23/2009 | CN100574216C Method of managing multi-logical link ID optical network unit in Ethernet passive optical network |
| 12/23/2009 | CN100574215C Device and method for monitoring multiple heterogeneous network elements |
| 12/23/2009 | CN100574214C Realizing method for protecting mobile network resource |
| 12/23/2009 | CN100574213C Network element device configuration method in the passive optical network |
| 12/23/2009 | CN100574212C Information management system, information processor, and information management method |
| 12/23/2009 | CN100574211C Network equipment capable of generating electric-breaking signal |
| 12/23/2009 | CN100574210C An access control method based on non-grade inter-role mapping |
| 12/23/2009 | CN100574209C System and method for realizing mobile value-added safety service |
| 12/23/2009 | CN100574208C Recovery method and device based on connecting in optical network |
| 12/23/2009 | CN100574207C Method for operating and maintaining direct communication between client terminal and remote-apparatus |
| 12/23/2009 | CN100574206C Broadcasting signal self-adaption transmitting system and method |
| 12/23/2009 | CN100574205C Method for establishing instant communication network neighbor |
| 12/23/2009 | CN100574204C Remote control system, remote commander, apparatus to be controlled in remote control |
| 12/23/2009 | CN100574203C Informing method and system for presenting information |
| 12/23/2009 | CN100574202C Method and system for content-based billing in IP-networks |
| 12/23/2009 | CN100574201C Authentication charging method for personal virtual number business |
| 12/23/2009 | CN100574200C Intelligent Ethernet card with function of hardware acceleration |
| 12/23/2009 | CN100574199C A system and method for distribution-type flow transmission of scalable media |
| 12/23/2009 | CN100574198C Method of sharing information relating to an information transmitting medium among mobile terminals |
| 12/23/2009 | CN100574197C Quick responsive method, system and device for assigning dynamic bandwidch |
| 12/23/2009 | CN100574194C Method and device for safety management maintenance equipment |
| 12/23/2009 | CN100574182C Method for tracing to secondary layer switch port |
| 12/23/2009 | CN100574180C System and method for associating message addresses with certificates |
| 12/23/2009 | CN100574176C Resource allocation method in a multicarrier communication system |
| 12/23/2009 | CN100574175C Method and system for obtaining high-speed uplink packet scheduling capacity, and method and device for obtaining link effective data rate |
| 12/23/2009 | CN100574172C Method and apparatus for efficient data transmission in a voice-over-data communication system |
| 12/23/2009 | CN100574151C Radio communication method and radio communication device |
| 12/23/2009 | CN100574148C 通信系统 Communication System |