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| Number | Title | Issue Date |
| 8081633 | Network node unit and method for forwarding data packets A network node unit and a method for forwarding data packets are provided. The network node unit is designed for forwarding data packets provided with a virtual network tag and comprises an identified cascading depth of the virtual network tag in the data packets wh... | 12/20/2011 |
| 8054835 | Method and apparatus of directing multicast traffic in an Ethernet MAN Method and apparatuses for directing multicast traffic in an Ethernet network include sending a multicast message upstream to a metro access node, performing IGMP snooping at the metro access node and assigning a multicast VLAN tag to the multicast message, performi... | 11/08/2011 |
| 8023513 | System and method for reducing overhead in a wireless network A method for reducing overhead includes concatenating a plurality of packets into a single jumbo packet. Each packet of the plurality of packets comprises a header. The method also includes identifying a base header from among the plurality of headers. The method fu... | 09/20/2011 |
| 8005088 | Scalable management system for MPLS based service providers A management system manages multiple multi-protocol label switching (MPLS) virtual private networks (VPNs), the VPNs having overlapping IP addresses. The system includes a storage storing a file that associates a host name with an IP address and a route distinguishe... | 08/23/2011 |
| 7995581 | Multiple address databases in a switch without the need for extra memory A system including N ports, a memory, and a controller. The memory stores M address databases. Each of the M address databases stores MAC addresses and has a database number. A first port of the N ports associated with one of the M address databases receives a frame... | 08/09/2011 |
| 7924843 | Method, apparatus and computer-readable code for data compression of network packets Methods, apparatus and computer readable code for compression, encoding and decoding of units of data such as packets are disclosed. In some embodiments, methods, apparatus and computer readable code for transmitting and/or receiving the data packets (for example, t... | 04/12/2011 |
| 7924842 | Packet transfer method in communication network system and packet processing method in communication device constituting the system There is disclosed a technology in which a packet to be sent to a mobile terminal (an MN), distributed from a correspondent node (a CN), can surely reach the MN even in a situation in which the MN is moving. According to the technology, identification information of... | 04/12/2011 |
| 7899056 | Device and method for reducing overhead in a wireless network A method for reducing overhead includes identifying a plurality of packets that are all to comprise at least one common piece of security information. The method also includes concatenating the plurality of packets into a single jumbo packet. The method further incl... | 03/01/2011 |
| 7894442 | Data transmission method and a system thereof In a data transmission system, a route information header RIH is added in each transmitted data packet and includes the route information of the data packet in a network. A network element receives the data packet, reads out route information which is needed by a no... | 02/22/2011 |
| 7746865 | Maskable content addressable memory A maskable content addressable memory may store one or more address prefixes. A port on which the packet may be sent is determined by comparing the destination address of a received packet by masking the address prefixes and the destination address. ... | 06/29/2010 |
| 7733866 | Packet concatenation in wireless networks A wireless network includes a transmitting device and a plurality of receiving devices. The transmitting device is configured to receive a plurality of data packets, including a first data packet and a second data packet, prepare a preamble, prepare a signal field f... | 06/08/2010 |
| 7706376 | System and method for communicating with mobile stations over an extended range in a wireless local area network Embodiments of a system and method for communicating over an extended range in a wireless network are generally described herein. Other embodiments may be described and claimed. In some embodiments, a packet is generated to include an extended range header if the mo... | 04/27/2010 |
| 7653065 | Method and system for internet protocol address concatenation A method and system for transmitting packets having a first address length on a core network supporting a second address length, where the second address length is larger than the first address length by determining a length of the first address and establishing an ... | 01/26/2010 |
| 7630375 | Data transfer control device and electronic instrument having reduced power consumption A data transfer control device includes a link controller which analyzes a packet received from a host-side data transfer control device through a serial bus, and an interface circuit which generates an interface signal and outputs the generated interface signal to ... | 12/08/2009 |
| 7620050 | Communication control device and communication control method A communication control device comprises a calculation part for calculating the number of frames and the frame length for transmitting the transmit data, a payload division part for dividing the transmit data into frame units based on the calculation results of the ... | 11/17/2009 |
| RE40809 | Conversion of contiguous concatenation of virtual concatenation in a synchronous digital communication network In a method of transmitting user data over a synchronous digital communication network (SDH), the user data are packed in multiplex units by a peripheral device (10; 40). If a greater bandwidth than the capacity of the multiplex unit is required, several mult... | 06/30/2009 |
| 7512128 | System and method for a multi-packet data link layer data transmission A kernel data transfer method and system for transmitting multiple packets of data in a single block of data presented by application programs to the kernel's network subsystem for processing in accordance with data transfer parameters set by the application program... | 03/31/2009 |
| 7508830 | Method and apparatus differential delay compensation processing of virtually concatenated data A method and apparatus for determining a read address for received data in a communications network employing virtually concatenated payloads is provided. The method and apparatus comprise determining a minimum write address using a plurality of memory elements and ... | 03/24/2009 |
| 7450586 | Network header compression arrangement For steady state voice data packet transmission between a mobile station and a packet data service node a new compressed TCP/IP header (160) concatenated with a compressed RTP/UDP header (4) is sent. This concatenated header is seven bytes in length in... | 11/11/2008 |
| 7437479 | Position identifier management apparatus and method, mobile computer, and position identifier processing method When a first mobile node is moved, it reports binding information including a compatible node identifier (virtual mobile guaranteed general network identifier and a node identifier) and a compatible position identifier (mobile guaranteed real network identifier iden... | 10/14/2008 |
| 7430205 | Packet transfer apparatus A packet transfer apparatus which can switch a communication path for each of a plurality of users using the same L2TP tunnel is provided. Packet transfer apparatuses terminating L2TP contain a table specifying a flow threshold level and a priority level of each sub... | 09/30/2008 |
| 7424004 | Systems and methods for networking passive information devices Passive information devices are networked by formulating a network address for the information devices by combining a network address of an associated network node with at least a portion of a unique code of the passive information device. ... | 09/09/2008 |
| 7408957 | Selective header field dispatch in a network processing system A method and structure is disclosed for dispatching appropriate data to a network processing system comprising an improved technique for extracting protocol header fields for use by the network processor. This technique includes basic classification of a packet acco... | 08/05/2008 |
| 7391771 | Method of sending information through a tree and ring topology of a network system The method is for sending information through a topology. A first and second node each having a first node having a first access port, a second access port and a first uplink connected to a first router and a second router, respectively. A third node is provided tha... | 06/24/2008 |
| 7372841 | Packet-based communication system and method A system and method for facilitating communication of packets between one or more applications residing on a first computing device and at least one second computing device. The system comprises a connection manager adapted to receive packets from the at least one s... | 05/13/2008 |
| 7370048 | File storage method and apparatus A method for storing data in a data storage area of a computer that utilizes hashing functions to avoid collision of data records. A first hash function attempts to place a new data record in a home address in the data table. If a data record already exists in that ... | 05/06/2008 |
| 7370119 | Scalable MPLS fast reroute switchover with reduced complexity A Fast Reroute implementation suitable for use in a label switched router. Reroute from protected tunnels to backup tunnels may be achieved in constant time irrespective of the numbers of protected forwarding equivalence classes and protected tunnels. ... | 05/06/2008 |
| 7366181 | Virtual private network (VPN) with channelized ethernet over sonet (EoS) interface and method A VPN includes a shared label switching network, a plurality of VLANs and edge routers interfacing the VLANs with the shared label switching network. The VLANs are each coupled to an edge router and communicate traffic using channelized EoS. ... | 04/29/2008 |
| 7359939 | Fast service restoration for lost IGMP leave requests Whenever a DSLAM or a network node receives a Group Join message, it compares the MAC address of the originating STB to that of previous Join messages with their existing connections. If a match is found, then the DSLAM will initiate a GSQ for the group of the match... | 04/15/2008 |
| 7359383 | Load balancing with mesh tagging One embodiment disclosed relates to a method of load balancing traffic in a switching mesh. A packet is received at a switch of the mesh. A MAC destination address is gathered from the packet. An entry in a MAC address table is found with the MAC destination address... | 04/15/2008 |
| 7356578 | System for constructing a network spanning tree using communication metrics discovered by multicast alias domains A system for determining a spanning tree for a computer network is disclosed. The system includes a computing device and a computer-readable medium. The computer-readable medium is part of the computing device or is in electronic communication with the computing dev... | 04/08/2008 |
| 7349397 | Lookups by collisionless direct tables and CAMS A structure and technique for preventing collisions using a hash table in conjunction with a CAM to identify and prevent collisions of binary keys. A portion of the hash value of a binary key, which does not collide with a portion of the hash value of any other refe... | 03/25/2008 |
| 7342932 | Packet transmission system, and apparatus and method for controlling packet transmission route A packet transmission system includes a home agent providing a home link and a home address to a mobile node, one or more access routers, each providing a foreign link and a c/o address to the mobile node, and one or more mobility support routers that relay a packet... | 03/11/2008 |
| 7339937 | Wide-area content-based routing architecture Content networking provides a content-based routing architecture, in which a virtual overlay network called the “virtual content network” is superimposed over the physical network. The content network contains content routers as the nodes and “pathways” as l... | 03/04/2008 |
| 7333491 | Method and apparatus for packet forwarding in a switch controller The present invention provides a method and apparatus for packet forwarding within a switch controller. In addition to unicast and broadcast forwarding, the method and apparatus can also analyze and forward IP multicast packets without the need of a CPU and a separa... | 02/19/2008 |
| 7333461 | Arrangement in a router of a mobile network for generating a local router prefix for anonymous route connections A mobile router is configured for generating a local router prefix (i.e., a null or invalid address prefix that is not reachable via a wide area network) for use by mobile nodes that attempt to attach to the mobile router. The mobile router attaches to an attachment... | 02/19/2008 |
| 7333430 | Systems and methods for passing network traffic data A method for processing network traffic data includes receiving network traffic data, and passing the network traffic data to one of a plurality of worker modules for processing the network traffic data, wherein the step of passing is performed based at least in par... | 02/19/2008 |
| 7334065 | Multiple data bus synchronization Disclosed is a method and circuit for synchronizing dual data buses. In one embodiment, the method includes a receiving circuit receiving first and second streams of multibit data portions transmitted via first and second parallel data buses, respectively, coupled t... | 02/19/2008 |
| 7328283 | Header compression/decompression apparatus and header compression/decompression method A header compression/decompression apparatus that improves the throughput of an overall multilayer protocol stack at a network node. In this apparatus, an encoding section 106 compresses multilayer header information included in a protocol data unit on a mult... | 02/05/2008 |
| 7328284 | Dynamic configuration of network data flow using a shared I/O subsystem A shared I/O subsystem having a forwarding table and a plurality of I/O interfaces. The forwarding table has a plurality of entries that correspond to each of the I/O interfaces. The shared I/O subsystem receives a data packet from one of the I/O interfaces where th... | 02/05/2008 |
