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| Number | Title | Issue Date |
| 8189589 | Apparatus and method for forwarding packet data An apparatus includes an input part, a plurality of output parts, and a switching part. The input part inputs a packet and builds at least one forwarding data block including a predetermined destination identifier and packet data extracted from the inputted packet. ... | 05/29/2012 |
| 8189586 | Plural telecommunications functions having sharing transaction(s) A node of a telecommunications network comprises a first function configured to perform a first operation on a first portion of a packet handled by the node and a second function configured to perform a second operation on a second portion of the packet. The first f... | 05/29/2012 |
| 8189585 | Techniques for virtual private network fast convergence An apparatus for VPN fast convergence in MPLS networks is disclosed. The apparatus comprises a first memory portion, a second memory portion, and a first logic for programming the memory portions. The first memory portion comprises a plurality of first data structur... | 05/29/2012 |
| 8189588 | Flow resiliency In an example embodiment, packets for a selected flow are replicated and sent over one or more diverse paths, such as a primary path and at least one secondary path, to a destination switching device. At the destination switching device, one copy of the replicated p... | 05/29/2012 |
| 8189587 | Routing table lookup algorithm employing search key having destination address and interface component A routing table lookup algorithm is described that, for a first outbound packet, performs a first route lookup into the routing table with a first search key that includes the first packet's destination address and a first network interface identifier, and, for a se... | 05/29/2012 |
| RE43420 | Utilizing available SONET overhead bytes for additional signaling channels An insertion apparatus receives a byte value from a signaling channel, locates a particular unused byte location within an overhead portion of a synchronous optical network (SONET) frame, and inserts the byte value from the signaling channel into the particular unus... | 05/29/2012 |
| 8184633 | Automated interoperability assessments based on iterative profling and emulation of SIP or T.38 fax-relay enabled devices A system for and method of efficient interoperability assessment based on automated Behavioral Profiling and Emulation of SIP or T.38 Fax-relay Enabled Devices, for example, for profiling and emulating VoIP Phones such as SIP Phones, or T.38 Fax-relay devices such a... | 05/22/2012 |
| 8184631 | Method for specifying a MAC identifier for a network-interface-device One embodiment of the present invention provides a system that specifies a MAC identifier for a network-interface-device in a computing device. In this system, the network-interface-device is configured to connect to a network though a port. During operation, the ne... | 05/22/2012 |
| 8184634 | Packet transfer method and node apparatus In a L2VPN, where Ethernet frames are encapsulated and transferred, when an edge node disposed at an entrance of the L2VPN encapsulates an Ethernet frame, the data type of the payload of the Ethernet frame is checked. If the payload data type includes time-to-live (... | 05/22/2012 |
| 8184632 | System and method for accepting information from routing messages into a list A system and method adds and manages entries on a list of entries of routing information to allow the top entry to be used for routing to a destination corresponding to the list. Costs of a wireless link may be a function of the success rate experienced on that wire... | 05/22/2012 |
| 8184635 | Port packet queuing A port queue includes a first memory portion having a first memory access time and a second memory portion having a second memory access time. The first memory portion includes a cache row. The cache row includes a plurality of queue entries. A packet pointer is enq... | 05/22/2012 |
| 8179895 | Methods, systems, and computer program products for monitoring tunneled internet protocol (IP) traffic on a high bandwidth IP network Methods, systems, and computer program products for monitoring tunneled Internet protocol (IP) traffic on a high bandwidth IP network are disclosed. According to one method, a copy of a tunneled IP packet traversing an IP communications network is generated. The pac... | 05/15/2012 |
| 8179897 | Generation and use of CRC in communications network The CRC for the CPS Header of an ATM AAL2 cell is generated by a CRC generator which uses the 8 bits of the CID field to generate partial 5 bits CRCs which are loaded in a first table. The 6 bits LI field and 5 bits UUI field are added to the partial 5 bits CRC to f... | 05/15/2012 |
| 8179894 | Method, apparatus, and computer program product for reducing session setup latency An apparatus for reducing session setup latency includes a processing element. The processing element is configured to determine a status with respect to a response message made in response to an invite message associated with a communication session, determine a st... | 05/15/2012 |
| 8179893 | Method of formatting signal in mobile communication system A method for formatting a signal in a mobile communication system by appending a plurality of medium access control headers to a plurality of medium access control-service data units for data transfer between a mobile station and network in the mobile communication ... | 05/15/2012 |
| 8179898 | Packet processing using braided tries Packets are processed (e.g., routed or classified) in accordance with a braided trie, which represents the combination of two or more different original tries (e.g., representing different forwarding/classification tables). The different tries are combined by twisti... | 05/15/2012 |
| 8179896 | Network processors and pipeline optimization methods A network processor of an embodiment includes a packet classification engine, a processing pipeline, and a controller. The packet classification engine allows for classifying each of a plurality of packets according to packet type. The processing pipeline has a plur... | 05/15/2012 |
| 8175097 | Embedding a session description message in a real-time control protocol (RTCP) message Embedded within at least some Real-Time Control Protocol (RTCP) messages sent from a media content source to a recipient is a session description message that describes a media presentation being streamed to the recipient. The session description message can be asso... | 05/08/2012 |
| 8175096 | Device for protection against illegal communications and network system thereof A communication device, an illegal communication protection device, and network system for providing protection from illegal communications. A communication device is connected to a network, for receiving packets sent and received over networks, and transmitting pac... | 05/08/2012 |
| 8175098 | Method for optimizing a route cache A system and method for managing a route cache to reduce the risk of disruption from denial of service attacks. All traffic arriving on a front interface from local (on-link) nodes (e.g., neighbor nodes) can be treated normally. However, for packets arriving from re... | 05/08/2012 |
| 8170022 | Method and apparatus for actively discovering internet protocol equal cost multiple paths and associate metrics Methods and apparatus for identifying a best path from a plurality of equal cost paths while accounting for service level agreement (SLA) metrics are disclosed. According to one aspect of the present invention, a method for routing a packet that has a payload using ... | 05/01/2012 |
| 8170019 | CPU transmission of unmodified packets A network device for processing packet. The network device includes an ingress module for performing switching functionality on an incoming packet, wherein the network device determines a destination port to which the incoming packet is to be transmitted. The networ... | 05/01/2012 |
| 8170027 | Apparatus and method for supporting higher data rates on links with variable frame sizes Methods and apparatus for communicating IP datagrams efficiently within communication links employing variable frame sizes bundles IP datagrams into data payloads. The number of datagrams that can fit within a current frame size is determined, a bundle header indica... | 05/01/2012 |
| 8170024 | Implementing pointer and stake model for frame alteration code in a network processor A method, apparatus and computer program product are provided for implementing a pointer and stake model for frame alteration code in a network processor. A current pointer and a stake are provided for a packet selected for transmit. The current pointer is maintaine... | 05/01/2012 |
| 8170023 | System and method for a software-based TCP/IP offload engine for implementing efficient digital media streaming over internet protocol networks A method of sending data through a network from a first computing device to a second computing device is described, where the computing devices adhere to a packet-based network protocol. A connection between the first computing device and the second computing device... | 05/01/2012 |
| 8170025 | Switch port analyzers Methods and devices are provided for non-disruptive monitoring of network traffic through one or more ports of a Fibre Channel network device. Preferred embodiments of the invention are used in conjunction with the switched port analyzer (“SPAN”) and/or remote S... | 05/01/2012 |
| 8170026 | Method and apparatus for virtual circuit routes A method and apparatus for virtual circuit routes is described. A method in a network element comprises associating a virtual circuit to a layer 3 next hop, the virtual circuit being associated with a layer 2 protocol specific logical circuit, receiving a packet on ... | 05/01/2012 |
| 8170020 | Leveraging active firewalls for network intrusion detection and retardation of attack A computer network firewall or network filter functions normally to pass data on open ports to a respective service or data source associated with an open port. In addition, traffic arriving on closed ports may be directed to a handler for analysis and response. The... | 05/01/2012 |
| 8170021 | Selectively enabled quality of service policy A computer system that implements a quality of service policy. Information defining the quality of service policy is stored in a central location, such as a server within an enterprise. Policy management software on clients in the network download quality of service... | 05/01/2012 |
| 8165123 | Packet forwarding device and packet priority setting method A packet forwarding device with a shaping unit, which is provided with queues for storing high priority packets and queues for storing low priority packets. The shaping unit transmits a packet read out from the non priority queue by giving a high priority when no tr... | 04/24/2012 |
| 8165127 | Distributing packets more evenly over trunked network links Routing nodes in communications networks use policies and certain fields, called selection fields, in packet headers to make routing decisions. When routing over a trunk, a specific trunked link over which to forward a packet must be selected. Policies and selection... | 04/24/2012 |
| 8165124 | Message compression methods and apparatus Methods and apparatus for compressing messages used to support mobile communications are described. After transmission of a first mobile IP message which may be a conventional mobile IP message, a compressed mobile IP message is transmitted. The compressed message i... | 04/24/2012 |
| 8165125 | Apparatus and method of classifying packets The present invention relates to an apparatus and method of classifying packets that can support a quality of service (QoS) in a network system. An apparatus for classifying packets according to an exemplary embodiment of the present invention includes: a first unit... | 04/24/2012 |
| 8165126 | Method, apparatus and system for selecting VMG A method, apparatus and system for selecting a Virtual Media Gateway are provided. The method for selecting a VMG includes: setting the service domain information on a VMG by extending a property parameter, after receiving the event triggering message on the bearer ... | 04/24/2012 |
| 8160072 | Method and system for facilitating QoS zoning in a network One embodiment of the present invention provides a system that facilitates end-to-end quality of service (QoS) between a source and a destination in a network. During operation, the system allocates virtual channels on an output port of a switch to a number of quali... | 04/17/2012 |
| 8160070 | Fibre channel proxy A fibre channel proxy proxies storage operations in a fibre channel storage network. A first set of fibre channel proxy ports are configured to receive storage operations from one or more initiators. A second set of fibre channel proxy ports are configured to forwar... | 04/17/2012 |
| 8160066 | Method for mobile IPv6 data traversing state firewall A method for mobile IPv6 data traversing a state firewall includes: creating an entry item of a firewall including a source HoA, a source CoA, a destination HoA, a destination CoA, a source port, a destination port and a protocol number; matching the source CoA, des... | 04/17/2012 |
| 8160071 | Apparatus and method for processing L2/L3 packet An L2/L3 packet processing and method are disclosed to process various Ethernet packets by interworking with a PBBN (Provider Backbone Bridges Network), a PBN (Provider Bridges Network), and an IPN (Internet Protocol Network). ... | 04/17/2012 |
| 8160067 | Address resolution protocol-based wireless access point method and apparatus A wireless access point (200), upon determining (101) that a need exists to support a communication need of a mobile station, acquires (102) a first Internet Protocol (IP) address and automatically transmits (103) a gratuitous Address Res... | 04/17/2012 |
| 8160069 | System for forwarding a packet with a hierarchically structured variable-length identifier One embodiment provides a system that receives a packet with a hierarchically structured variable-length identifier (HSVLI). An HSVLI indicates a piece or collection of content and may be hierarchically structured, comprising contiguous components ordered from a mos... | 04/17/2012 |
