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| Number | Title | Issue Date |
| 7292580 | Method and system for guaranteeing quality of service in a multi-plane cell switch Data cells of plural classes are transferred from input ports to output ports through a switch by storing the cells at each input port in class-specific virtual output queues (VOQ) within sets of VOQs associated with output ports, and providing credits to VOQs accor... | 11/06/2007 |
| 7292577 | End-to-end preservation of VLAN priority in connection-oriented networks Virtual local area network (VLAN) identifications (VIDs) used in a local area network (LAN) are identified. The LAN is connected to a connection-oriented wide area network (WAN). Each VLAN supports multiple priorities. For each VID, each of the priorities is mapped ... | 11/06/2007 |
| 7292532 | Traffic shaping apparatus and traffic shaping method A traffic shaping apparatus calculates a minimum transmission interval, an allowed transmission frame rate of a user frame, and a reference transmission interval for each user according to a minimum transmission frame rate and a peak transmission frame rate specifie... | 11/06/2007 |
| 7289447 | Method and packet-level device for traffic regulation in a data network A method of traffic regulation in a packet communication network involves a token bucket associated with a subscriber. Packets arriving at the regulator are handled in accordance with the token bucket configuration. The method further involves measuring a demand pla... | 10/30/2007 |
| 7289514 | System and method for scheduling data traffic flows for a communication device The present invention provides a system and method for providing a different quality of service to a flow associated with an aggregate flow is provided. For an embodiment, the method comprises scheduling a plurality of data traffic flows in a communication network, ... | 10/30/2007 |
| 7289525 | Inverse multiplexing of managed traffic flows over a multi-star network A method for inverse multiplexing of managed traffic flows over a multi-star switch network includes a source node classifier. The source node classifier, using a traffic-engineering algorithm, classifies incoming traffic based on flow parameters, embeds the flow pa... | 10/30/2007 |
| 7286551 | Media access control device guaranteeing communication quality in wireless LAN for VoIP A MAC device guarantees QoS in a VoIP wireless LAN by giving higher priority to voice data than to non-voice data. Transmission data generated by an application program is provided to a modem according to the priority assigned to the data. A kernel classifies the tr... | 10/23/2007 |
| 7286476 | Accelerating network performance by striping and parallelization of TCP connections An architecture for optimizing network communications that utilizes a device positioned at two edges of a constrained Wide Area Network (WAN) link. The device intercepts outgoing network packets and reroutes them to a proxy application. The proxy application uses mu... | 10/23/2007 |
| 7287070 | Determining control of an internet communication between a sender and receiver The present invention provides a new communication mechanism between the UE and the GGSN pertaining to Resource Reservation Protocol (RSVP) signaling, and coordinates and assigns responsibility for RSVP messaging. This ensures proper RSVP messaging, prevents unneces... | 10/23/2007 |
| 7286541 | Wireless communication apparatus capable of improving connection rate A wireless communication apparatus and a wireless communication method capable of improving a connection rate. The wireless communication apparatus has: a transceiver for transceiving data with an external device; a response packet generator for generating a respons... | 10/23/2007 |
| 7283461 | Detection of denial-of-service attacks using frequency domain analysis Methods and apparatus for detecting denial of service attacks on a system in a communications network are provided. A frequency analysis is performed on certain types of packets that arrive with a periodic nature. A frequency power spectrum obtained through Fourier ... | 10/16/2007 |
| 7284047 | System and method for controlling network demand via congestion pricing A method and system for avoiding network congestion by measuring network load to adjust a rate at each source. The load (e.g., as a price value) is provided to network traffic sources, which adjust their flows based on a per-flow weight (willingness to pay). The loa... | 10/16/2007 |
| 7283530 | Apparatus and method to coordinate calendar searches in a network scheduler A system that indicates which frame should next be removed by a scheduler from flow queues within a network device, such as a router, network processor, and like devices is disclosed. The system includes a search engine that searches a set of calendars under the con... | 10/16/2007 |
| 7283497 | Method for transferring a tunnel between nodes in GPRS system The invention relates to a method for transferring a tunnel from a first operating node (SGSN1) of a mobile radio communication system, especially a GPRS system, to a second operating node (SGSN2). The mobile radio communication system comprises operat... | 10/16/2007 |
| 7283506 | System and method for releasing sessions at network entities associated with the sessions A system, apparatus and method for releasing sessions via network entities associated with the session, where the network entities include at least session endpoints and intermediary network entities. Network entities are subscribed to intermediary network entities ... | 10/16/2007 |
| 7283477 | Allocating network resources A network resource is allocated to a data path by determining if a sufficient amount of the network resource is available in a network path to accommodate the data path, and obtaining a cost associated with using the network resource available in the network path fo... | 10/16/2007 |
| 7283472 | Priority-based efficient fair queuing for quality of service classification for packet processing In one embodiment, a method comprises recursively selecting a child node of a previously selected node of a port tree and having a highest priority among nodes of a same level within the port tree, until the selected node has associated egress queues of an egress po... | 10/16/2007 |
| 7280483 | System and method to improve the network performance of a wireless communications network by finding an optimal route between a source and a destination A system and method for calculating an optimal route at a node by making use of routing metrics which if carefully chosen, can provide stability to the network and also provide features like Self Healing and Load Balancing. A Routing metric is calculated as a scalar... | 10/09/2007 |
| 7280472 | Protection switching at a network node Protection switching between primary and secondary paths in a packet-based network involves table entries that are pre-programmed with a primary path, a secondary path, and a value that identifies the primary path, referred to as a primary path identifier (PPI). Whe... | 10/09/2007 |
| 7280560 | Differentiated services with multiple tagging levels A method for handling traffic in a communication network includes setting an aggregate limit on a total rate of transmission of information by a group of flows to be transmitted over the network, and setting a respective individual limit on an individual rate of tra... | 10/09/2007 |
| 7281006 | System and method for dividing data into predominantly fixed-sized chunks so that duplicate data chunks may be identified A data chunking system divides data into predominantly fixed-sized chunks such that duplicate data may be identified. The data chunking system may be used to reduce the data storage and save network bandwidth by allowing storage or transmission of primarily unique d... | 10/09/2007 |
| 7277295 | Industrial ethernet switch According to one embodiment of the invention, an apparatus includes a housing having a front side and a bottom side adjacent the front side. The apparatus also includes a plurality of light generating devices each operable to generate light in response to operation ... | 10/02/2007 |
| 7277388 | Method and apparatus for random packet marking for differentiated services A method is disclosed for a router to provide random assignments of three priorities, each signifying a drop precedence, to packets on a per customer basis. The router determines a sending rate estimate. Then the router marks a packet a priority level based on the s... | 10/02/2007 |
| 7277391 | Active queue management using proportional control and rate-based information Disclosed is an Active Queue Management method and apparatus which uses traffic rate information for congestion control. Using a nonlinear fluid-flow model of Traffic Control Protocol, a proportional controller in a closed loop configuration with gain settings chara... | 10/02/2007 |
| 7277446 | Communication of digital data over a wireless transmission medium Data packets are received at a communications node. Each of the received data packets is associated with one of a set of different service classes. Packets corresponding to the received data packets are transmitted to recipients. The order in which the data packets ... | 10/02/2007 |
| 7277389 | Systems and methods for grouping of bandwidth allocations A data traffic shaping system, comprises a plurality of burst groups, each burst group having a burst group credit allocation mechanism configured to earn credit over time; a shaping engine configured to manage incoming entries of traffic and to assign each incoming... | 10/02/2007 |
| 7277962 | Method and apparatus for packet scheduling using virtual time stamp for high capacity combined input and output queued switching system A method and apparatus for packet scheduling using a virtual time stamp for a high capacity combined input and output queued switching system. A network employs a virtual time reference system (VTRS) to generate packet virtual time stamps associated with each packet... | 10/02/2007 |
| 7275145 | Processing element with next and previous neighbor registers for direct data transfer According to some embodiments, a processing element includes (i) a next neighbor register to receive information directly from a previous processing element in a series of processing elements, and (ii) a previous neighbor register to receive information directly fro... | 09/25/2007 |
| 7274665 | Packet storm control A system and method of packet storm control includes a storm control device configured to count designated packets and drop any such packets that are in excess of a threshold value per a specified time internal. The packet storm control system and method may be impl... | 09/25/2007 |
| 7274668 | Method and apparatus for packet transmission and bandwidth guaranteeing method In an application layer, time txn necessary for packet transmission is calculated, and a packet pkn is transferred together with the time txn for packet transmission to the device driver of a data link layer. Then, in the data link layer, the amount of data is contr... | 09/25/2007 |
| 7272651 | RSVP transmitter proxy A Resource reSerVation Protocol (RSVP) transmitter proxy reserves network resources on behalf of a multimedia server that lacks RSVP facilities. The RSVP transmitter proxy is preferably disposed in an intermediate network device that is proximate to (e.g., one hop a... | 09/18/2007 |
| 7272150 | System and method for shaping traffic from a plurality of data streams using hierarchical queuing A system for shaping traffic from a plurality of data streams comprised of a first queuing stage configured to shape traffic from the data streams and having a plurality of shaping queues; and a second queuing stage coupled to the first queuing stage and configured ... | 09/18/2007 |
| 7272112 | QoS router system for effectively processing fragmented IP packets and method thereof QoS router system and method are provided for effectively processing fragmented IP packets transmitted over a network. When receiving a first fragmented IP packet of a set from a flow, a router determines whether to allow the first packet to pass or to drop by accor... | 09/18/2007 |
| 7272139 | Fast path routing in a large-scale virtual server computing environment Methods, systems, and computer program products for improving data transfer in complex computing environments. Internal routing enhancements are defined, which enable traffic of virtual servers to be processed more efficiently, thereby improving overall data transfe... | 09/18/2007 |
| 7272149 | Bandwidth allocation systems and methods A system for shaping traffic from a plurality of data streams includes a queuing stage having a plurality of first-in, first-out shaping queues, the queuing stage being configured to classify incoming entries of traffic, and to assign an incoming element of traffic ... | 09/18/2007 |
| 7269180 | System and method for prioritizing and queuing traffic A system is provided for prioritizing and queuing traffic from a plurality of data streams. The system includes a queuing structure, processing circuitry, and a search engine. The queuing structure has a plurality of queues. The search engine is implemented on the p... | 09/11/2007 |
| 7269179 | Control mechanisms for enqueue and dequeue operations in a pipelined network processor Common control for enqueue and dequeue operations in a pipelined network processor includes receiving in a queue manager a first enqueue or dequeue with respect to a queue and receiving a second enqueue or dequeue request in the queue manager with respect to the que... | 09/11/2007 |
| 7269752 | Dynamically controlling power consumption within a network node A method and system for controlling power consumption within a network node is disclosed. The method and system include dynamically controlling the power consumption of network processing engines based on predetermined thresholds. By dynamically controlling the powe... | 09/11/2007 |
| 7269137 | Method for setting up an isochronous data stream connection, with the application of a predetermined, total isochronous delay on one or more routing paths Method for setting up an isochronous data stream connection between at least one entry terminal or talker and at least one addressee terminal or listener connected by at least one bridge of a digital bus networ. At least some of the bridges are associated with an is... | 09/11/2007 |
| 7268690 | Industrial ethernet switch According to one embodiment of the invention a rugged Ethernet switch includes a housing and a passive cooling system associated with the housing and being devoid of fans as operable to cool the Ethernet switch. Ethernet switch also includes software operable to per... | 09/11/2007 |
