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7636937 |
Method and apparatus for comparing access control lists for configuring a security policy on a network
Two or more access control lists that are syntactically or structurally different may be compared for functional or semantic equivalence in order to configure a security policy on a network. A...
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7636767 |
Method and apparatus for reducing network traffic over low bandwidth links
A method is disclosed for reducing network traffic. At a sender, a data chunk is identified for transmission to a receiver, which is connected to the sender over a communication link. The sender...
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7636754 |
Rich multi-media format for use in a collaborative computing system
A system, method, and article of manufacture that allow a document containing custom objects to be shared in a distributed collaborative computer system. This is accomplished by allowing custom...
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7636358 |
Asynchronous transfer mode (ATM) switch and method for switching ATM traffic
An asynchronous transfer mode (ATM) switch includes a switch memory having a plurality of discrete queues. A queue is dedicated to a connection in which a traffic stream is transmitted in cells and...
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7636349 |
System and method for providing shared line appearances in a distributed call routing network
A method for routing calls in a packet-based network includes receiving a call request at a first call manager from a device that is coupled to the packet-based network. The call request includes a...
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7636344 |
Diversity transceiver for a wireless local area network
A wireless local area network system comprises a 5.0+ GHz radio transceiver with two receiving antennas and one transmitting antenna. A transmitter power amplifier output is connected to the...
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7636339 |
Method and system for automatic configuration of virtual talk groups based on location of media sources
A method for automatic configuration of virtual talk groups based on location of media source includes monitoring communications from a plurality of mobile endpoints. Each communication comprises a...
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7636305 |
Method and apparatus for monitoring network traffic
A method of monitoring network traffic flows of network traffic elements between locations in a data communications network is disclosed. The method comprises the step of classifying, as a first...
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7636304 |
System and method for performing distributed policing
Various systems and methods that synchronize local copies of a variable used in a distributed algorithm, such as that used in distributed policing. For example, one system includes several...
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7636302 |
Avoiding unnecessary RSVP-based preemptions
A technique avoids unnecessary preemption of resource reservations along a requested flow between nodes in a computer network. A node receives priority-based resource reservation requests and...
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D606542 |
Network device
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D606523 |
Router
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7634712 |
Techniques for generating cyclic redundancy check (CRC) values
Techniques for generating cyclic redundancy check (CRC) values are provided. Bit messages that are to be transmitted to recipients are aligned to desired byte boundaries for purposes of generating...
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7634566 |
Arrangement in a network for passing control of distributed data between network nodes for optimized client access based on locality
A network has network nodes for storage of respective copies of a data file. One of the network nodes has a corresponding unique locality control object for the copies of the data file. The...
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7634554 |
TTL exploration technique for determining capabilities and configuration of a peer router
An exploration technique allows a router to efficiently determine capabilities and configuration of a neighbor (peer) router. In addition, the technique enables peer routers of an adjacency to...
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7634536 |
System for selecting the operating frequency of a communication device in a wireless network
A system for automatically selecting communication frequencies for wireless communication devices (e.g., base unit, access point, and controller) being added to an existing wireless network. The...
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7634277 |
Method for allocating channel resources for improving frequency utilization efficiency of wireless communication systems
A method for improving a frequency utilization efficiency for a wireless communication system having a plurality of cells includes the following steps. At least one primary channel is allocated for...
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7634196 |
Optical add/drop multiplexer with reconfigurable add wavelength selective switch
A reconfigurable WDM add/drop multiplexer and its method of operation at an add/drop node on an optical fiber carrying a plurality of WDM signals is described. The WDM add/drop multiplexer has a...
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7633967 |
Multi-functional line card for metro optical applications
Methods and apparatus for allowing a dense wave division multiplexing (DWDM) line card w to function as an add/drop multiplexer (ADM), a transponder, and a muxponder are disclosed. According to one...
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7633956 |
System and method for providing support for multipoint L2VPN services in devices without local bridging
A network device has a network interface to allow the device to send and receive traffic across a network. The device also has a cable connection to allow the device to exchange data with at least...
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7633949 |
Method of providing network services
A method of providing network services is described. The network includes a number of nodes, each one of which is coupled to at least one other of the nodes by at least one of a number of optical...
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7633937 |
Methods and apparatus for switching between Metro Ethernet networks and external networks
According to the present invention, methods and apparatus are provided to allow efficient switching of frames for transmission between a Layer 2 Virtual Local Area Network such as a Metro Ethernet...
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7633929 |
Arrangement for providing ISUP transparency across voice over packet networks based on determined exchange type
A Voice over Packet (VoP) network includes an ingress gateway and an egress gateway for transparent transport of signaling messages between source and destination telephony switches utilizing...
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7633926 |
Extending multicast applications available on data networks to cell-based wireless networks
A mobile node on a cell-based wireless network (e.g., implemented using GSM) may indicate multicast applications (provided on a data network) of interest and receive data related to the...
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7633921 |
Mobile network automatic tunnels
In one embodiment, a received data packet is delivered by a routing resource to a tunnel interface resource in response to determining that the received data packet specifies a destination address...
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7633917 |
Mobile network device multi-link optimizations
Methods and apparatus for performing optimizations for a mobile network device such as a Mobile Node or Mobile Router supporting multiple links to a Home Agent (or Correspondent Node in a Mobile...
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7633914 |
Method and system for providing interoperable communications with location information
A method for providing interoperable communications with location information includes receiving communications from a plurality of virtual talk groups. Each virtual talk group comprises a...
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7633879 |
Method and apparatus for discovering the incoming media path for an internet protocol media session
A system and technique for analyzing incoming packets. The path taken by incoming packets can be analyzed from a near end without having access to the far end. This can be done even though packets...
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7633875 |
Method and system for accelerating route calculation in link state routing protocols
A method and system for performing route calculations in a link state routing protocol at a node within a computer network. The method includes evaluating existing routes of the node when new route...
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7633874 |
Soft notification messaging for a routing protocol
A soft notification technique isolates address family application based errors or events occurring within a routing protocol, such as the Border Gateway Protocol (BGP), used to exchange routing...
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7633859 |
Loop prevention technique for MPLS using two labels
A fast reroute (FRR) technique is implemented at the edge of a network. In accordance with the technique, if an edge device detects a node or link failure that prevents it from communicating with a...
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7633855 |
System and method for resolving address conflicts in a network
A system for resolving address conflicts in a network. In an illustrative embodiment, the system includes an address-configuration module that is adapted to assign addresses to one or more devices....
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7633854 |
Method for routing information over a network
A method of operating an optical network is described. The network includes a number of nodes connected by a number of links. A method according to the present invention provisions a virtual path...
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7631347 |
System and method for multi-session establishment involving disjoint authentication and authorization servers
A system and method that supports disjoint authentication server farms and disjoint policy or authorization servers for multi-session establishment. The authentication server has global knowledge...
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7631264 |
Method for managing contents of a web site
A method for managing contents of a web site. A request to access a web site is received from a requestor, wherein the web site comprises a sparse tree directory comprising elements used to build...
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7631225 |
Approach for characterizing the dynamic availability behavior of network elements
An approach is provided for characterizing the dynamic availability behavior of network elements using metrics that indicate patterns of availability of a network element over time. The metrics...
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7631222 |
Method and apparatus for correlating events in a network
A uniquely configured data structure is used to store event information for each network entity, where logical and physical dependency relationships among entities are captured in the data...
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7631055 |
Method and apparatus providing automatic connection announcement from a modular network device to a network management point
A method of provisioning modular network devices is described. A generic configuration is placed on a device; the configuration comprises commands for configuring interfaces associated the device....
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7630487 |
Method and system for distributing calls
A method for distributing calls includes receiving a plurality of calls each for connection with one of a plurality of agents and storing each of the plurality of calls in a queue. The method...
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7630486 |
Method and system for handling a queued automatic call distributor call
A method for handling a queued automatic call distributor call includes receiving a call from an endpoint of a caller over a first connection. The call comprises a request for service. The method...
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7630405 |
Techniques for ensuring synchronized processing at remote fiber channel and fiber connectivity networks
Techniques described use Generic Framing Procedure (GFP) to transport data across an optical transport network between near and far Fiber Channel (FC) or Fiber Connectivity (FICON) local area...
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7630393 |
Optimizing queuing of voice packet flows in a network
A system and method are disclosed for increasing the efficiency with which data is transmitted over a network link. Voice packets are encoded to include header bits that indicate the presence and...
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7630392 |
Multi-homing using controlled route leakage at a backup service provider
A technique for implementing route aggregation in a computer network containing a multi-homed customer site connected to primary and second networks, which in turn are both connected to a common...
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7630376 |
Distributed packet processing with ordered locks to maintain requisite packet orderings
Sequences of items may be maintained using ordered locks. These items may correspond to anything, but using ordered locks to maintain sequences of packets, especially for maintaining requisite...
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7630364 |
Securely managing network element state information in transport-layer associations
Rules in NAT and firewall devices are updated only when a packet flow is verified as genuine through transport-layer message acknowledgment sequences. When a device receives a packet indicating...
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7630361 |
Method and apparatus for using data-over-cable applications and services in non-cable environments
A generic data over cable system configures different cable and/or non-cable network infrastructures to operate in a data over cable environment. In one embodiment, a Modular Cable Modem...
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7630352 |
Support mobile device in asymmetric link environment
Methods and apparatus for registering a mobile device such as a mobile node or mobile router with a Home Agent in an asymmetric link environment. A Foreign Agent associates each of one or more...
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7630312 |
Approximated per-flow rate limiting
A method and apparatus to limit the throughput rate on a packet-by-packet basis. Each packet of an input flow is mapped to an entry in a flow table for each output queue. The mapping is based on a...
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7630298 |
Method and apparatus for forwarding data in a data communications network
A method of forwarding data in a data communications network having a plurality of nodes comprises the steps, performed at a repairing node, of computing the repair path around a network component...
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7630293 |
Redundant packet selection and manipulation in wireless communications systems
A communications system includes a mobile unit that transmits content and a number of base transceiver stations that receive the content from the mobile unit. Each base transceiver station...
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