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6952418 Conditionally nonblocking switch of the upturned expander type  
Broadband switching including the implementation of and control over a massive sub-microsecond switching fabric. To effect the attributes of the switching fabric, conditionally nonblocking...
6950424 OSPF autonomous system with a backbone divided into two sub-areas  
Data communication system of the type wherein a plurality of contiguous transmission networks constitute an Autonomous System (AS) using the Open Shortest Path First (OSPF) protocol for the...
6947669 Generic optical routing information base support  
This application proposes a solution that makes access to the Optical Link State (OLS) information more efficient for use by upper level applications. Applications are independent of underlying...
6947431 Wireless data communications with header suppression and reconstruction  
A gateway for a wireless network. The gateway allows any wireless device to communicate using the Internet Protocol. The radio gateway works as an agent between the NDIS layer and the wireless...
6940851 Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined arbitration scheme  
A pipeline-based matching scheduling approach for input-buffered switches relaxes the timing constraint for arbitration with matching schemes, such as CRRD and CMSD. In the new approach,...
6938095 Method and apparatus for establishing and sharing a virtual change notification list among a plurality of peer nodes  
A data structure has a list of event objects, one or more producers creating the event objects for the list, and a finite set of consumers accessing the object list. The structure is characterized...
6930984 Network-device control system and apparatus  
In a network-device control system for controlling a network device such as a router, which is located between a communication terminal employed by a user and a server with which the terminal...
6928483 Fast path forwarding of link state advertisements  
A link state advertisement protocol message received from an originating device over an inbound interface is forwarded over the fast path according to a predetermined forwarding scheme. A...
6928082 System and method for determining a connectionless communication path for communicating audio data through an address and port translation device  
A method of audio communication utilizing media datagrams between a first telephony client located behind a network address translation (NAT) server and a remote second telephony client is...
6925504 Methods and apparatus for obtaining content from a content-originating device within a computerized network  
A technique can be used to obtain content (e.g., a live feed, pre-positioned content, etc.) from a content-originating device (a content source). The technique involves identifying a tree-based...
6920508 WDM ring network  
A WDM ring network and method for distributing within such ring network for feeding in data and for distributing both working signals and protection signals on different transmission paths and in...
6920503 Tunnel interworking  
A method and apparatus for tunnel interworking is described. A computer implemented method comprises receiving a subscriber session with a first tunneling protocol and switching the subscriber...
6917596 Method of addressing physical problems of a topological network using a topology engine  
The topology of a network is represented, or emulated, by a topology engine comprising processing elements interconnected via a connection matrix. Queries representing physical problems of the...
6917985 Core assisted mesh protocol for multicast routing in ad-hoc Networks  
A method of providing multicast routing for use in ad hoc broadcast networks, such as wireless and mobile networks. The method is described within a protocol referred to as core-assisted mesh...
6914886 Controlling traffic on links between autonomous systems  
The present invention provides for controlling incoming traffics on the links to an autonomous system. Incoming traffic usage for blocks of IP addresses within an autonomous system and load,...
6915349 Method for transferring MPOA packet  
A method for transferring an MPOA packet which is capable of permitting address resolution based on layer 3 packet filter information and capable of preventing establishing an undesirable short...
6915386 Processing service level agreement (SLA) terms in a caching component of a storage system  
A method and system for processing Service Level Agreement (SLA) terms in a caching component in a storage system. The method can include monitoring cache performance for groups of data in the...
6912200 Data transmission control method  
The invention relates to methods for selection of packet transmission routes between two network sites in a case, in which the sites are connected to the rest of the network via a plurality of...
6907466 Methods and systems for efficiently delivering data to a plurality of destinations in a computer network  
Methods and systems for efficiently delivering data to multiple destinations in a computer network are disclosed. Data to be delivered to multiple destinations is stored in memory. The stored data...
6904134 Network infrastructure integrated system  
A network infrastructure integrated system which is able to integrate a telephone line network and a power line network as a single network using a simple circuit includes a first network to which...
6901452 Selectable prioritization for data communication switch  
A data communication switch receives packets having first priorities, generates second priorities as a function of the first priorities, prioritizes selected ones of the plurality of packets as a...
6898418 Method of and apparatus for implementing adaptive downstream modulation in a fixed wireless communication system  
Available quadrature amplitude modulation (“QAM”) carriers transmittable by a base station to customer sites are substantially equally divided among the sites according to the expected quality...
6898181 Data compression negotiation in a telecommunication system  
The invention relates to a method for setting up s data link, wherein an end-to-end link comprises at least two separate legs ( 402, 403 ) with error correction protocols. The legs may have...
6895441 Path rerouting mechanism utilizing multiple link bandwidth allocations  
A path reroute mechanism for use in communication networks comprising multiple searches for a routing path to restore traffic following a failure that could not be protected by a previously...
6891823 Apparatus and method for scaling a switching fabric in a network switching node  
A method and apparatus for reallocating switching circuitry in a switching fabric are disclosed. The switching fabric is used to permit data transfer among a plurality of interface units each...
6888828 System and method for providing at least one service obtained from a service network for a user in a packet switched communication network  
The present invention is a network, service network entities, and a method for providing users of a packet switched communication network ( 32 ) with access to services obtained from a private...
6886027 Communication apparatus with address translation for multimedia communication in different address spaces and multimedia communication method compatible with address translation  
A multimedia communication apparatus includes a system controller which determines how to process, during call processing, destination information received from a user controller based on...
6883034 Method of resolving conflicts in access control lists in router by comparing elements in the lists based on subsumption relations  
Methods are described for analyzing access list subsumption in routing devices of a computer network and for identifying computer network integrity violations, by producing structured data that...
6883094 Communication device for monitoring datalink layer information and outputting data based on communication request information type  
In a communication device for providing a communication between a user terminal and a network service provider apparatus, datalink layer information included in data transmitted from a source user...
6873610 System and method for efficiently accessing affiliated network addresses from a wireless device  
A system and method for a wireless device to efficiently access affiliated addresses across linked topical communities, such as an Internet WebRing, through a wireless gateway. The invention...
6873796 Node device and optical path setting method  
A method for setting a cut-through optical path in an optical network system is proposed. Each node device inquires of node devices adjacent to the present node device about connection information...
6870852 Combination router bridge in an integrated services hub  
The present invention discloses a method of automatically bridging or routing, i.e. internetworking, data packets received on an Ethernet port in a telecommunications integrated services hub. The...
6862448 Token-based receiver diversity  
A token-based receiver diversity processing is described. In one embodiment, a receiver diversity comprises repeaters receiving wirelessly transmitted packets from a mobile station, and one of the...
6853621 System and method for selecting a packet-switched telephony service provider  
A system and method for identifying location-specific information. The system and method may preferably be used to identify available packet-switched telephony service providers, such as internet...
6853635 Multi-dimensional lattice network  
An N-dimensional lattice network that scales to capacities of the order of a Yotta bits per second (10 24 bits per second) includes a plurality of sub-nets of edge module switches interconnected...
6850513 Table-based packet classification  
A system and method of packet classification for advanced packet forwarding using a table-based classification method is implemented using a minimum of additional system hardware. The table-based...
6850524 Systems and methods for predictive routing  
A system provides predictive routing of packets in a network with multiple nodes. The system receives messages from the nodes ( 740 ). The messages contain predictions regarding future events that...
6847642 Switching system with improved message distributor  
In a switching system with improved message distributor in which a common internal bus is used in order to improve the transmission of messages between a switching network connecting unit, a...
6842723 Joint placement and configuration of cross-connects and add-drop multiplexers in an optical mesh network  
Network design techniques are disclosed for optimally placing OXCs and OADMs in an optical mesh network to minimize network cost by using cheaper OADMs wherever possible and only using more...
6839340 Network session management  
A communication system providing telephony communication across combined circuit switched and packet switched networks, such as a telephone network and the Internet, which are connectable to...
6836463 System for communicating labeled routing trees to establish preferred paths and source routes with local identifiers in wireless computer networks  
One or more labeled routing trees (LRTS) are produced at a router of a computer network according to a shortest path determination made over a partial topology graph of the network, which graph is...
6836475 Method and apparatus for traffic shaping for IP router queues/egress  
A shaper 201 and a scheduler 203 are combined to determine a target tree 203 and insert 207 a tag into a data structure, wherein the tag is associated with a packet that has reached the...
6831890 Measuring network performance parameters in data communication networks  
Data cells traversing an Asynchronous Transfer Mode (ATM) network ( 10 ) are passively monitored by probes at two spaced points ( 12,14 ). A filtering characteristic is applied to select cells...
6829230 Routing in a packet switched network  
In a packet switched network, an address is allocated to a user of the packet switched network. The address includes information identifying the geographical location of the user, such as...
6826647 Voice operated communications interface  
A voice-operated communications interface permits communications between two or more groups using incompatible communications devices such as two-way radios.
6826184 Method and system for multi-service cut-through switching through a connection-oriented network  
Multiple connections between switches that share the same Quality of Service (QoS) requirements are multiplexed onto a single virtual connection or switched path. The switched path may be...
6826172 Network probing using overlapping probe packets  
Provided are apparatuses and techniques for use by a first node on a network in determining the geographic location of a second node on the network. A data packet is received over the network from...
6823104 Controlling messaging in an optical network  
A system and method for control messaging in an optical network is provided. A provisioning data path for the transmission of provisioning data to an Operations, Administration, Maintenance, and...
6822942 Protocol extensions for telecommunications network systems and method  
A distributed features system is disclosed which permits a telecommunication network to accommodate the creation of open multimedia services. In accordance with an embodiment of the present...
6819662 Method for protecting a telecommunications network  
A method of connecting a telecommunications network, in which the network is formed of plural nodes connected by plural spans. Each node has a nodal switching device for making connections between...