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7430175 |
Method and system for managing traffic in fibre channel systems
Method and system for routing fiber channel frames using a fiber channel switch element is provided. The method includes, inserting a time stamp value in a fiber channel frame that is received at a...
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7430176 |
Adaptive timing of update messages transmitted by routers employing the border gateway protocol
A method for border nodes using the Border Gateway Protocol to advertise path updates to peer nodes in other domains involves calculating the update interval for each advertisement of an update of...
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7430164 |
Path recovery on failure in load balancing switch protocols
A method for managing multiple active paths among a plurality of network switches to identify and select an alternate path in response to failure of a path from a switch to a device. Load balancing...
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7428213 |
Method and apparatus for determining network routing information based on shared risk link group information
A method and apparatus are disclosed for performing a shortest path first network routing path determination in a data communications network based in part on information about links that are...
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7428221 |
Arrangement for providing network prefix information from attached mobile routers to a clusterhead in a tree-based ad hoc mobile network
Mobile routers establish a tree-based network topology in an ad hoc mobile network, the tree-based network topology having a single clusterhead and attached mobile routers. Each attached mobile...
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7426186 |
Data path provisioning in a reconfigurable data network
A method for data path provisioning in a reconfigurable data network is disclosed. A data path between a source IP router and a destination IP router is determined taking into account the...
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7424017 |
Techniques for introducing in-band network management packets in multi-protocol label switching networks
A system and method for introducing in-band network management packets (INMPs) in a Multi-Protocol Label Switching (MPLS) network. MPLS is an emerging technology, which integrates Internet Protocol...
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7423973 |
Methods and apparatus for hybrid multicast and unicast transmissions in a data network
Methods and apparatus for hybrid multicast and unicast transmissions in a data network. A method is provided for operating a server on a data network. The method includes computing a multicast cost...
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7421203 |
Method for transmitting packet in wireless access network based on wavelength identification code scheme
A method for transmitting a packet in a wireless access network based on a wavelength identification code scheme. The method comprises the steps of connecting n number of RNCs (Radio Network...
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7420923 |
Optimizing software distribution in large communication networks
The present invention is related to optimizing software distribution in large communication networks (e.g. UMTS). A distribution graph including the nodes involved in the distribution spanned out...
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7417962 |
QoS capable mobile ad-hoc network device
The ad-hoc router enables a decentralized IP routing network (mobile of fixed) amongst a set of network devices, and can offer quality of services for voice, video and data applications. The ad-hoc...
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7417947 |
Routing protocol failover between control units within a network router
A device includes a primary control unit and a standby control unit. The standby control unit records routing communications exchanged between the primary control unit and an external routing...
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7414977 |
Power and delay sensitive ad-hoc communication networks
An ad-hoc wireless communication network includes multiple nodes. Each node maintains a routing table. The routing table is constructed by broadcasting route request packets from a source node. The...
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7414978 |
Minimum-cost routing with network coding
A method and computer program product for performing minimum cost routing with network coding is presented. The method and system model a network as a directed graph. A cost per unit flow is...
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7415019 |
Apparatus and method for collecting active route topology information in a mobile ad hoc network
A first MANET node that collects route information associated with a first route from a source MANET node to a destination MANET node in a mobile ad hoc network (MANET). The first MANET node...
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7414979 |
Method and apparatus for per session load balancing with improved load sharing in a packet switched network
Systems and methods for implementing per-session load balancing of packets that increase traffic sharing and reduce systematic unequal distribution of traffic are provided by virtue of one...
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7411963 |
Method for dissemination of non-routing information using the IS-IS protocol
A method and apparatus for the dissemination of non-routing information to nodes of a network is provided. A new type of IS-IS packet (called a NRI IS-IS packet) is described that exclusively...
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7412557 |
Apparatus and method for preventing loops in a computer network
A network device is configured in a manner to prevent connectivity loops such as one way connectivity loops. A user configures a port of the network device to have an associated state. The state...
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7412245 |
Dynamic wireless meshing network for supporting load balance and flow control
The present invention relates to a dynamic wireless meshing network system, which applies a management frame stipulated in IEEE 802.11 standard for regulating access point (AP) to a wireless...
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7408897 |
Method for assigning home agent in mobile network
A method, system and apparatus for selecting an optimal home agent in a mobile IP network, are provided. The method enables selection of a topologically optimal home agent for establishing an...
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7408881 |
Differential delay constrained routing for virtually-concatenated data traffic
Virtually-concatenated data traffic is routed in a network comprising a plurality of nodes. For a given traffic demand to be routed from a source node to a destination node in the network, an...
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7408896 |
Method and system for providing mobile wireless access points
A mobile access point is disclosed. The mobile access point includes a terminal module configured to provide one or more terminal functions for use by a user, the one or more terminal functions...
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7406054 |
Routing method for wireless networks
A routing method is used to establish a data transfer path between a source node and a destination node in wireless networks having a tree structure. If a relay node relaying a data transfer...
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7406047 |
Method of computation of a short path in valued graphs
A method of computing shortest paths in a weighted graph having vertices and an adjacency matrix with memory resources and a processor including (a) selecting integer weights; (b) carrying out a...
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7406539 |
Method and apparatus for performance and cost optimization in an internetwork
Systems and methods are described for supporting routing intelligence for evaluating routing paths based on performance measurements. The routing intelligence may include processes executed in a...
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7406048 |
Tools and techniques for directing packets over disparate networks
Methods, configured storage media, and systems are provided for communications using two or more disparate networks in parallel to provide load balancing across network connections, greater...
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7403483 |
Optimum route calculation method and storage medium which stores optimum route calculation program
In an optimum route calculation method of calculating an optimum route in a network which has a plurality of nodes and a plurality of transmission paths, and in which a cost is defined for each...
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7403485 |
Optimum construction of a private network-to-network interface
The number of nodes in a private network-to-network interface may be very large. These nodes can be organized in two or more hierarchical levels. Network performance parameters, for example, call...
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7403482 |
Path provisioning for service level agreements in differentiated service networks
A system and method for path provisioning in a network calculates an optimal path using a greedy algorithm with backtracking to execute service level agreements (SLAs). More specifically, a...
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7403484 |
Switching fabrics and control protocols for them
A network unit for use in a switching fabric stores for each network unit in the switching fabric a respective change identification number. In each unit this number is incremented on each change...
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7398097 |
Dual-mesh network and communication system for emergency services personnel
A communications system is provided for emergency services personnel that includes a plurality of portable devices and a base station. The portable devices are configured to be carried by emergency...
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7397761 |
Routing restorable service-level-guaranteed connections using maximum 2-route flows
A packet network employs restorable routing with service level guarantees. Restorable routing generates two disjoint paths through a network of nodes interconnected by links for a connection...
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7397789 |
Providing routing paths for wireless devices
A method and apparatus for generating connectivity is described. The method includes a server broadcasting a beacon including the server's address. The method further includes each client that...
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7394763 |
Routing for networks with content filtering
A network of nodes interconnected by links has content filtering specified at certain nodes, and routing of packet connections through the network is generated based on the specified...
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7394766 |
Multi-link extensions and bundle skew management
A method, apparatus, and system are provided for multi-link extensions and bundle skew management. According to one embodiment, multiple parallel links between a central processing unit (CPU) and a...
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7394776 |
Network system for establishing path using redundancy degree and method thereof
A method for establishing a path between nodes in a wireless network system. A source node broadcasts a route request (RREQ) packet for a destination node. A mobile node between the source node and...
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7395351 |
Method for assigning link weights in a communications network
The present invention includes a method and system for determining link weights that when utilized will optimize the performance of a network in the event of a link failure without the need to...
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7394760 |
Method and system for correlating practical constraints in a network
A system and method for identifying optimal mapping of logical links to the physical topology of a network is provided. Upon obtaining one or more mapping options for mapping multiple logical links...
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7392373 |
Granularity on a per port basis of request-response communications over a networked computer system
Methods, systems, and media are disclosed for improved granularity of a response-request communication on a networked computer system. One example embodiment includes receiving the request-response...
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7391732 |
Scheme for randomized selection of equal cost links during restoration
The present invention relates generally to restoration of services in a network. More particularly, the invention encompasses a scheme for randomized selection of equal cost links during...
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7391731 |
Method for determining best path
Multi-packet probes are forwarded from a source to a destination through different paths. The efficiencies of the different paths are then determined by comparing information collected from the...
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7388841 |
Selecting multiple paths in overlay networks for streaming data
A method selects multiple paths between a server and a client in an overlay network where nodes are connected by links. The nodes include the server and the client. Each path includes a set of...
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7388842 |
Method and apparatus for efficient routing of variable traffic
A method and apparatus for provide highly efficient traffic routing for a wide range of possible traffic matrices (TM) in an intra-domain network. That routing optimally balances the traffic loads...
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7388840 |
Methods and apparatuses for route management on a networking control plane
An open networking routing system includes at least one forwarding element, and a control element communicatively coupled to the forwarding element(s). In one embodiment, the control element is...
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7379425 |
Address converter for gateways interconnecting networks of different address formats
In a gateway, a packet received from a first network contains first address data conforming to the first network in the packet header and second address data conforming to a second network in an...
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7379424 |
Systems and methods for routing packets in multiprocessor computer systems
A system and method of building a routing table for use in a multiprocessor computer system having a plurality of processing nodes and physical communication links interconnecting the processing...
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7377835 |
Personal multimedia communication system and network for emergency services personnel
A personal multimedia communication system and network for emergency services personnel includes a plurality of personal communication systems linked together and to a base station in a network....
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7376087 |
Method and apparatus for monitoring and displaying routing metrics of a network
The invention includes an apparatus and method for displaying path metrics associate with nodes and links within a network. The method includes determining path metric values associated with the...
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7373103 |
Relay terminal, base station, charging server, communication system, charging method, program computer data signal, and storage medium
In a relay terminal A for relaying packet communication between a destination terminal C located outside a service area of a base station Z, and the base station Z, a contribution to relaying is...
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7372816 |
Method and apparatus for optimizing routing through network nodes
A method for reducing the problem space associated with determining intra-network circuit provisioning paths within a large communications network by selecting only a sub-set of the total network...
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