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Multiplex Communications > Pathfinding Or Routing > Switching A Message Which Includes An Address Header > Processing Of Address Header For Routing, Per Se

Processing Of Address Header For Routing, Per Se

Processing Of Address Header For Routing, Per Se patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

10/16/14 - 20140307736 - Method for providing a parser to extract information from fields of a data packet header
A method for providing a parser by a network node, which includes a table defining a plurality of rules and a plurality of match fields required for extraction from an incoming data packet header in order to apply each of the respective rules is described. The method comprises determining at...

10/16/14 - 20140307737 - Exact match lookup with variable key sizes
In a method for populating an exact match lookup table in a network device, a lookup key to be stored in a database of the network device is determined. The database is distributed among two or more memory banks. At least based on a size of the lookup key, (i)...

10/16/14 - 20140307738 - Communication method, apparatus and system
Embodiments of the present invention provide a communication method, apparatus, and system, where the communication method includes: receiving a packet, encapsulating all or a part of the packet into an Ethernet operation, administration and maintenance packet, and then, according to a corresponding relationship between a port that receives the packet...

10/16/14 - 20140307739 - Systems and methods for accessing a multi-bank sram
A device may include multi-bank SRAM logic configured to receive an lookup result that includes a first number of addresses, parse each of the first number of addresses from the received lookup result, simultaneously provide at least one of the first number of parsed addresses to each of a first...

10/09/14 - 20140301394 - Exact match hash lookup databases in network switch devices
In a method for forwarding packets in a network device a plurality of hash values is generated based on a lookup key. The plurality of hash values includes at least a first hash value generated using a first hash function, a second hash value generated using a second hash function...

10/09/14 - 20140301395 - Systems and methods for synchronizing mss and pmtu in ncore and cluster systems
Systems and methods of propagating maximum segment size and path maximum transmission unit of network paths between an intermediary device of a cluster with a plurality of destinations are described. A first core of a node including multiple cores and intermediary to a client and a plurality of servers may...

10/09/14 - 20140301396 - Method for constructing virtual private network, method for packet forwarding, and gateway apparatus using the methods
Disclosed are a method for constructing a virtual private network, a method for packet forwarding, and a gateway apparatus using the methods. A method for constructing a virtual private network, according to an example embodiment of the present invention, may comprise receiving a first tunnel connection request from the lower...

10/09/14 - 20140301397 - Flow identification method, device, and system
Embodiments of the present invention include a flow identification method, device, and system. In the system for implementing the flow identification method, a switching device acquires an enhanced flow table entry matching tunnel encapsulation, where the enhanced flow table entry matching the tunnel encapsulation includes an identifier of the tunnel...

10/09/14 - 20140301398 - Switching architecture with packet encapsulation
The invention includes, among other things, a system for passing TDM traffic through a packet switch. In one embodiment, the system includes a packet switch that has a plurality of data ports and is capable of routing FSDU packets between the plurality of data ports. A TDM encapsulation circuit process...

10/09/14 - 20140301399 - Transmission of data within a communications network
The invention relates to methods for providing a network element 5 of a communications network with data, in particular HSDPA related data. In order to enable the transmission of user data, it is proposed that a controller 4 of the network uses a dedicated frame structure for assembling frames with...

10/02/14 - 20140294005 - Using a virtual internet protocol address to represent dually connected hosts in an internet protocol overlay network
Techniques are presented herein for distributing address information of host devices in a network. At a first router device, a packet is received from a first host device that is destined for a second host device. The first host device is dually-connected to the first router and a second router...

10/02/14 - 20140294006 - Direct service mapping for nat and pnat
Various exemplary embodiments relate to a method of processing a packet at a firewall. The method includes: receiving a packet having a source address, destination address, source port, and destination port; comparing the packet to match criteria of a rule, wherein the match criteria includes at least one service group...

10/02/14 - 20140294007 - Packet communication device, packet communication method, and packet communication program
A packet communication device includes a search unit that searches, when having received a packet, for a combination of a label that identifies a transfer path of the packet and an output unit that outputs the packet to a physical line to which the transfer path is set. Further, the...

10/02/14 - 20140294008 - Network relay device
A network relay device capable of easily recognizing a state of hash value collision is provided. Each of a plurality of entries contained in an address table includes: a first area in which first information is registered, the first information indicating a relation between a plurality of ports and MAC...

10/02/14 - 20140294009 - Communication apparatus, communication system, control method of communication apparatus and program
There is provided a communication apparatus including a transmission source mapping algorithm acquisition unit configured to acquire an algorithm that assigns an external address and an external port number to an internal address and an internal port number of a transmission source, as a transmission source mapping algorithm, a destination...

10/02/14 - 20140294010 - Asymmetrical link aggregation
According to one embodiment, an apparatus and method for asymmetrical link aggregation is disclosed, wherein the method is implemented in an access switch, the access switch connects to at least two aggregation switches through a first set of ports and respective links, the access switch connects to an external network...

10/02/14 - 20140294011 - Method of promoting a quick data flow of data packets in a communication network, communication network and data processing unit
In a communication network including a plurality of network domains in which switches and controllers are separated, in controllers providing the information to which neighbour switches are to forward data packets, inter-domain communication is introduced. For example, a local controller alerts another local controller enabling this other local controller to...

09/25/14 - 20140286336 - System and method for paging flow entries in a flow-based switching device
A network switching device includes a macroflow sub-plane that performs packet-based routing in the network switching device and a microflow routing sub-plane that performs flow-based routing in the network switching device. The microflow routing sub-plane receives a first data packet, determines that the first data packet is associated with a...

09/25/14 - 20140286337 - System and method for subscriber aware network monitoring
A system and method for subscriber aware network monitoring is provided. The method includes: determining subscriber and session data, wherein the subscriber has a non-unique IP (Internet Protocol) address; retrieving identifying data from a packet; and comparing the identifying data with the determined subscriber and session data to determine the...

09/25/14 - 20140286338 - System, relay device, method, and medium
A system includes a first device which outputs a packet including an address identifying a second device and identifier of one of a plurality of communication circuits that output packets to a network, and a relay device which outputs the packet to the second device instead of to the one...

09/25/14 - 20140286339 - Hardware acceleration for routing programs
The present disclosure describes techniques for hardware acceleration for routing programs. In some aspects communications between a routing determination program and a packet router are monitored in a router, both the routing determination program and the packet router being part of a software layer of the router. The communications include...

09/25/14 - 20140286340 - Multipath effectuation within singly contiguous network fabric via switching device routing logic programming
Each of a network fabric controller device and a network fabric forwarder devices includes network connecting hardware and network managing logic. The network connecting hardware of the devices connects them to a singly contiguous network fabric including switching devices that route data between initiator nodes and target nodes and that...

09/25/14 - 20140286341 - Signaling co-routed and non co-routed lsps of a bidirectional packet te tunnel
Particular embodiments may enable setup and signaling of co-routed and non co-routed label switched paths (LSPs) of a bidirectional packet traffic engineering (TE) tunnel in an unambiguous manner with respect to provisioning of the LSPs/tunnel. A head-end node may set up the bidirectional packet TE tunnel by computing a forward...

09/25/14 - 20140286342 - Method for generating entry, method for receiving packet, and corresponding apparatus and system
Embodiments of present invention provide a method for generating an entry, and the method includes: receiving, by a stream forwarding apparatus, a first packet, where the stream forwarding apparatus is an apparatus in a network architecture in which controlling and forwarding are separated; searching, a flow table for a first...

09/18/14 - 20140269709 - Virtual gateways and implicit routing in distributed overlay virtual environments
Embodiments of the invention relate to providing default gateway virtualization in a distributed overlay virtual environment. One embodiment includes a method that includes creating a packet by a first virtual machine (VM) including a first destination address. The packet is received from the first VM by a first virtual switch....

09/18/14 - 20140269710 - Port extender
An extended bridge structure that includes a controlling bridge and port extenders is disclosed. A port extender according to some embodiments of the present invention includes a processor that processes receives packets in a way that executes at least one procedure that substitutes for a function of the controlling bridge....

09/18/14 - 20140269711 - Communication over multiple virtual lanes using a shared buffer
A method for communication includes, in a sender node that sends packets to a receiver node over a physical link, making a decision, for a packet that is associated with a respective virtual link selected from among multiple virtual links, whether the receiver node is to buffer the packet in...

09/18/14 - 20140269712 - Tagging virtual overlay packets in a virtual networking system
Embodiments of the invention provide a method for packet distribution in a virtual networking system comprising multiple virtual networks interconnected over an underlying layer network, wherein each virtual network comprises one or more computing nodes. The method comprises, for each virtual network, sending at least one outgoing packet targeting a...

09/18/14 - 20140269713 - Signaling for service flows
A method for operating a Cable Modem Termination System (CMTS) device comprising storing a data structure correlating a plurality of border gateway protocol (BGP) attribute tags to packet header data, receiving a packet via a network of connected devices, determining a BGP attribute tag of the packet according to packet...

09/18/14 - 20140269714 - Universal labels in internetworking
In an embodiment, a method comprises: receiving a data communications packet comprising one or more labels in a label stack; determining whether a table identifier is present in the label stack. In response to determining that the table identifier is present in the label stack: based, at least in part,...

09/18/14 - 20140269715 - Finding nonequivalent classifiers to reduce ternary content addressable memory (tcam) usage
The problem of providing an efficient physical implementation of a (first) classifier defined by a first rule set, at least a part of which first classifier having a sparse distribution in Boolean space, is solved by (1) converting the first classifier, having a corresponding Boolean space, into a second classifier,...

09/18/14 - 20140269716 - Extended tag networking
Techniques are provided for enabling tag networking. In one example, a network device (e.g., switch, router, etc.) is configured to receive a packet of a traffic flow and to analyze the traffic flow to determine the packet belongs to a particular type of traffic. The network device can then add...

09/18/14 - 20140269717 - Ipv6/ipv4 resolution-less forwarding up to a destination
In one embodiment, a switch in a computer network intercepts a packet to a destination target, the packet having a solicited node multicast address of the target as a destination media access control (MAC) address of the packet. As such, the switch may determine whether the solicited node multicast address...

09/18/14 - 20140269718 - Packet extraction optimization in a network processor
A packet processor provides for rule matching of packets in a network architecture. The packet processor includes a lookup cluster complex having a number of lookup engines and respective on-chip memory units. The on-chip memory stores rules for matching against packet data. A lookup front-end receives lookup requests from a...

09/18/14 - 20140269719 - In-band management using l2 addresses over b-vlan in an spbm network
Methods, systems and computer readable media for in-band management using L2 addresses over a B-VLAN in an SPBm network....

09/18/14 - 20140269720 - Scalable infiniband packet-routing technique
An InfiniBand switch fabric is described. This InfiniBand switch fabric includes a hierarchy of switches having physical ports. These physical ports have associated local routing tables for nearest-neighbor connections to the physical ports. Moreover, relationships between the nearest-neighbor connections to each of the physical ports specified in the local routing...

09/18/14 - 20140269721 - Segment routing over label distribution protocol
An apparatus and method is disclosed for segment routing (SR) over label distribution protocol (LDP). In one embodiment, the method includes a node receiving a packet with an attached segment ID. In response, the node may attach a label to the packet. Thereafter, the node may forward the packet with...

09/18/14 - 20140269722 - Communication method, communication device, and communication system
A communication method using link aggregation, the method includes receiving a transfer frame; calculating, by a first communication device, an identification number of an output port for the transfer frame among a plurality of ports using a hash function, by using a combination of a source address of the transfer...

09/18/14 - 20140269723 - Apparatus and method for processing alternately configured longest prefix match tables
A network switch includes a memory configurable to store alternate table representations of an individual trie in a hierarchy of tries. A prefix table processor accesses in parallel, using an input network address, the alternate table representations of the individual trie and searches for a longest prefix match in each...

09/18/14 - 20140269724 - Method and devices for forwarding ip data packets in an access network
A method of controlling forwarding of IP data packets through a service network. An IP data packet including an original source port number enters the network through a gateway node. A controller defines a path allocated to a service type through a forwarding node and a service-providing server allocated to...

09/18/14 - 20140269725 - Service to node resolution using interior gateway protocols
An apparatus and method for resolving services to nodal segments. The method involves receiving an advertisement. The advertisement includes a service address associated with a service. The method further involves identifying an originator node for the service, where the originator node is associated with a nodal segment identifier. The method...

09/18/14 - 20140269726 - Method and system for managing network communications
A system that incorporates teachings of the present disclosure may include, for example avoiding data copy and task switching by processing protocol headers of network PDUs as a serial tape to be processed in order such as by a single method. Other processing includes reducing stages and simplifying protocol processing...

09/18/14 - 20140269727 - Fast reroute for segment routing traffic
An apparatus and method are disclosed for fast reroute (FRR) for native segment routing (SR) traffic. In one embodiment, a node receives a packet that includes a segment routing (SR) segment identifier (ID) stack. The node determines what type of segment is designated as the active segment in the segment...

09/18/14 - 20140269728 - Processing data packets using a policy based network path
Methods and systems are provided for processing data packets in a data network using a policy based network path. A policy enforcing point receives a data packet associated with a service session and routes it toward its destination along a network path which is determined according to data packet information...

09/18/14 - 20140269729 - Packet forwarding method, apparatus, and system
A packet forwarding method, includes: receiving an IP packet, and obtaining a destination IP address carried in the IP packet; obtaining an IP address of a next-hop device on a link from a routing table according to the destination IP address; obtaining a MAC address of the next-hop device and...

09/18/14 - 20140269730 - Communication networks that provide a common transport domain for use by multiple service domains and methods and computer program products for using the same
A method of operating a communication network comprises receiving loopback addresses from a plurality of edge networks at a provider router of a core backbone network, the edge networks and the core backbone network being logically distinct from each other, advertising the loopback addresses to a transport route reflector element,...

09/11/14 - 20140254594 - In nic flow switching
Methods, apparatus, and systems for implementing in Network Interface Controller (NIC) flow switching. Switching operations are effected via hardware-based forwarding mechanisms in apparatus such as NICs in a manner that does not employ use of computer system processor resources and is transparent to operating systems hosted by such computer systems....

09/11/14 - 20140254595 - Internet routing over a service-oriented architecture bus
In some aspects, a non-gateway node transmits an internet route request to neighbor nodes and receives, from a gateway node, a response message including an address of the gateway node and a gateway indicator. The non-gateway node sets a gateway pointer equal to this address. In other aspects, a gateway...

09/11/14 - 20140254596 - Indexed segment id
An apparatus and method for using indexed segment identifiers in segment routing. An example method involves receiving a globally unique index value at a node. The method also involves receiving a base value at the node, where the base value comprises a segment routing value configured to identify a nodal...

09/11/14 - 20140254597 - Forwarding ethernet packets
Forwarding Ethernet packets is disclosed, including: receiving an incoming packet; determining a value based at least in part on performing a hash operation on at least a portion of a destination Internet Protocol (IP) address included in the incoming packet; comparing the value against a pre-established look-up table to determine...

09/11/14 - 20140254598 - Medical device communication method
A medical device communication method that may be implemented within a variety of medical devices including but not limited to infusion pumps. The method may be implemented with a protocol stack for at least intra-device communication. Embodiments provide connection-oriented, connectionless-oriented, broadcast and multicast data exchange with priority handling of data,...

09/11/14 - 20140254599 - Message handling in an ip multimedia subsystem
A method and apparatus for handling a Session initiation Protocol communication in an IP Multimedia Subsystem (IMS) network. A Proxy Call Session Control Function receives a Session Initiation Protocol message sent from a trusted remote network. The P-CSCF adds to the message a further header, which identifies a Public User...