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US20140119239 |
SYSTEMS AND METHODS FOR CONSTRAINED FORWARDING BASED PACKET NETWORK CONNECTIVITY
An Ethernet Tree (E-Tree) service is described instantiated on an Ethernet switch and in an Ethernet network. The E-Tree service is implemented using Private Forwarding Groups (PFGs), asymmetric... |
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US20100309912 |
FORWARDING FRAMES IN A COMPUTER NETWORK USING SHORTEST PATH BRIDGING
Methods, apparatus, and products are disclosed for forwarding frames in a computer network using shortest path bridging (‘SPB’). The network includes multiple bridges, and each edge bridge is... |
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US20130336322 |
Anycast-Based Internet Protocol Redirection To Alleviate Partial Routing Tables
Systems and methods are described that instruct routers having constrained hardware/memory to redirect all outbound traffic to a helper router. The helper router contains a full routing table that... |
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US20110064083 |
Anycast-Based Internet Protocol Redirection To Alleviate Partial Routing Tables
Systems and methods are described that instruct routers having constrained hardware/memory to redirect all outbound traffic to a helper router. The helper router contains a full routing table that... |
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US20150117450 |
METHOD AND COMPUTING DEVICE FOR PACKET CLASSIFICATION
The invention relates to a method for packet classification and a computing device for executing the method. The method comprises the steps of analysing packet classification rules to obtain a... |
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US20130003737 |
E-TREE USING TWO PSEUDOWIRES BETWEEN EDGE ROUTERS WITH ENHANCED LEARNING METHODS AND SYSTEMS
An e-tree service that includes establishing two pseudowires (PW) between edge network elements with enhanced address learning is described. In one embodiment, a root PW and a leaf PW are used for... |
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US20140192814 |
Method And Apparatus For Sharing TCAP Traffic Load
The present invention relates to a point code emulation apparatus and method for dividing a Common Channel Signaling System No. 7 (or SS7) signaling network into two or more networks. The point... |
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US20150249590 |
DEADLOCK-FREE ROUTING IN FAT TREE NETWORKS
Methods and apparatus are provided for routing data packets between source and destination switches in a fat tree network. For each packet, a route is selected having three or less routing phases... |
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US20120236865 |
CONTENTION FREE PIPELINED BROADCASTING WITHIN A CONSTANT BISECTION BANDWIDTH NETWORK TOPOLOGY
In an interconnection network, multiple nodes are connected to one of a first layer of switches. The first layer of switches is connected to one another through a second layer of switches. Each of... |
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US20130272303 |
PACKET SWITCHING WITHOUT LOOK-UP TABLE FOR ETHERNET SWITCHES
In one embodiment, a method for packet switching includes receiving a packet, wherein the packet comprises a header and a payload; determining, without using a look-up table, a destination port... |
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US20150200853 |
CONTROLLER-LESS PEER-TO-PEER DISTRIBUTED SWITCH
In one embodiment, a device (e.g., a sync daemon) connects to peer nodes in a communication network. Each of the peer nodes has a switch that supports a flow table and an action table. The device... |
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US20100284407 |
NEXTHOP TO A FORWARDING TABLE
A router receives destination address information for a packet and determines, among entries in a first forwarding table, a closest match for the received destination address information. The... |
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US20150092778 |
Tracking Prefixes of Values Associated with Different Rules to Generate Flows
Some embodiments provide a method for a forwarding element that forwards packets. The method receives a packet. The method consults a tree structure to generate a wildcard mask. The consulting... |
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US20140334493 |
MESSAGE FORWARDING METHOD, SYSTEM, AND RELAY AGENT DEVICE
The present disclosure provides a message forwarding method and system, and a relay agent device. The forwarding method includes: receiving a first DHCPv6 message from a DHCPv6 client through a... |
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US20140105214 |
MESSAGE FORWARDING METHOD, SYSTEM, AND RELAY AGENT DEVICE
The present disclosure provides a message forwarding method and system, and a relay agent device. The forwarding method includes: receiving a first DHCPv6 message from a DHCPv6 client through a... |
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US20130329736 |
CONTENTION FREE PIPELINED BROADCASTING WITHIN A CONSTANT BISECTION BANDWIDTH NETWORK TOPOLOGY
In an interconnection network, multiple nodes are connected to one of a first layer of switches. The first layer of switches is connected to one another through a second layer of switches. Each of... |
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US20140044132 |
TECHNIQUE FOR ETHERNET ACCESS TO PACKET-BASED SERVICES
An Ethernet Metropolitan Area Network provides connectivity to one or more customer premises to packet-bases services, such as ATM, Frame Relay, or IP while advantageously providing a mechanism... |
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US20140314086 |
QUERYING A TRAFFIC FORWARDING TABLE
The invention relates to a computer implemented method of querying a traffic forwarding table at a device in a computer network, the traffic forwarding table having entries which are accessible... |
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US20150071285 |
DISTRIBUTED SERVICE CHAINING IN A NETWORK ENVIRONMENT
An example method for distributed service chaining in a network environment is provided and includes receiving a packet belonging to a service chain in a distributed virtual switch (DVS) network... |
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US20110032939 |
NETWORK SYSTEM, PACKET FORWARDING APPARATUS, AND METHOD OF FORWARDING PACKETS
A network system includes: a first network; an authentication server; a second network; a network; and a packet forwarding apparatus, wherein the packet forwarding apparatus includes: a forwarding... |
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US20110044342 |
METHOD FOR POPULATING A FORWARDING INFORMATION BASE OF A ROUTER AND ROUTER
A method for populating a forwarding information base of a router of an autonomous system (AS) in the Internet's Default Free Zone (DFZ), wherein the forwarding information base contains a... |
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US20140140347 |
TIE-BREAKING IN SHORTEST PATH DETERMINATION
A consistent tie-breaking decision between equal-cost shortest (lowest cost) paths is achieved by comparing an ordered set of node identifiers for each of a plurality of end-to-end paths.... |
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US20120027017 |
MULTI-DESTINATION FORWARDING IN NETWORK CLOUDS WHICH INCLUDE EMULATED SWITCHES
Techniques are described which facilitate multi-destination forwarding in a Layer 2 Multipath (L2MP) network which includes an emulated switch. The emulated switch may correspond to two or more... |
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US20130215892 |
NETWORK PROVIDER BRIDGE MMRP REGISTRATION SNOOPING
A provider edge bridge in a service provider network receives multiple media access control (MAC) Registration Protocol (MMRP) registration messages from customer networks via tunnels. The... |
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US20130343386 |
FIRST HOP LOAD BALANCING
In an implementation, a packet is received from a network device. A group identifier is retrieved from the received packet. A plurality of layer-2 switch identifiers that are associated with the... |
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US20130343385 |
HYPERVISOR INDEPENDENT NETWORK VIRTUALIZATION
In one embodiment, a first physical overlay switch located at an edge of an IP network includes logic adapted for: receiving a packet having a virtual local area network (VLAN) identifier (ID)... |
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US20150117461 |
Packet Classification
A packet classification system, methods, and corresponding apparatus are provided for enabling packet classification. A processor of a security appliance coupled to a network uses a classifier... |
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US20130039366 |
Packet Classification
A packet classification system, methods, and corresponding apparatus are provided for enabling packet classification. A processor of a security appliance coupled to a network uses a classifier... |
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US20110317698 |
Multicast-Enabled Address Resolution Protocol (ME-ARP)
A Multicast-Enabled Address Resolution Protocol (ME-ARP) is disclosed. This ME-ARP allows the building of independent IP based Virtual Private LAN segments (VPLS) over a multicast enabled IP... |
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US20130010797 |
CUSTOM ROUTING DECISIONS
With the advent of virtualization technologies, networks and routing for those networks can now be simulated using commodity hardware rather than actual routers. For example, virtualization... |
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US20120051362 |
METRO ETHERNET SERVICE ENHANCEMENTS
Numerous enhancements to metro Ethernet network (MEN) services include an enhancement of the overall MEN Quality of Service (QoS) architecture, an enhancement to classification at the provider... |
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US20120250691 |
TRANSMITTING A PACKET FROM A DISTRIBUTED TRUNK SWITCH
A method of transmitting a packet from a distributed trunk switch and a computer-readable medium storing instructions therefor is described. The method comprises populating an address table of the... |
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US20140269725 |
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... |
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US20150043576 |
SOFTWARE DEFINED NETWORK (SDN) SWITCH CLUSTERS HAVING LAYER-3 DISTRIBUTED ROUTER FUNCTIONALITY
According to one embodiment, Layer-3 (L3) distributed router functionality is provided to a switch cluster by receiving an address resolution protocol (ARP) request packet from a first host at an... |
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US20130208722 |
PACKET ROUTING WITH ANALYSIS ASSIST FOR EMBEDDED APPLICATIONS SHARING A SINGLE NETWORK INTERFACE OVER MULTIPLE VIRTUAL NETWORKS
Techniques are provided for packet routing in a distributed network switch. The distributed network switch includes multiple switch modules operatively connected to one another, and each switch... |
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US20130208721 |
PACKET ROUTING WITH ANALYSIS ASSIST FOR EMBEDDED APPLICATIONS SHARING A SINGLE NETWORK INTERFACE OVER MULTIPLE VIRTUAL NETWORKS
Techniques are provided for packet routing in a distributed network switch. The distributed network switch includes multiple switch modules operatively connected to one another, and each switch... |
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US20110007743 |
FILTER-BASED FORWARDING IN A NETWORK
A router receives a packet at an ingress interface. The router classifies the received packet based on at least a first field value contained in the header of the packet. According to the... |
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US20140071989 |
MAPPING PBT AND PBB-TE TRAFFIC TO VPLS AND OTHER SERVICES
Transferring data in a network is disclosed. Transferring includes receiving a Provider Backbone Transport (PBT) frame, identifying a plurality of location specific identifiers in the PBT frame,... |
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US20140056302 |
HYPERVISOR INDEPENDENT NETWORK VIRTUALIZATION
A method includes receiving a packet having a VLAN ID at a first physical overlay switch located at an edge of an IP network, encapsulating the packet with an overlay header, and tunneling the... |
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US20140023079 |
METHOD AND APPARATUS FOR CONFIGURING ADDRESS RESOLUTION PROTOCOL ARP ENTRY
Embodiments of the present invention disclose a method and an apparatus for configuring an ARP entry. The method includes: acquiring, by a first router, when determining that a second router is a... |
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US20120063461 |
Method Of Routing A Packet
The invention concerns a method of routing a packet in a packet switching network, and a corresponding router (50). A new or an obsolete entry in a routing table is detected. A timer is started. A... |
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US20130188642 |
System and Method for Deterministic I/O with Ethernet Based Industrial Networks
A networking system is discussed. The system may be used for industrial networks, where deterministic behavior is often valued. Bounded message travel times may be achieved for a first set of... |
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US20150016459 |
METHOD AND APPARATUS FOR FORWARDING PACKET IN IDENTIFIER/LOCATOR SEPARATION ENVIRONMENT
A method of a node forwarding a packet in an identifier/locator separation environment is provided. The packet forwarding method includes providing a routing table for storing information on... |
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US20130230047 |
METHODS OF OPERATING FORWARDING ELEMENTS INCLUDING SHADOW TABLES AND RELATED FORWARDING ELEMENTS
A method may be provided to operate a forwarding element in a forwarding plane of a network including the forwarding plane and a control plane. The method may include receiving a packet through an... |
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US20130089096 |
METHOD AND SYSTEM FOR MANAGING PROTOCOL CONNECTION IN PBB NETWORK AND BEB NODE
A method and system for managing protocol connection in a PBB network and a BEB node. A first BEB node in the PBB network receives a Pseudo Wire (PW) connection requesting message sent by a second... |
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US20110116506 |
METHODS AND SYSTEMS FOR REROUTE AND GENERATION OF BACKWARD ROUTING INFORMATION
Methods and systems for reroute and generation of backward routing information are provided. When an originator node wants to transmit a packet to a destination node and cannot transmit the packet... |
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US20100309917 |
ENHANCED PACKET CLASSIFICATION
A method for classifying a data packet containing a header is provided. The method may comprise parsing the header of a data packet into header elements. Rules in secondary lookup tables generated... |
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US20150003456 |
SYSTEM AND METHOD FOR TRANSFERRING MESSAGE IN ETHERNET BASED VEHICLE NETWORK
An Ethernet based vehicle network message transferring system is provided that includes a gateway switch that connects the Ethernet to vehicle networks having different protocols and an Ethernet... |
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US20140071991 |
METHOD AND SYSTEM FOR REDIRECTING NETWORKED TRAFFIC
A method of redirecting network traffic from a first, uncontrolled network to a second, controlled network by rewriting the Type of Service field in the header information of an Internet Protocol... |
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US20140226669 |
TRIPLE-TIER ANYCAST ADDRESSING
In one embodiment, a solution is provided wherein redundant routers are treated as a single emulated switch. When a packet is received at a layer 2 edge switch from a host, the layer 2 edge switch... |