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US20120300782 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...
US20140269717 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...
US20140153577 SESSION-BASED FORWARDING  
The present disclosure discloses a method and network device for session based forwarding. Specifically, the disclosed system receives a first packet in a session, and performs a route lookup to...
US20140079064 FACILITATING INSERTION OF DEVICE MAC ADDRESSES INTO A FORWARDING DATABASE  
Techniques are disclosed for hash-based routing table management in a distributed network switch having multiple switch modules. Upon determining that an attempt to insert a first routing entry...
US20140079061 FACILITATING INSERTION OF DEVICE MAC ADDRESSES INTO A FORWARDING DATABASE  
Techniques are disclosed for hash-based routing table management in a distributed network switch having multiple switch modules. Upon determining that an attempt to insert a first routing entry...
US20150207732 BROADBAND ACCESS FOR VIRTUAL PRIVATE NETWORKS  
Communications between a source and a destination include receiving, at an egress edge device from an ingress edge device, an upper layer packet including a virtual private network identification...
US20130308643 BROADBAND ACCESS FOR VIRTUAL PRIVATE NETWORKS  
Communications between a source and a destination include receiving, at an egress edge device from an ingress edge device, an upper layer packet including a virtual private network identification...
US20120155395 Client modeling in a forwarding plane  
In one embodiment, a method includes receiving a packet at a network device in communication with a plurality of client nodes, the packet identifying a first client node, performing a look up in a...
US20110222538 Method and System for L3 Bridging Using L3-To-L2 Mapping Database  
A method may include creating an L3-L2 database on a first switch, the database having one or more entries, each entry: (a) associating a Level 3 (L3) unique identifier associated with a virtual...
US20120230225 Hash-Based Load Balancing with Per-Hop Seeding  
Methods and apparatus for improving hash-based load balancing with per-hop seeding are disclosed. The methods and apparatus described herein provide a set of techniques that enable nodes to...
US20110317704 DENSE MODE CODING SCHEME  
A lookup table for searching for a longest prefix match for a key is disclosed. The lookup table provides a match for a key in a single search cycle. The number of matches stored in the lookup...
US20140064278 MODIFICATION OR ADDITION TO FORWARDING TABLE BASED ON ADDRESS  
Embodiments herein relate to addition or modification to a forwarding table based on an address. A first packet having a source address and a location value may be received. The source address...
US20120176893 CONGESTION NOTIFICATION IN PRIVATE VLANS  
One embodiment of the present invention provides a switch. During operation, in a network with a private VLAN configuration, the switch allows a congestion notification message with an isolated...
US20140043972 Service Instance Mapping Method, Apparatus and System  
The present invention discloses a service instance mapping method, apparatus and system. The service instance mapping method includes: correlating a layer-2 service instance with a service access...
US20150207905 SYSTEMS AND METHODS FOR PROCESSING PACKETS  
A network switch apparatus, includes: a network port configured to receive a packet; instrument ports configured to communicate with respective network monitoring instruments; a packet duplication...
US20150110109 PATHWAY DECISION FORWARDING FOR RACK DOMAINS  
Methods and systems for improved pathway decision forwarding for rack domains include a gravity well forwarding protocol that enables local forwarding decisions at each network node involved with...
US20140064279 RESILIENT PEER-TO-PEER APPLICATION MESSAGE ROUTING  
Embodiments of present invention relates to a method of, and device for facilitating, resilient peer-to-peer application message routing. The method comprises storing a network routing table...
US20140177635 APPLICATION NON DISRUPTIVE TASK MIGRATION IN A NETWORK EDGE SWITCH  
An apparatus and a method are described for zero packet loss task migration in an network switch in a computer network. The invention relates to active or programmable networks, i.e. networks...
US20140153572 SOFTWARE-DEFINED NETWORK OVERLAY  
A software-defined network overlay capability is configured to control one or more overlay networks using software-defined networking (SDN) in which control functions and forwarding functions are...
US20110299533 INTERNAL VIRTUAL NETWORK IDENTIFIER AND INTERNAL POLICY IDENTIFIER  
Systems and techniques for processing and forwarding packets are described. Some embodiments provide a system (e.g., a switch) which determines an internal virtual network identifier and/or an...
US20150200847 METHOD AND SYSTEM FOR IMPLEMENTING A NETWORK POLICY USING A VXLAN NETWORK IDENTIFIER  
A method and system for applying a network policy in a virtual extensible local area network (VXLAN) environment. The method includes receiving, at a network device, a VXLAN frame that includes a...
US20110228782 Method for Performing Protocol Translation in a Network Switch  
A system and method are disclosed for processing a packet. Processing the packet comprises receiving the packet; translating the packet from a first protocol-specific format to a canonical packet...
US20140301394 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...
US20150139239 DIRECTED ROUTE LOAD/STORE PACKETS FOR DISTRIBUTED SWITCH INITIALIZATION  
Techniques for transmitting a packet from a source switch module to a destination switch module. Embodiments receive, at a first port of a first switch module, a packet that includes (i) path...
US20110069706 TECHNIQUES FOR NEXT-HOP OPTIMIZATION  
Techniques for efficiently storing and using routing and associated next-hop information in a network device. The amount of next-hop information that is stored for routes in a routing table is...
US20110142045 IPv6 VLAN TAG PACKET TRANSPORT OPTIMIZATION  
A network device receives an Ethernet frame sent from an originating device toward a destination device, determines whether the frame includes an Internet Protocol version 6 (IPv6) payload, and...
US20130215895 ENCODING VIRTUAL LAN TAGS  
Various embodiments are disclosed for encoding and decoding VLAN identifiers. One such method includes mapping the VLAN identifier, associated with the frame, to a number of extra bytes. The...
US20120134361 SYSTEM AND METHOD OF UTILIZING A FRAMEWORK FOR INFORMATION ROUTING IN LARGE-SCALE DISTRIBUTED SYSTEMS USING SWARM INTELLIGENCE  
In some embodiments, the invention involves information routing in networks, and, more specifically, to defining a framework using swarm intelligence and utilization of the defined framework for...
US20120020357 TRANSPORT CONTROL SYSTEM AND TRANSPORT CONTROL SERVER  
A transport control server (100) wherein a conversion table including a pre-conversion identifier and a post-conversion identifier, and a conversion type indicating the aggregate/transfer of a...
US20140369358 CONNECTIVITY PLATFORM  
Disclosed are a connectivity platform that allows for proprietary connectivity modules to plug into the operating system and also allows the operating system users and various existing networking...
US20140071990 OVERLAY NETWORK CAPABLE OF SUPPORTING STORAGE AREA NETWORK (SAN) TRAFFIC  
In one embodiment, a method for sending FCoE traffic over an overlay network includes receiving a block of media access control (MAC) addresses for use in local fabric initialization protocol...
US20120307652 LIGHTWEIGHT STORING MODE FOR CONSTRAINED COMPUTER NETWORKS  
In one embodiment, a management device, such as a root node, monitors Internet Protocol (IP) overhead (e.g., IP header sizes during source-routing or route table sizes) within a directed acyclic...
US20120281557 TECHNIQUES FOR PRIVILEGED NETWORK ROUTING  
Techniques for privileged network routing are provided. As traffic is received at a gateway of a network backbone provider environment it is interrogated for predefined criteria. If the traffic...
US20150110111 Forward Packet with Edge Device  
When a User Edge Device (UED) receives a unicast packet from a user side, the UED searches in a Media Access Control (MAC) table. When a matching entry in the MAC table is found, the UED forwards...
US20150256357 Enabling Virtual Workloads Using Overlay Technologies To Interoperate With Physical Network Services  
A solution is provided to enable cloud service provider customers/users to offer physical network services to virtualized workloads that use overlay technologies, such as a Virtual Extensible...
US20110286458 DYNAMIC UPDATE OF ROUTE TABLE  
A method and apparatus for dynamically modifying routing information in an interconnect architecture without quiescence is herein described. Each agent/node holds routing information regarding...
US20140269709 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...
US20140023078 Method and Apparatus for Transporting Ethernet Services  
Frames of customer traffic may be encapsulated by adding Mac-in-Mac (MiM) encapsulation fields for transportation of the frames over a portion of provider network. The MiM encapsulated traffic may...
US20130272308 Method and Apparatus for Transporting Ethernet Services  
Frames of customer traffic may be encapsulated by adding Mac-in-Mac (MiM) encapsulation fields for transportation of the frames over a portion of provider network. The MiM encapsulated traffic may...
US20140269712 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...
US20140153578 Border Gateway Protocol Extended Community Attribute for Layer-2 and Layer-3 Virtual Private Networks  
Described are a network, computer program product, and method of distributing routing information for a virtual private network (VPN) application through a packet-switched network (PSN) having...
US20120008630 Border Gateway Protocol Extended Community Attribute for Layer-2 and Layer-3 Virtual Private Networks  
Described are a network, computer program product, and method of distributing routing information for a virtual private network (VPN) application through a packet-switched network (PSN) having...
US20140301396 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,...
US20120093154 METHODS AND APPARATUS TO UTILIZE ROUTE PARAMETER SETS FOR EXCHANGING ROUTES IN A COMMUNICATION NETWORK  
Methods and apparatus to utilize route parameter sets for exchanging routes in a communication network are disclosed. An example method to exchange routes in a communication network disclosed...
US20140092906 SYSTEM AND METHOD FOR BINDING FLOWS IN A SERVICE CLUSTER DEPLOYMENT IN A NETWORK ENVIRONMENT  
A method is provided in one example and includes receiving a first packet of a connection between a client and a server. The first packet is tagged with a tag comprising a member id of a service...
US20140233566 DIRECTED ROUTE LOAD/STORE PACKETS FOR DISTRIBUTED SWITCH INITIALIZATION  
Techniques are described for transmitting a packet from a source switch module to a destination switch module. Embodiments include receiving, at a first switch module, a packet that includes (i)...
US20150078384 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 and consults a tree structure to identity a prefix length associated with an IP...
US20120182993 HYPERVISOR APPLICATION OF SERVICE TAGS IN A VIRTUAL NETWORKING ENVIRONMENT  
A physical host executes a virtual machine monitor (VMM) in communication with a plurality of consumer virtual machines (VMs). In response to receipt of a packet, the VMM determines whether a...
US20110164619 METHOD AND SYSTEM FOR SUPPORTING EMERGENCY SERVICE AND PACKET CONTROL FUNCTION ENTITY  
A method and system for supporting emergency service over a High Rate Packet Data (HRPD) Access Network (AN) and a Packet Control Function (PCF) entity. The method comprises the following steps:...
US20150098472 Routing Packet From Edge Device to Home Network or From Home Network to Remote Access Network  
A packet originating from, or destined for, a client device is routed according to a routing policy which redirects the packet to a home network of the client device, or to a remote access network...