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Enhanced internal router redundancy
Disclosed are methods and apparatus for providing redundant data forwarding or routing capabilities. In one embodiment, a network device includes a designated...
System and method for PE-node protection
A novel fast reroute (FRR) technique is provided for quickly and efficiently rerouting selected types of network traffic in response to a node or link failure at...
Method and apparatus for advertising repair capability
A method of advertising repair capability in a network repair scheme using network repair addresses for repairing around a repairable network component in a data...
Lumped-Raman amplification structure for very wideband applications
Improved lumped Raman amplification systems are disclosed. A lumped Raman amplification structure provides optimized efficiency, low noise figure over a range of...
System and method for providing location specific sound in a telepresence
A system for providing location-specific sound in a telepresence system includes a plurality of remote microphones. Each remote microphone is associated with a...
Two stage loss-less compressor for a clear channel over a packet network
A two stage compression sub-system for clear channel data. The front stage of the compressing sub-system is an octet based repeat compressor (for example a flag...
Graphical indicator for the multiplexed display of line graph information
A method is disclosed for displaying a multiplexed property indicator on a network topology map. A coloration designation specification that specifies...
Network router configured for executing network operations based on
parsing XML tags in a received XML document
A router is configured for routing, via an open protocol network, a received message to a destination node based on parsing an XML portion within the received...
Content addressable memory entry coding for error detection and correction
A Content Addressable Memory (CAM) or Ternary CAM (TCAM) provides error detection and correction (EDAC). EDAC codes are chosen based on logical and physical...
Methods and apparatus for virtual private network fault tolerance
Methods and apparatus are provided for enhancing security and fault tolerance for VPN gateways connecting clients in a public network with entities in a private...
DFA sequential matching of regular expression with divergent states
Disclosed are, inter alia, methods, apparatus, data structures, computer-readable media, and mechanisms, for identifying matches to a series of regular...
Generating accounting data based on access control list entries
Methods, apparatus, and other mechanisms are disclosed for generating accounting or other data based on that indicated in access control lists or other...
Network partitioning using encryption
In an example embodiment, a system for providing a Virtual Local Area Network (VLAN) by use of encryption states or encryption keys for identifying a VLAN. A...
Dynamic speed dial number mapping
A method of facilitating a telephonic response to an electronic message is described. The method includes determining at least one telephone number from a...
System and method for identifying caller
A method of providing telecommunication service includes receiving caller identification information associated with a call to a communication device and...
Rate control in communications systems
Communications rate control is described. The rate control includes receiving a message addressed to a client device of a user. A determination is made as to a...
Multi-rate multi-receiver multi-response aggregation
A method for sending a multi-rate multi-receiver message containing a multi-receiver multi-response aggregate. The multi-rate multi-receiver aggregate is...
MPLS cookie label
A method and system for preventing misforwarding of packets from an MPLS network to a virtual private network are disclosed. The method includes receiving a...
System and methods for network segmentation
A routing mechanism provides network segmentation preservation by route distribution with segment identification, policy distribution for a given VPN segment,...
Downstream remote physical interface for modular cable modem termination
A modular Cable Modem Termination System (CMTS) includes a packet shelf operating a Data Over Cable Service Interface Specifications (DOCSIS) Media Access...
Faster routing protocol convergence using efficient message markup
Devices executing routing protocols can mark routing protocol messages as urgent so that peer devices are signaled to consume the messages on an expedited basis....
Media inactivity detection in VoIP networks
Systems and techniques to determine that a VoIP call is an inactive media call. One or more counters may be used to determine information indicative of an...
Coordinated reboot mechanism reducing service disruption in network
In one embodiment, a method includes identifying a plurality of network elements for reinitiation, wherein the network elements are operative to manage at least...
Method and apparatus for interconnecting a private cellular network to a
public cellular network
A communications system extends over a cellular region formed of a plurality of wireless cells where each cell covers a portion of the cellular region. Each cell...
Mesh backhaul network planning
In an example embodiment, a number of contending nodes and colliding nodes for a plurality of links of a network is determined. The capacity of each of the...
Method and system for classifying packets in a network based on meta rules
In one embodiment, a packet in a network is classified. A header of the packet includes various fields. Single-dimensional lookups are performed for each header...
Analysis of network performance
A method for testing of a communication network, using a plurality of traffic agents coupled to communicate via the network. The method includes transmitting a...
Method, apparatus, and system for improving ethernet ring convergence time
One embodiment in accordance with the invention is a method that includes detecting a failure in a ring network and transmitting a multicast message across the...
Network routing apparatus that performs soft graceful restart
A network data packet routing apparatus with BGP is configured to soft reset an AFI or SAFI, so that forwarding on routes associated with the AFI or SAFI can...
Electronic bandage with flexible electronic controller
An electronic bandage includes (i) bandage material, (ii) a treatment portion supported by the bandage material, the treatment portion being constructed and...
System and method for coordinated network configuration
Disclosed are device managers, systems and methods for coordinating the configurations of devices on a network. An exemplary system having devices and/or device...
Querying ASAP policy systems
Methods and devices for querying any-service-any-port policy systems. A method for a network device to route calls using policy considerations receives a call...
Method and apparatus for handling SCTP multi-homed connections
Disclosed are methods and apparatus for reliably handling Stream Control Transmission Protocol (SCTP) multi-homed connections across multiple translation (e.g.,...
Network-wide service discovery
Disclosed are methods and apparatus for network wide discovery of service ports of a gateway device in a storage area network (SAN) that are available for use by...
Managing endpoint addresses separately from managing endpoint mobility
Performing management operations for a mobile node present in a foreign network includes performing an address management operation and a mobility management...
Method and system for failover capability for remote call center agents
A method for providing fail-over capability in a local branch of a call center includes determining, by a local device, which of a plurality of phones are call...
System and method for providing a presence based Camp-On feature in a
A method for facilitating a data session in a communications environment is provided that includes initiating, by a first endpoint, a call that is intended for a...
Ethernet encapsulation over optical transport network
A method and system for encapsulating a frame for transport over an optical transport network are disclosed. A method includes receiving a packet at a network...
Apparatus for limiting VPNv4 prefixes per VPN in an inter-autonomous
An apparatus for limiting Virtual Private Network (VPNv4) prefixes per VPN in an inter-autonomous system environment are presented. A limit on the number of...
Inter-enterprise telephony using a central brokerage device
A system for inter-enterprise telephony communications includes a central brokerage device that can receive a packet encoding a dialed telephone identifier...
System and method for providing a virtual line channel in a packet based
A method for implementing a virtual line channel in a packet switched network includes reserving a virtual line channel associated with a first station and...
Transparent wireless bridge route aggregation
In an example embodiment, there is described herein a "Wireless Route Aggregation Protocol" (WRAP) that is used to aggregate multiple wireless links into a WRAP...
Inter-domain optimization trigger in PCE-based environment
A technique triggers optimization of a traffic engineering (TE) label switched path (LSP) that spans multiple domains of a computer network from a head-end node...
Method and apparatus for distributing labels in a label distribution
protocol multicast network
A method of distributing labels in a label distribution protocol multicast network having a root node and at least one leaf node comprises the steps, performed...
Multicast fast reroute for network topologies
In one embodiment, a method includes receiving a multicast join message at a node having a plurality of interfaces, identifying the interface at which the join...
Methods and apparatus providing security for multiple operational states
of a computerized device
A system controls security during operation of a computerized device by enforcing a first security policy during first operational state of the computerized...
Hybrid corrective scheme for dropped packets
In one embodiment, a hybrid packet repair scheme adaptively switches among unicast retransmission, multicast retransmission, and Forward Error Correction (FEC)...
Communicating additional information in a DNS update response by
requesting deletion of a specific record
A technique is performed within a DNS server to respond to a DNS message. The technique includes receiving the DNS message from a requesting device (e.g., a DHCP...
Method and system for testing provisioned services in a network
A method, system, and apparatus are provided for testing a service in a network. A simulated interface is created on a network device by a Network Management...
Selectively forced redirection of network traffic
Techniques for redirecting a client request. The client request is received at a first server. The first server forwards the client request to a second server....