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Preventing network denial of service attacks using an accumulated
Accumulated proof-of-work approaches for protecting network resources against denial-of-service attacks are disclosed. A client computer or other requester is...
Circuit to reduce rail noise voltage spikes due to switching on an
A circuit to reduce noise spikes on the power and ground rails of a chip when switching over an input-output bus, the circuit comprising an encoder to encode a...
Control key capable of storing multiple and variable data packet
Methods, systems, and an apparatus for generating and dispatching a flexible control key to be appended with the data packets while being dispatched across a...
Method and apparatus for dynamically configuring customer premises network
Techniques for configuring a customer premises equipment connected to a network of a network service provider include receiving configuration information at a...
Communications system employing single-pair identity circuit for remotely
A discovery technique employs a single-conductor-pair identity circuit for a remotely powered device. A communications system includes a first communications...
Method and apparatus for dynamically adjusting system timers in wireless
networks to optimize connection...
A root node sets wireless network timer values by using dynamic location information of a plurality of non-root nodes. In an embodiment, the root node and the...
Scheduling eligible entries using an approximated finish delay identified
for an entry based on an associated...
Eligible entries are scheduled using an approximated finish delay identified for an entry based on an associated speed group. One implementation maintains...
System and method for optimizing data transport in a communications system
A first router receives an original IS-634 standard frame formatted message over an A-bis interface from a base transceiver station. The first router identifies...
Methods and apparatus for optimizing NAT traversal in Mobile IP
Methods and apparatus for optimizing NAT traversal in Mobile IP are disclosed. Various mechanisms may performed independently or in combination with one another....
Constraining flooding of multicast traffic in Layer2 networks
A mechanism for a network device to constrain multicast flooding of out-of-profile multicast frames is provided by defining a multicast flood domain that...
Methods and apparatus for encapsulating a frame for transmission in a
storage area network
Methods and apparatus for encapsulating a packet or frame for transmission in a storage area network are disclosed. A packet or frame compatible with a standard...
Computing inter-autonomous system MPLS traffic engineering LSP paths
Systems and methods for computing the paths of MPLS Traffic Engineering LSPs across Autonomous System and/or area boundaries. A distributed path computation...
System and method for efficient selection of a packet data servicing node
A data communication system is provided that allows for the efficient management of data communication sessions requested from a plurality of packet data...
Method to scale hierarchical route reflectors using automated outbound
route filtering-list mechanism
A method for scaling hierarchical route reflectors (RRs) using automated Outbound Route Filtering (ORF) is presented. A first route reflector identifies other...
Withdrawing multiple advertised routes based on a query defined in a
withdraw message which may be of...
Routes are withdrawn based on a query defined in a withdraw message. One or more route update messages identifying multiple routes with associated attributes and...
System and methods for sending trace messages
A traceroute mechanism enables responses to the traceroute to reach the originating router (originator) along a multihop pseudowire (PW). A traceroute message...
Dynamic enforcement of MPLS-TE inter-domain policy and QoS
A technique dynamically enforces inter-domain policy and quality of service (QoS) for Traffic Engineering (TE) Label Switched Paths (LSPs) between a local domain...
Tokens in token buckets maintained among primary and secondary storages
Token buckets are used in a computer or communications system for controlling rates at which corresponding items are processed. The number of tokens in a token...
Combined electro-mechanical and solid state switching fabric
According to the present invention, methods and apparatus are provided to allow efficient switching of cable lines from failed line cards to protect line cards....
Restartable spanning tree for high availability network systems
A method and apparatus for continuing the operation of a spanning tree protocol at a network device despite crashes or failures at that device is disclosed. The...
Wide frequency offset correction using encoded interburst phase
Systems and methods for wide frequency offset synchronization are provided. A synchronization data sequence is encoded onto a series of OFDM frequency domain...
Mini USB device
System and method for interconnecting heterogeneous layer 2 VPN
Systems and methods for interconnecting heterogeneous layer 2 virtual private network applications. To facilitate such interconnections, a common addressing...
Methods and apparatus for network congestion control
Methods and apparatus are provided for controlling congestion in a network such as a fibre channel network. Techniques are provided for characterizing traffic...
Measurement of air quality in wireless networks
A system for measuring air quality in wireless networks. In particular implementations, a method includes computing an interference severity level for a...
Methods, apparatuses and systems facilitating client handoffs in wireless
Methods, apparatuses, and systems directed to facilitating roaming and client handoffs in wireless networks. In one implementation, the present invention is...
System and method for consolidating media signaling to facilitate internet
protocol (IP) telephony
A system and method for consolidating media signaling to facilitate IP telephony includes receiving a first message exchange in a first protocol from a first...
Method for universal transport encapsulation for internet protocol network
A method for implementing a simple protocol, referred to as the universal transport interface (UTI), that can be used to create high speed Internet Protocol (IP)...
Method and apparatus for mixed-cast routing through a Clos-like network
Methods and apparatus for routing mixed cast requests through a Clos-like network are disclosed. According to one aspect of the present invention, a method for...
Advanced voice communication feature transparency in a telecommunications
An auxiliary communication network is introduced into a virtual private network for passing signaling messages that present features not supported by the public,...
Integration of an analog phone with unlicensed mobile access/global system
for mobile communications functionality
In one embodiment, a UMA-integrated device includes at least one cellular UMA integrated circuit supporting the UMA Up architecture from the IP transport layer...
System and method for enabling multicast group services in a network
A method for enabling a service in a network environment is provided that includes establishing a communication link with an end user and evaluating signaling...
Call optimization in ad-hoc conference calls
A method and system for adding a participant to a conference call. A feature of the method and system is that with respect to individual invitees to ad-hoc...
Methods and apparatus to prevent network mapping
A trace detector prevents network mapping and tracing by detecting an initial packet containing an initial time to live value that meets a first predetermined...
VoIP verification is initiated by subscriber-side test VoIP appliance, or VoIP proxy agent. Test VoIP appliance is coupled to test node over a communications...
Stateful distributed event processing and adaptive security
The invention provides method and apparatus for maintaining a networked computer system including first and second nodes and an event processing server, the...
Managing foreign-owned fields in versioned messages
A method and system for transforming client messages including foreign-owned fields that utilizes an infrastructure to transform the foreign-owned fields...
Application server system and method
An application server system is provided having a core engine connecting one or more protocol providers to one or more applications. In a preferred embodiment,...
Techniques for controlling delivery of power to a remotely powerable
device based on temperature
An improved method is performed within power-sourcing equipment. The method controls delivery of power to a remotely powerable device through a communications...
Processing location information among multiple networks
Gathering location information from a first wireless network to determine whether to anchor a communication session in a second wireless network, a mobile node...
Integrated fiber fish
In one embodiment, an electronics chassis with an integrated fiber fish configured to move fiber optic cable between the front and rear of the chassis. The fiber...
System and method for multiple channel statistical re-multiplexing
A system and method for multiple channel statistical re-multiplexing preferably includes a plurality of encoders each coupled to a respective channel and...
Method and apparatus for automatic detection and provisioning of DS3 frame
Methods and apparatus for automatically detecting the frame format of a data signal and automatically provisioning a port based on the detected frame format are...
Layer-two interworking applied to L2-L3 pseudowires
A method and apparatus for performing Layer 2 (L2) interworking is presented. A L2 Protocol Data Unit (PDU) is received at an L2 Switching Entity (SE). The L2...
Route optimization for a mobile IP network node in a mobile ad hoc network
A clusterhead of a tree-based, mobile ad hoc network includes a mobile IP proxy resource for registering a received binding update request from a mobile ad hoc...
Method and system for dynamically assigning channels across multiple
access elements in a wireless LAN
In a fixed channel wireless network system with a limited number of channels, assignment of the fixed channels between remote client elements and access elements...
Method and apparatus for an enhanced VoIP call initiation interface
A method and apparatus is disclosed for providing an improved interface to a caller during the initiation of a VoIP call. The present invention includes placing,...
Discovering MPLS VPN services in a network
Discovering a network service topology of a virtual private network (VPN) that uses multiprotocol label switching (MPLS) comprises receiving route target values...
Distributing and balancing traffic flow in a virtual gateway
The distribution of traffic flows in a load-sharing redundancy group that includes a first gateway device and a second gateway device includes assigning a first...
Enhancing transmission reliability of monitored data
In one embodiment, an apparatus comprises logic encoded in one or more tangible media for enhancing transmission reliability of monitored data. The logic is...