At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Symmetrical codec selection in an asymmetrical codec environment
A codec selector, and a corresponding method for establishing media channels between a local endpoint and a remote endpoint, are disclosed. The codec selector...
Resource reservation scheme for path restoration in an optical network
A method for reserving resources for restoration of a failed virtual path in a mesh optical network is defined. The method in one embodiment, defines multiple...
High data rate wireless bridging
A specialized preamble is provided to facilitate matrix channel estimation of a MIMO channel. In a particular implementation, a channel training preamble...
Cryptographic peer discovery, authentication, and authorization for
A method is disclosed for cryptographic peer discovery, authentication, and authorization. According to one embodiment, a data packet, which is addressed to a...
Method and apparatus for scheduling using a resource variable decreased by
amounts corresponding to the...
Methods and apparatus are disclosed for scheduling items in a system, such as, but not limited to a computer or communications system. An item is identified and...
Error protecting groups of data words
Disclosed are, inter alia, methods, apparatus, data structures, computer-readable media, and mechanisms, for use in protecting groups of data words. One...
Clock synchronization and fault protection for a telecommunications device
According to one embodiment, a telecommunications device includes a bus and a controller coupled to the bus that generates a system clock signal according to a...
802.11 using a compressed reassociation exchange to facilitate fast
A method and system for handling roaming mobile nodes in a wireless network. The system uses a Subnet Context Manager to store current Network session keys,...
Generating and merging lookup results to apply multiple features
Methods, apparatus, and other mechanisms are disclosed for merging lookup results, such as from one or more associative memory banks and/or memory devices. In...
Method and apparatus for redirecting network traffic
Methods and apparatus are described for intelligently redirecting and/or processing traffic. In one embodiment, a method of facilitating redirection of traffic...
Phased learning approach to determining closest content serving sites
In order to direct content requests to an appropriate content serving site in a computer network, a phased learning approach is utilized to ensure that, as best...
Unified high-performance database connectivity system and method
The present invention utilizes a comprehensive object oriented software architecture that is flexibly extendible to accommodate numerous features and activities...
Method and system for sharing over-allocated bandwidth between different
classes of service in a wireless network
A method and system for sharing over-allocated bandwidth between different classes of service in a wireless network. Traffic is transmitted for a first service...
Method and system for automatic call distribution based on location
information for call center agents
A method for distributing calls of an automatic call distributor system includes determining location information for agents at a call center. The method further...
Addressing scheme implemented in access networks
An improved addressing scheme is disclosed for use in access networks. According to a specific embodiment, upstream and/or downstream channels may be grouped...
Residue-based encoding of packet lengths of particular use in processing
and scheduling packets
Processing a packet typically includes enqueuing the packet on to a queue when it arrives at a device, and then at some later time under control of the...
Apparatus and method for distributing buffer status information in a
Network switching and/or routing devices can use switching fabrics that gather information about output port buffer status and distribute that information to...
Method and apparatus for generating and using enhanced tree bitmap data
structures in determining a longest...
Methods and apparatus are disclosed for generating and using an enhanced tree bitmap data structure in determining a longest prefix match, such as in a router,...
Method and apparatus for handling out of inverse multiplexing for
asynchronous transfer mode frame error conditions
Methods and apparatus are disclosed for handling transient anomalies in a communications or computer device or system, such an inverse multiplexing for ATM...
Method and apparatus for transporting MPEG streams on IP networks
including removing null packets
An encapsulation method and an apparatus for encapsulating compressed media packet into IP packets. The encapsulating method includes accepting a compressed...
Reverse path forwarding protection of packets using automated population
of access control lists based on a...
Reverse path forwarding protection of packets is provided using automated population of access control lists based on a forwarding information base. One...
Method and apparatus for determining a network topology in the presence of
network address translation
The present invention may be used for determining a topology of a network in the presence of network address translation. From an active client behind a...
Control of inter-zone/intra-zone recovery using in-band communications
A method of communicating information regarding a failure is disclosed. The method includes generating failure information. The failure affects a virtual path,...
Associative memory cells configured to selectively produce binary or
ternary content-addressable memory lookup...
Associative memory bit cells are disclosed for selectively producing binary or ternary content-addressable memory lookup results. Associative memory bit cells...
Application server configured for dynamically generating web forms based
on extensible markup language...
An application server, configured for dynamically generating a web page (e.g., HTML) document based on execution of XML documents, dynamically generates an HTML...
Enabling stateless server-based pre-shared secrets
A method is disclosed for enabling stateless server-based pre-shared secrets. Based on a local key that is not known to a client, a server encrypts the client's...
Method for fast, secure 802.11 re-association without additional
authentication, accounting and authorization...
A method wherein an access point authenticates itself with neighboring access points and establishes secure and mutually authenticated communication channels...
Multiple-level internet protocol accounting
A method and apparatus for providing computer network access points the capability for multiple-level accounting. A gateway device located at the access point is...
Load balancing using distributed forwarding agents with application based
feedback for different virtual machines
A system and method are described for selecting a server to handle a connection. The method includes receiving at a service manager a connection request...
Method and apparatus for creating policies for policy-based management of
quality of service treatments of...
A method and apparatus for creating policies for use in policy-based management of quality of service treatments of network data traffic flows are described. The...
Method and system for dynamic soft handoff resource allocation in a
A method and system for dynamic soft handoff resource allocation in a wireless communications network includes determining a wireless path characteristic...
Bi-directional long haul/ultra long haul optical communication link
A bi-directional configuration is employed to implement a hybrid ultra long haul (ULH)/long haul (LH) optical transmission system. The link carries ULH channels...
Traffic management scheme for crossbar switch
A crossbar switch is provided that can allocate output port bandwidth both among multiple classes of service and among input ports. In one implementation, there...
AAL-2 switched voice wan networking
A scheme for using a virtual UNI (user network interface) to allow standards-based signaling protocols (e.g., Q.2931) to be used to manage the addition and...
Header range check hash circuit
A technique efficiently searches a hash table containing a plurality of "ranges." In contrast with previous implementations, the technique performs fewer...
Multiprotocol encapsulation system and method
A multiprotocol encapsulation method and system for transporting different protocols over Ethernet are disclosed. The method includes receiving frames from an...
Method and apparatus for inter-layer binding inspection to prevent
A method for inspecting packets is disclosed. The method includes processing a packet by determining if the packet is an inter-layer binding protocol packet and...
Methods and apparatus for supporting IP multicast for a mobile router
Methods and apparatus for supporting a Mobile IP mobile router are disclosed. A method of establishing a multicast session, thereby enabling multicast IP data...
Method and apparatus for backhaul of telecommunications signaling
protocols over packet-switching networks
A generic backhaul protocol is provided for passing telecommunication signaling messages according to multiple signaling protocols between a gateway and a media...
Transparent re-routing of MPLS traffic engineering LSPs within a link
Local rerouting around a failed component link of a link bundle is provided by immediately substituting one or more other component links of the same link...
Error protected ternary content-addressable memories and lookup operations
Ternary content-addressable memory (TCAM) entries are disclosed for use in performing error-protected lookup operations by allowing an error budget of u...
Network based device for providing RFID middleware functionality
Some embodiments of the present invention provide middleware functionality integrated into a module of a network device, such as a router or switch, that is...
Wireless notebook adapter
System and method for maintaining protocol status information in a network
A method may involve: maintaining protocol status information for a network protocol, where the protocol status information includes protocol information...
Enhanced switchover for MPLS fast reroute
A Fast Reroute implementation where switchover time to backup tunnels upon failure of a protected network element is independent of a number of entries...
Proactive call and contact center system
A proactive call center which detects problems, resolves the problems, and then contacts the customers before customers initiate calls themselves. In the present...
Efficient representation of system network management object identifiers
Systems and methods for efficient storage of network management object identifiers are provided. Object identifiers such as SNMP MIB object identifiers are...
Weighted fair queuing-based methods and apparatus for protecting against
overload conditions on nodes of a...
An improved network device that controls throughput of packets received thereby, e.g., to downstream devices or to downstream logic contained within the same...