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7386010 Multiprotocol media conversion  
A method for data communications includes linking a plurality of edge devices to communicate with a remote network device via a network in accordance with a packet-oriented Layer 2 communication...
7385994 Packet data queuing and processing  
A method of processing queued data packets in a packet data communication system is provided. The method includes allocating a tier of service for substantially each of a plurality of individual...
7385988 Method and apparatus for limiting VPNv4 prefixes per VPN in an inter-autonomous system environment  
A method, apparatus and computer program product for limiting Virtual Private Network (VPNv4) prefixes per VPN in an inter-autonomous system environment are presented. A limit on the number of...
7379676 Communication apparatus in Ethernet passive optical network  
Provided is a communication apparatus in a PON bridge sublayer, which supports point-to-point communications between optical network units (ONU) in an Ethernet passive optical network (EPON). To...
7369769 Ethernet passive optical network ring and its method of authorization and collision detection  
An Ethernet passive optical network (EPON) ring for providing protection against fiber failures. The optical network unit (ONU) is coupled to the ring fiber by a three-port passive optical...
7368798 Integrated DC/DC converter substrate connections  
Embodiments of the present invention provide an integrated circuit (IC) having an integrated DC-DC power converter therein. This IC is operable to support the distribution of combined power and...
7366182 Methods and apparatus for efficient VPN server interface, address allocation, and signaling with a local addressing domain  
The present invention relates to communications systems and, more particularly, to methods and apparatus for efficient address delegation and/or assignment and/or signaling in a virtual...
7366181 Virtual private network (VPN) with channelized ethernet over sonet (EoS) interface and method  
A VPN includes a shared label switching network, a plurality of VLANs and edge routers interfacing the VLANs with the shared label switching network. The VLANs are each coupled to an edge router...
7352753 Method, system and mirror driver for LAN mirroring  
The present invention discloses a method, system and mirror driver for detecting duplicated frames in a mirrored data communication network system comprising at least one sender, at least one...
7349985 Method, system and computer program product for calculating a VLAN latency measure  
A method for calculating a multi-point VLAN latency measure. The method includes receiving a plurality of links for a VLAN. Each link has a first side and a second side and includes a latency...
7339937 Wide-area content-based routing architecture  
Content networking provides a content-based routing architecture, in which a virtual overlay network called the “virtual content network” is superimposed over the physical network. The content...
7333508 Method and system for Ethernet and frame relay network interworking  
A method and system for interworking between an Ethernet communication network and a frame relay network, in which a first network interface is operable to communicate with the Ethernet...
7327738 System, device, and method for supporting virtual private networks  
A system, device, and method for supporting multiple virtual private networks in an MPOA/NHRP communication network involves encoding a Virtual Private Network (VPN) identifier in certain MPOA/NHRP...
7321582 Method for dynamic control of RTS threshold to improve throughput of MAC in wireless LAN system, and computer-readable medium thereof  
Disclosed is an algorithm for dynamically changing an RTS threshold, which is a threshold for RTS-CTS frame exchange, depending on the traffic load in the BSS so as to maximize the MAC throughput...
7310353 Compression of overhead in layered data communication links  
An apparatus, system and method for converting data in a first packet format, having overhead data in the form of headers and/or trailer padding, into a second, variable-length packet format, in...
7305458 System and method for auto-configuring stackable network devices  
A system and a method for auto-configuring stackable network devices are disclosed for automatically configuring a plurality of stackable network devices. The system for auto-configuring stackable...
7293077 Reconfigurable computer networks  
A computer network is configured to allow addition, deletion and movement of networked objects within the network, which includes a configurable router and a plurality of networked objects, each...
7292581 Large-scale layer 2 metropolitan area network  
A system and method permits the creation of very-large metropolitan area networks (MANs) using Layer 2 (L2) switching technology. Different groups of L2 switches are logically organized into...
7277733 System and method for providing web content provision service using subscriber terminal in exchange system  
System and method for providing a Web content provision service using a subscriber terminal in an exchange system. The Web content provision service system comprises the subscriber terminal...
7277442 Ethernet-to-ATM interworking that conserves VLAN assignments  
Interworking of first and second networks ( 12, 14 ) is accomplished by an interworking facility ( 30 ) that serves to map the destination address in first frames received from the first network...
7272146 MPLS-VPN service network  
An MPLS-VPN (MultiProtocol Label Switching-Virtual Private Network) service network of the present invention includes an interface identifying device. The Interface identifying device includes a...
7266124 Method for setting up QoS supported bi-directional tunnel and distributing L2VPN membership information for L2VPN using extended LDP  
The present invention presents a method for setting up a QoS (Quality-of-Service) supported bi-directional tunnel and distributing L2VPN (Layer-2 Virtual Private Network) membership information for...
7266122 System and method for allocating bandwidth in a communications environment  
A method for allocating bandwidth in a communications environment is provided that includes receiving one or more data streams associated with one or more subscribers at a voice gateway. One or...
7239645 Method and apparatus for managing payload buffer segments in a networking device  
A method and apparatus for bridging network protocols is disclosed. In one embodiment, a data frame is received and stored in a dual-port memory queue by hardware logic. An embedded processor is...
7239638 Systems and methods for the emulation of TDM circuits over a real-time scheduled packet network  
A system and method to emulate any TDM circuit on a Real-Time Scheduled Packet Network. The TDM circuit can be any serial or parallel bit stream, of any bit rate, and can either be synchronized to...
7231430 Reconfigurable, virtual processing system, cluster, network and method  
A platform and method of deploying virtual processing areas networks are described. A plurality of computer processors are connected to an internal communication network. At least one control node...
7200121 Method of setting network configuration and device and system thereof  
A method of setting network configuration, and the device and system implemented in a virtual LAN are disclosed. By utilizing the present invention, a network device, such as switch, which supports...
7180912 System and method for providing a plurality of multi-media services using a number of media servers to form a preliminary interactive communication relationship with a calling communication device  
A system and method for processing a plurality of requests for multi-media services received at a call control element (CCE) defined on the system from a calling communication device. The system...
7170897 Method and apparatus for implementing point-to-multipoint communications over a connection- based data communication network  
A bridged virtual LAN (VLAN) has a number of segments connected by a connection-based network such as an ATM network. Multicast data originating in a first one of the segments is carried to two or...
7161946 Technique for multiprotocol transport using MPLS (multi-protocol label switching)  
A router generally comprising a first port, a second port, and a circuit. The first port may be configured to receive a frame having a network layer protocol identification. The second port may be...
7136374 Transport networks supporting virtual private networks, and configuring such networks  
A layer 2 transport network, and components thereof, supporting virtual network functionality among customer edge devices. Virtual private network configuration can be accomplished with merely...
7120154 Method for the routing of IP frames between the users of a variable graph network  
Disclosed is a carrier network fulfilling a distributed virtual routing function, said carrier network comprising one or more components, each of the components comprising at least two nodes...
7113512 Ethernet-to-ATM interworking technique  
A network interworking facility ( 24 ) advantageously interworks Ethernet and ATM networks ( 22, 26 ) having different protocols to permit the data from in one network to pass to the other and vice...
7093027 Fast connection protection in a virtual local area network based stack environment  
A fast protection mechanism capable of maintaining end-to-end and fast local protection on the order of sub 50 ms for both VLAN only based connections and for connections that are based partially...
7085277 Service management of multiple independent forwarding realms  
A method of administratively dividing an emulated local area network (LANE) into multiple independent forwarding realms thereby restricting the connectivity of a particular local area network (LAN)...
RE39216 Asynchronous processor access to a switch table in a network with isochronous capability  
A data communication system, such as a local area network, is provided with a capability of transmitting isochronous data. Preferably the system conveys both isochronous data and non-isochronous...
7079544 Apparatus and method for interworking between MPLS network and non-MPLS network  
In a device that interworks a VLAN network and an MPLS network, a VLAN ID is associated with an MPLS label. In a device that performs interworking from a VLAN network to an MPLS network, an output...
7075939 Flexible header protocol for network switch  
A data switch for network communications includes a first data port interface which supports at least one data port which transmits and receives data. A second data port interface is also provided...
7072346 Network and edge router  
In network for forming a VPN on a shared network and communicating via the VPN, a core network of the VPN is formed by an MPLS network, access networks for accessing the core network are formed by...
7058420 Power automation system using trunked radio system network and control method thereof  
Disclosed are a power automation system using a TRS network and a control method thereof which can reduce the power failure time and power failure areas when an obstacle is raised by providing a...
7054319 VPN router and VPN identification method by using logical channel identifiers  
A VPN edge router with the ability of identifying VPNs by using the identifiers of logical channels multiplexed on a single input line.
7050430 Gigabit switch with fast filtering processor  
A network switch for network communications includes at least one data port interface supporting a plurality of data ports transmitting and receiving data. A CPU interface is configured to...
7050421 ATM network providing transparently narrowband based telephony services without requiring ATM-switching  
Narrowband based telephony services and associated value added services are provided transparently in a network providing ATM switching and no STM switching is required in an ATM network ( 625 ) to...
7046679 Gigabit switch with frame forwarding and address learning  
A network switch and a method thereof for network communications include a first data port interface and a second data port interface supporting a data port transmitting and receiving data at a...
7046662 System, device, and method for distributing routing information in an optical virtual private network  
A system, device, and method for distributing routing information in an optical virtual private network establishes an initial bootstrap topology and distributes the routing information over the...
7035266 Network switch discovery method and apparatus  
A system for determining whether a switch on a local area network is connected to a host device. The forwarding tables for switches on at least a subnet of the network are accessed, and for each...
7006498 System for transmitting local area network (LAN) data frames through an asynchronous transfer mode (ATM) crossbar switch  
An improved data transmission system including multiple local area networks (LANs) coupled by a hub that further includes multiple LAN adapters coupled to the LANs, and an asynchronous transfer...
7006444 Self-configuring communication network  
Methods for configuring, maintaining connectivity in and utilizing an ATM network. Neighboring switches share topology information and enable links to neighboring switches for tag switching....
6996628 Methods and systems for managing virtual addresses for virtual networks  
Methods and systems are provided for enabling a virtual network between a first processor and a second processor using at least one additional processor separate from the first processor and the...
6990106 Classification and tagging rules for switching nodes  
A VLAN classification and tagging system for a switching node. During VLAN classification, an inbound packet is assigned to a VLAN in accordance with a classification mode selectable from a PASS,...
Matches 1 - 50 out of 175 1 2 3 4 >