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Class 370/395.52 - Internet Protocol (including TCP/IP or UDP/IP) over fixed length packet network (e.g., IP over ATM)


Subclass of Class 370 - Multiplex communications
Definition: Subject matter including transmission of OSI layer 3
No. of patents: 458
Last issue date: 03/26/2013


                  11    
NumberTitleIssue Date
6549538Computer method and apparatus for managing network ports cluster-wide using a lookaside list
In accordance with the present invention a method is provided for managing TCP port numbers used by applications running on a cluster. Using that method, ranges of TCP port numbers are locked (reserved) by a processor node of a cluster. An application run...
04/15/2003
6535515TCP communication speed improving system
A TCP gateway terminates TCP flow control and retransmission control of TCP packets which are input from a transmitter side terminal, in place of a receiver side terminal. Also, the TCP gateway transfers the packet to the TCP gateway which is located on t...
03/18/2003
6535507Method of address resolution for the transfer of synchronous transfer mode calls through multiple domains in a broadband data network
A method of address resolution for the transfer of voice and voice data calls through multiple domains in a broadband data network is described. The implementation of broadband data networks as transport backbones for voice and voice data calls requires a...
03/18/2003
6529479SVC accessing method for use in ATM-DSLAM
An access server and a DSLAM are continuously connected by a PVC. The access server and the DSLAM manage an unused ATM VC within the PVC while making a communication with an idle VC indication cell which is an OAM cell. The DSLAM allocates the unused ATM ...
03/04/2003
6529513Method of using static maps in a virtual private network
A method and system for providing routing information for use in virtual private networks is disclosed. The method supports a variety of different secure network topologies. According to the method a static map is generated including information on each s...
03/04/2003
6522667Network interworking device for IP network / ATM network
A network interworking device for executing conversion between IP packets and ATM cells, the network interworking device being to be connected between an IP network in which information are transmitted in a form of the IP packets and an ATM network in whi...
02/18/2003
6519261Asynchronous transfer mode adaptation arrangements
An interface arrangement provides interworking between packet (IP), time division multiplex (TDM) and asynchronous (ATM) networks, and incorporates a TDM framer providing an interface to the TDM network, a packet framer providing an interface to the packe...
02/11/2003
6510154Security system for network address translation systems
A system and method are provided for translating local IP addresses to globally unique IP addresses. This allows local hosts in an enterprise network to share global IP addresses from a limited pool of such addresses available to the enterprise. The trans...
01/21/2003
6493317Traffic engineering technique for routing inter-class traffic in a computer network
A technique is provided for routing traffic in an integrated services network which supports a plurality of different service classes including a relative low priority class (e.g. best-effort) and a relative high priority class (e.g. guaranteed sessions)....
12/10/2002
6490251Method and apparatus for communicating congestion information among different protocol layers between networks
A method and apparatus for communicating congestion control information between dissimilar protocols operating in heterogeneous internetworks at different layers of the International Standards Organization (ISO) Open Systems Interconnection (OSI) 7 layer ...
12/03/2002
6487198Method and system for unloading T1 payloads from ATM cells
The present invention is directed to a method and system for unloading one or more T1 payloads from a target ATM cell where a target ATM cell has traveled over an ATM network that is emulating a T1 link. A plurality of ATM cells are stored in a cell buffe...
11/26/2002
6480468Repeater
The present invention aims at making the cut-through trigger variable in accordance with the traffic environment, thereby increasing the cut-through traffic to enhance the efficiency of communication. In the trigger filtering unit (16A), the number of tra...
11/12/2002
6466583Integration of SNMP and CMIP
Many systems deployed by telecommunications operators will, in the future, include both Simple Network Management Protocol (SNMP) and Common Management Information Protocol (CMIP) management mechanisms. The disclosed system solution is a mechanism which e...
10/15/2002
6453259Vehicle entertainment system having built-in test environment server
Line or shop replaceable units (LRUs or SRUs) of a vehicle entertainment system are programmed as microservers to receive and carry out requests for testing the LRUs/SRUs from a browser connected to the LRUs/SRUs over a communications network of the vehic...
09/17/2002
6452921Method and system within a computer network for maintaining source-route information at a router bypassed by shortcut communication
In a data communication internetwork including a source station, an end station, and a default router for the source station, a default communication path including the default router is defined between the source station and the destination station. Duri...
09/17/2002
6430178Internet telephone apparatus, communication system utilizing wide area data communication network, and terminal adapter
To prevent a calling party from paying an Internet connection fee when a called party is busy, in an Internet telephone, a call setting message including a sub-address to the called party is used to notify the called party of an incoming call which can be...
08/06/2002
6421321Apparatus and a method for transferring a packet flow in a communication network
An apparatus and a method for transferring a packet flow having a plurality of packets in a communication network which includes plural subnetworks, first and second end systems connected to the respective subnetworks and a transit system for relaying the...
07/16/2002
6411616High bandwidth broadcast system having localized multicast access to broadcast content
An arrangement for multicasting digital data to a user accessing an Internet connection is disclosed. The arrangement entails placing streaming digital data content that is to be multicast in IP protocol to generate streaming IP digital data. The streamin...
06/25/2002
6408001Method for determining label assignments for a router
Overhead is reduced and packet transport efficiency is increased for a flow of switched packets from a router by identifying a plurality of packets having a common destination node within a network and transmitting at least one control message to establis...
06/18/2002
6404754Radio packet data terminal and method of determining internet interworking protocol address
A radio packet data terminal and a method of determining an Internet interworking protocol address which can easily provide a mobile Internet protocol service and a mobile Internet service by adding a packet data service option and an Internet protocol ad...
06/11/2002
6389021Intercommunication apparatus and communication method using the intercommunication apparatus
In an intercommunication apparatus (1), a frame converting portion (30) is provided for interconversion between MAC (Media Access Control) frame encapsulation data and LLC/SNAP (Logical Link Control/SubNetwork Attachment Point) encapsulation data by the u...
05/14/2002
6381252Method and system for managing communication resources
A method and system for managing and allocating multiple communication resources to ensure relatively equal usage. The selection of the resource can be performed by retrieving a pointer value, and testing the resource associated with the pointer value mon...
04/30/2002
6370114Apparatus and method for optimizing congestion control information in a multi-protocol network
The benefits of Transport Control Protocol (TCP) over Available Bit Rate (ABR) Service of an Asynchronous Transfer Mode (ATM) network is extended to the entire TCP connection by intercepting and modifying TCP congestion control information in accordance w...
04/09/2002
6370144Methods and apparatus for shaping queued packets using a two-dimensional RAM-based search engine
A two (2) dimensional shaper uses a hierarchical searching technique to find the first memory location of the calendar queue with a validity bit of "1" (that is, the lowest time stamp). The bit string at any level l (l.noteq.0) can be stored in a RAM of s...
04/09/2002
6363072ATM network communication control system allowing end-to-end connection to be set up with ease and communication control method thereof
A communication control system comprises a route server and an ATM switch, and an edge switch for connecting an ATM network and other IP sub-network, the route server generates a table putting together relationships between an IP sub-network and an ATM ad...
03/26/2002
6330242Loose source routing method of IP packet on ATM network
A loose source routing method is provided to transfer an IP packet from a transmission source gateway to a transfer destination gateway by way of ATM nodes, which are freely designated. At the transmission source gateway, the IP packet given from a user L...
12/11/2001
6330224System and method for providing enhanced services for a telecommunication call
A system and method provide enhanced services for a call that is transported from a communication device through an asynchronous transfer mode system. The call has user communications in asynchronous transfer mode cells and call signaling. A signaling pro...
12/11/2001
6285685Apparatus and method for providing PC communication and internet service by using settop box
An apparatus and method for supporting a PC communication and internet service while supporting D-CATV and VOD services by using a settop box connected to a network for D-CATV and VOD services, without a separate communication equipment. The apparatus inc...
09/04/2001
6275494Packet switching system, packet switching network and packet switching method
Upon initialization, a VPC is set up between edge nodes. A control processor of each node creates an IP address/VPC mapping table using IP routing information and an address mapping table mapping correspondence between IP addresses and ATM addresses and s...
08/14/2001
6252851Method for regulating TCP flow over heterogeneous networks
A method for regulating flow through a network node where forwarding of successive data packets from sources is dependent on receipt of acknowledgments from the destinations, the packets are buffered in a packet buffer as they arrive from their sources. A...
06/26/2001
6243382Interfacing to SAR devices in ATM switching apparatus
A switching apparatus, for use in an ATM network, includes a switch fabric for switching ATM cells, a segmentation-and-reassembly device for reassembling packets from ATM cells, and a plurality of traffic management devices. Each traffic management device...
06/05/2001
6208653Method and apparatus for controlling a flow between terminals in an ATM network
The present invention provides a gateway unit which comprises a detecting unit for detecting the congestion from an RM cell from the ATM cell, for discriminating a TCP data gram (TCPDG) from a packet received during the congestion and for acquiring a sequ...
03/27/2001
6178169Method of transmitting an ATM cell over an ATM network
An ATM network includes a set of interconnected switches and gateways. The ATM network is capable of providing both a conventional connection-oriented service or a connectionless service. Where a connectionless service is required, at the input interface,...
01/23/2001
6169739ATM VLAN multi-protocol client-server system using layer-3 header of packets for transporting connectionless and connection-oriented traffic
In an ATM network, each logical subnetwork comprises a server for resolving an ATM address using layer-3 address of request message and routing a packet to the network by using a layer-3 address of the packet. A source client examines a layer-3 header of ...
01/02/2001
6160810ATM based VDSL communication system having meta signaling for switching a subscriber between different data service providers
An asynchronous transfer mode (ATM) based very-high-bit-rate digital subscriber line (VDSL) system for connecting a subscriber between different data service providers includes an ATM network connected to data service providers. A host digital terminal (H...
12/12/2000
6151319Connectionless message service using ATM routers
A facility is provided in which an ATM switch may operate as a switch in the provision of connection oriented services and operates as a router in the provision of connectionless services. In the router mode, the ATM switch may determine "on the fly" a ro...
11/21/2000
6130889Determining and maintaining hop-count for switched networks
This invention discloses a way to map IP or similar routing information onto a technology that uses label switching and swapping, such as ATM, without the need to change the network paradigm. This allows a network to continue to function and appear as a s...
10/10/2000
6115373Information network architecture
An information network architecture is described that can handle both ATM and IP traffic. The network emplpoys unbuffered switches that employ a system of priorities in the handling of ATM and IP traffic whereby ATM data is given higher priority to IP tra...
09/05/2000
6094431Node device and network resource reservation method for data packet transfer using ATM networks
A network resource reservation scheme capable of making a resource reservation at the IP level according to the resource reservation protocol at a time of data packet transfer at the IP level using ATM networks. A node device requests a change of a virtua...
07/25/2000
6049531Real-time multimedia conferencing over an ATM network using an intelligent ATM ADSL modem and ADSL access
A technique for providing real-time multimedia conferencing services with guaranteed performance, in a hybrid networking environment, by interconnecting ADSL modem-based premises networks via ADSL access networks and an ATM wide area network is disclosed....
04/11/2000
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