Class 370/906 - Fiber Data Distribution Interface (FDDI)

Subclass of Class 370 - Multiplex communications
Definition: Subject matter wherein the network elements are interconnected
No. of patents: 40
Last issue date: 04/08/2008

Number	Title	Issue Date
7356573	Apparatus and methods for data tapping in a storage area network Disclosed are methods and apparatus for data tapping within a storage area network (SAN) and providing tapped data to a third party device, such as an appliance. In general, mechanisms are provided in a SAN to allow a data tap of data flowing between an initiator an...	04/08/2008
7177973	Method and apparatus for extending communications over a universal serial bus through domain transformation Methods and apparatuses are described for improving information transfer over a universal serial bus (USB). In some embodiments, an apparatus includes a USB-compliant near-end link and control logic coupled with the USB-compliant near-end link. The control logic may...	02/13/2007
7159024	Storage system and method for controlling the same A storage system storing data sending/receiving data to/from a plurality of external devices via a common network. The storage system controls access from the plurality of external devices. The storage system accepts accesses according to different protocols from th...	01/02/2007
7082126	Fiber channel address blocking A method and system including apparatus for detecting and blocking an invalid request to a target wherein fiber channels interconnect the data processing configuration. A request made from a hub such as a fabric switch to an internal fiber channel arbitrated loop is...	07/25/2006
7028133	Method and apparatus for extending communications over USB Method and apparatus are described for improving information transfer over USB. In one approach, hub-based extension is realized wherein power is distributed using auxiliary wiring distinct from signal and power wiring present in conventional USB cabling. Additional...	04/11/2006
6947981	Flexible data replication mechanism A data replication management (DRM) architecture comprising a plurality of storage cells interconnected by a fabric. Flexibility in connectivity is provided by configuring each storage cell port to the fabric to handle both host data access requests and DRM traffic....	09/20/2005
6542500	Network server platform (NSP) for a hybrid coaxial/twisted pair local loop network service architecture A twisted pair and/or coaxial cable fed, integrated residence gateway controlled set-top device provides a plurality of services. One service is lifeline service which may be provided over the coaxial cable via a cable modem of the integrated residence ga...	04/01/2003
6526069	Synchronization device for a synchronous digital message transmission system and process for producing a synchronous output signal A synchronization device for a synchronous digital message transmission system producing a synchronous output signal including successive transport modules synchronized to a frame clock from a digital input signal. The synchronization device includes a re...	02/25/2003
6269101	Network server platform for a hybrid fiber twisted pair local loop network service architecture This invention provides a network server platform forming part of a new local loop network architecture designed to overcome the limitations of current art local access loop technologies. This invention allows end users to seamlessly connect to the numero...	07/31/2001
6229810	Network server platform for a hybrid fiber twisted pair local loop network service architecture This invention provides a network server platform forming part of a new local loop network architecture designed to overcome the limitations of current art local access loop technologies. This invention allows end users to seamlessly connect to the numero...	05/08/2001
5901148	Ring domains for bandwidth sharing A server, and a number of client stations interconnected by a token ring network, specifically an FDDI-II network. The FDDI-II ring is connected in a star-ring topology, with the server and the clients preferably connected to the network through a wiring ...	05/04/1999
5844889	Different system transfer method for a ring transmission system and transmission apparatus There is provided a different system transfer method for a ring transmission system and a transmission apparatus for transferring the ring transmission system constructed in the UPSR system to the BLSR system while a line is in service. A control board of...	12/01/1998
5825774	Packet characterization using code vectors A method and apparatus for increasing the throughput of a communications internetworking device. The method involves the generating, by internetworking device hardware, of a predetermined code vector in response to the current state of the communications ...	10/20/1998
5784404	Intelligent repeater functionality A physical layer (PHY) device which can operate as a conventional PHY or as an intelligent repeater in a communication system. The PHY device supports four optional modes which may be enabled by programming control register bits with a microcontroller. Th...	07/21/1998
5617422	High speed interface in a telecommunications network A telecommunications system comprises two groups of intelligent platforms in a common carrier's network. Each intelligent platform includes an application or a service for processing a call related transaction. The intelligent platforms in each group are ...	04/01/1997
5604742	Communications system and method for efficient management of bandwidth in a FDDI station A communication adapter transfers synchronous or multimedia and asynchronous or packet data between a network which may be of a FDDI type and a host system in real time. The adapter can manage data transfer in both directions between the system and the ne...	02/18/1997
5566203	Intelligent repeater functionality A physical layer (PHY) device which can operate as a conventional PHY or as an intelligent repeater in a communication system. The PHY device supports four optional modes which may be enabled by programming control register bits with a microcontroller. Th...	10/15/1996
5563876	Fast packet switch The invention provides a very fast distributed frame relay switch. Each switching element is tied to each other switching element using LAN like FDDI technology. Frame relay packets arrive into the switch via lower speed TDM based trunks and can either be...	10/08/1996
5552921	Method of common transfer of digital, audio and control data on a common bus line; bus system for implementing the method and interface application in the method A bus system for the transfer of audio and control data on a common bus line of fiber optic cables (LWL) in a system of users is compatible with sources and sinks of audio data (2,2a,2b) and/or control and monitoring data (8,8a,8b). Each user is connected...	09/03/1996
5539733	Method for switching data flow in a fiber distributed interface (FDDI) system An integrated circuit for use in fiber distributed data interface (FDDI) system has four elastic layer and buffer management (ELM) circuits (12, 14, 16, and 18) coupled through a crossbar switch (20). The crossbar switch (20) allows any of the ELM circuit...	07/23/1996
5539734	Method of maintaining PVC status packetized communication system A method of managing an interface to an internal message pipe, such as an FDDI bus, comprises sending a status enquiry message to request the status of each PVC having a DLCI in a specified range, receiving a subset status message containing sequence exch...	07/23/1996
5495232	Wiring concentrator for data networks A wiring concentrator (160) for Fiber Distributed Data Interface (FDDI) networks employs only two PHY modules (182 and 184) for initialization of all attached stations (174, 176, 178, and 180). A bank of switches (204, 206, 208, and 210) initially switche...	02/27/1996
5479404	System for network wide bandwidth allocation To solve the problem raised by the allocation of synchronous bandwidth on a FDDI segment when this allocation is done by a centralized Allocator in an interconnected LAN domain, a Third Party Requestor receives from Quality of Service Allocator all inform...	12/26/1995
5475685	Multi-media flow control over FDDI synchronous networks A flow control protocol is used to optimize the throughput on transmission opportunities without exceeding the allocated bandwidth in a Fiber optic Distributed Data Interface (FDDI) Local Area Network (LAN). The flow control protocol limits the number of ...	12/12/1995
5471472	Network multiplexer A network interface for connecting a first network utilizing a first medium access control protocol to a plurality of relatively slower networks utilizing a second medium access control protocol. The network interface includes memory in which a table of a...	11/28/1995
5461625	Frame stripping method and circuit in FDDI (fiber distributed data interface) bridge system A frame stripping method and circuit for judging whether or not of source address matching by comparing the source address of the frame returing after registering the source addresses to CAM chip upon transmitting the frame in FDDI bridge system and trans...	10/24/1995
5459607	Synchronous optical digital transmission system and method A synchronous optical digital transmission system comprises a local interface unit having a phase locked loop circuit that senses and adjusts the phase of the clock signals arriving from the remote unit to match the phase of the principal or local clock s...	10/17/1995
5442628	Local area network data processing system containing a quad elastic buffer and layer management (ELM) integrated circuit and method of switching An integrated circuit for use in fiber data distributed interface (FDDI) system has four elastic layer and buffer management (ELM) circuits (12, 14, 16, and 18) coupled through a crossbar switch (20). The crossbar switch (20) allows any of the ELM circuit...	08/15/1995
5440557	Apparatus and methods for providing an interface between FDDI-II rings To exchange data in the same position in the hybrid ring control cycles in two FDDI-II rings, the cycles of the different rings are phase and frequency aligned. To achieve phase alignment, a hybrid multiplexer in one of the rings monitors the cycles on th...	08/08/1995
5425027	Wide area fiber and TV cable fast packet cell network 53 byte length ATM compliant cells are transmitted over a digital optical fiber path to interconnect with a coaxial feeder cable TV system to support two-way digital services at a plurality of sites connected to the TV cable system. At the point of interc...	06/13/1995
5305314	Global load smoothing in a real time data imaging network system Real time periodic messages generated by a plurality of stations on a data communication network and having data periods ranging from a shortest to a longest, where the longest data period is an integer multiple of all the others, are assigned by a server...	04/19/1994
5303229	Optical network unit In an optical fiber telecommunications network, an optical network unit is provided in the subscriber neighborhood for terminating the optical fiber transmission line and for providing electrical signals over metallic lines to the subscribers. The unit fu...	04/12/1994
5303266	Multimedia high speed network A system is provided implementing an extremely high speed link allowing selection of either twisted pair (or like media) and fiber media in to provide a high speed multimedia local area network. A high speed transmission link for twisted pair, coaxial cab...	04/12/1994
5291492	Externally controlled call processing system A system for external control of call processing including a network controller that is connected to receive a third party control message regarding a call operation to be executed by one or more line controllers and is programmed to determine what first ...	03/01/1994
5253249	Bidirectional transceiver for high speed data system A transceiver circuit for use in a high speed data transmission network is disclosed that provides for simultaneous bidirectional transmission of data over coaxial or twisted pair media. A transmitter circuit provides an output data signal to a bridge net...	10/12/1993
5189414	Network system for simultaneously coupling pairs of nodes A network system includes a plurality of low-order networks which each have a plurality of nodes coupled through data transfer paths and are mutually coupled by a repeater for data communication between the nodes. The repeater has a switching circuit syst...	02/23/1993
5182747	Method for controlling the insertion of stations into FDDI network Described is an improved method and apparatus which allows graceful insertion/de-insertion of a station into an FDDI network. The circuit arrangement known as "Roving MAC" captures a local token which is circulating on a local loop established between the...	01/26/1993
5136582	Memory management system and method for network controller Transmit and receive data are stored in buffer regions defined in first and second memories of a system residing on a network. The buffer regions are pointed to by multiple descriptor rings that are also stored in the memories. In accordance with one aspe...	08/04/1992
5063575	Apparatus and method for proper byte alignment in an encoder/decoder A system is disclosed that provides for the proper decoding of data information in an Encoder-Decoder ENDEC receiver in a Fiber Distributed Data Interface FDDI network. The system decouples the receiver from the data information when idle signals are prov...	11/05/1991
4730309	Data transmission station A remote station for use in a data transmission system that includes a clock channel adapted to carry a periodic clock signal, a flag channel adapted to carry a flag signal, and a data channel adapted to carry a plurality of data signals between the remot...	03/08/1988

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Class 370/906 - Fiber Data Distribution Interface (FDDI)