H04L12/56

METHOD FOR IMPLEMENTING A REAL-TIME INDUSTRIAL INTERNET FIELD BROADBAND BUS
20170373872 · 2017-12-28 ·

The invention discloses a method for implementing a real-time industrial internet field broadband bus, the method including: determining, by a bus controller, the number of bus terminals connected therewith; and allocating, by the bus controller, time slices for the bus terminals according to the number of bus terminals, and transmitting, by the bus controller, the time slices to the bus terminals so that the bus terminals operate in the allocated time slices. Moreover data are transmitted in the bus system by removing Ethernet/IP message header information to thereby reduce the length of the message, and shorten a transmission delay and a bus scan periodicity so as to improve the real-time characteristic of the bus system.

INDUSTRY INTERNET FIELD BROADBAND BUS ARCHITECTURE SYSTEM
20170373873 · 2017-12-28 ·

The invention relates to an industry internet field broadband bus architecture system based on the two-wire data transmission network widely used in the traditional industry control system, so that the system can provide high-performance Ethernet communication without modifying original wiring and topologies, thus providing a high-performance, highly reliable, highly real-time, and highly secured solution to switching an industry control system field layer network from a traditional field bus to an industry Ethernet bus.

SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND PROGRAM
20170365269 · 2017-12-21 · ·

The present technology relates to a signal processing apparatus, a signal processing method, and a program by which, in reproducing transmitted encoded data in real time, buffer overflow can be prevented from occurring on a reception apparatus side even if it is transmitted with a compression rate of the encoded data being varied in a manner that depends on communication condition. Encoded data including transmitted audio data is buffered by a reception buffer. At this time, the quantity of encoded data buffered by the reception buffer is managed in units of processing according to an encoding method. The present technology is applicable to a real-time content reproduction system utilizing a communication system.

NETWORK LAYER REACHABLE INFORMATION TRANSMISSION METHOD, SYSTEM, AND APPARATUS AND NETWORK DEVICE
20230198885 · 2023-06-22 ·

A transmit device may generate a first part and a second part that are used to advertise a plurality of pieces of network layer reachable information (NLRI) of pieces of destination end information. The first part includes a common information field corresponding to the pieces of NLRI, the common information field includes same information in the pieces of NLRI, the second part includes private information fields corresponding to the plurality of pieces of NLRI, and each of the private information fields includes information other than the same information in NLRI corresponding to each private information field. The first part and the second part may be carried in an advertisement packet, to implement compression and sending of information used to advertise the pieces of NLRI, thereby improving efficiency of advertising a route by the transmit device without affecting normal running of a service.

Frequency Converter
20170357556 · 2017-12-14 ·

A frequency converter has a control unit. The control unit has: a serial control unit interface, a control unit clock pulse generator for generating a control unit clock pulse, wherein data are transmitted via the serial control unit interface depending on the control unit clock pulse, and a control unit processor which is designed to define at least one control parameter depending on at least one actual value. The frequency converter furthermore has a power unit which has a data connection to the control unit and has: a number of power semiconductors, a power unit clock pulse generator for generating an adjustable power unit clock pulse, a serial power unit interface which is connectable to the control unit interface in order to set up a data connection, a clock pulse generator adjustment unit which has a signal connection to the power unit interface and which is designed to adjust the power unit clock pulse depending on signals which are received by the power unit on the power unit interface, a power unit processor which is designed to control the power semiconductors depending on the control parameter and the power unit clock pulse, and at least one sensor unit which is designed to determine the at least one actual value, wherein the control unit is designed to transmit the at least one control parameter via the control unit interface to the power unit, and wherein the power unit is designed to transmit the at least one actual value via the power unit interface to the control unit.

SYNCHRONOUS WAVEFORM CLOCK SYNCHRONIZATION WITHOUT A SYSTEM CONTROLLER
20170359793 · 2017-12-14 ·

A method for synchronizing a time reference of a terminal clock of a terminal transceiver including an antenna and a modem, the method including: transmitting, by the modem, a terminal sync hop to a signal relay in accordance with the time reference; searching, by the modem, for a terminal sync hop return from the signal relay near an estimated terminal sync hop receive time; receiving, by the modem, the terminal sync hop return at a terminal sync hop receive time; searching, by the modem, for a master sync hop return from the signal relay; receiving, by the modem, the master sync hop return at a master sync hop receive time; calculating, by the modem, a time difference between the master sync hop receive time and the terminal sync hop receive time; and adjusting, by the modem, the time reference based on the calculated time difference.

Multi-path arrangement of redundant inline-bypass switches
09843460 · 2017-12-12 · ·

An inline-bypass switch system includes: a first inline-bypass switch appliance having a first bypass component, a second bypass component, a first switch coupled to the first bypass component and the second bypass component, and a first controller; and a second inline-bypass switch appliance having a third bypass component, a fourth bypass component, a second switch coupled to the third bypass component and the fourth bypass component, and a second controller; wherein the first controller in the first inline-bypass switch appliance is configured to provide one or more state signals that is associated with a state of the first inline-bypass switch appliance; and wherein the second controller in the second inline-bypass switch appliance is configured to control the second bypass component based at least in part on the one or more state signals.

Network control apparatus and method for creating and modifying logical switching elements
11677588 · 2023-06-13 · ·

Some embodiments of the invention provide a method for implementing a logical switching element that includes multiple logical ports through which the logical switching element receives and sends data packets. The method configures multiple managed forwarding elements to implement the logical switching element. The method also determines that port isolation has been enabled for the logical switching element. The method further provides a set of data directing the managed forwarding elements to drop a particular data packet received through a first logical port when the particular data packet is addressed to a second logical port different than the first logical port to implement the port isolation.

Congestion notification system
09832125 · 2017-11-28 · ·

A congestion notification system includes a networking device coupling a sender device to a receiver device. The networking device is configured to detect a congestion situation. When the networking device will provide a first congestion notification in a first packet received from the sender device in response to detecting the congestion situation, as well as retrieve sender device information from the first packet and store that sender device information in a database. Following the sending of the first packet to the receiver device, the networking device receives a second packet that was sent from the receiver device prior to the receiver device receiving the first packet. In response to determining that the second packet includes the sender device information that is stored in the database, the networking device provides a second congestion notification in the second packet. The networking device then sends the second packet to the sender device.

CELL FLOW CHARACTERISTIC VALUE ADJUSTMENT METHOD, DEVICE AND SYSTEM, AND STORAGE MEDIUM
20230179530 · 2023-06-08 ·

The disclosure provides a cell flow characteristic value adjustment method, device and system, and a storage medium. The method comprises: detecting deviation information of an actual characteristic value of a cell flow characteristic in a designated device, and a desired characteristic value; and controlling either of the designated device and an upstream device of the designated device to adjust, on the basis of the deviation information, the number of a predetermined type code blocks in the sent cell flow so as to adjust the actual characteristic value of the cell flow characteristic in the designated device.