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Communication device, communication method and communication system

A technology of communication equipment and communication unit, which is applied in the field of communication, and can solve problems such as business packet loss and affecting the normal progress of communication services

Active Publication Date: 2021-01-29
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the ISSU process, MCU failure or MCU reset process, if the business volume is large, business packet loss often occurs, affecting the normal progress of communication services

Method used

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  • Communication device, communication method and communication system
  • Communication device, communication method and communication system
  • Communication device, communication method and communication system

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Embodiment Construction

[0037] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application.

[0038] At present, most communication systems with frame architecture adopt figure 1 The architecture shown. The communication system of the frame structure includes two or more than two integrated main control boards, figure 1 Take two integrated main control boards as an example for illustration. In the embodiment of this application, the two integrated main control boards are mutually active and standby, that is, the two integrated main control boards include the main integrated main control board and the standby integrated main control board. Each integrated main control board is integrated with a management and control processing unit (Maintain and control ProcessUnit, MCU), as well as a packet switching core unit (Fabric Unit, FU) and an uplink service forwarding unit (Serviceforwardi...

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Abstract

The embodiment of the present application discloses a communication device, a communication method, a communication processing device, and a communication system. The communication device includes at least two integrated main control boards that are mutually active and standby, and each of the integrated main control boards is integrated with an MCU and hardware. Forwarding unit, the hardware forwarding unit includes packet switching core unit FU and service forwarding unit SFU, the MCU on each integrated main control board, and the hardware forwarding on other integrated main control boards in the at least two integrated main control boards A control signal mutual transmission channel is provided between the units; the MCU on any one of the at least two integrated main control boards controls the at least two integrated main control boards through the control signal mutual transmission channel FUs and SFUs on other integrated main control boards. This application can solve the problem that MCU failure, reset and ISSU will affect FU and SFU, resulting in halved forwarding capability and service packet loss.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a communication device, a communication method, a communication processing device and a communication system. Background technique [0002] With the development of communication technology, communication devices with a frame structure are widely used in communication networks. [0003] A management and control processing unit (Maintain and control Process Unit, MCU), a packet switching core unit (Fabric Unit, FU) and an uplink service forwarding unit (Service forwarding Unit, SFU) are integrated on the physical main control board of the frame structure communication device. ). MCU has management and control functions, and can control FU and SFU. Therefore, it is often necessary to perform continuous service upgrade (In Service Software Upgrade, ISSU) on the MCU. Sometimes the MCU fails or resets. During the ISSU process, MCU failure or MCU reset process, i...

Claims

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Application Information

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IPC IPC(8): H04B1/74H04L12/24H04L45/586
CPCH04B1/74H04L41/0695G06F11/0751G06F11/2005G06F11/2028G06F11/2033G06F11/2097H04L41/0661
Inventor 邱晓东林连魁
Owner HUAWEI TECH CO LTD