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Method and controller for classified output of messages in communication system

A communication system and output method technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve the problems of large demand for storage resources, high difficulty in implementation, low utilization rate, etc., and meet the requirements of high-speed communication transmission and design difficulty Small, the effect of increasing the design scale

Active Publication Date: 2011-06-29
AVIC NO 631 RES INST
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AI Technical Summary

Problems solved by technology

[0005] The present invention provides a communication system message classification output method and controller, which mainly solves the problems of large storage resource demand, low utilization rate, high implementation difficulty and high cost in the existing method and controller

Method used

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  • Method and controller for classified output of messages in communication system
  • Method and controller for classified output of messages in communication system
  • Method and controller for classified output of messages in communication system

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Experimental program
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Embodiment Construction

[0052] Principle of the present invention is as follows:

[0053] In the hardware design of network switches or communication nodes, the communication system message classification output controller adopts shared storage and linked list management methods to realize message classification storage and retrieval.

[0054] The shared storage unit is used as message storage for storing messages. The shared storage unit is a continuous storage area, logically divided into multiple equal-length message storage blocks, numbered in sequence, and each message storage block can store one information.

[0055] When the system is initialized, all the message storage block indexes are put into a free message index table; when the message is written, the message storage block index is obtained from the free message block index table, the address of the message storage block is calculated, and the message content is written Enter the corresponding message storage block, search the message a...

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Abstract

The invention provides a method and a controller for the classified output of messages in a communication system, and mainly solves the problems that that a conventional method and a conventional controller have high demand on storage resources and high cost, and are low in utilization ratio and difficult to implement. The method for the classified output of the messages in the communication system comprises three steps, namely, system initialization, message writing and message reading. The controller for the classified output of the messages in the communication system comprises an input control unit, a memory unit, an output control unit, a message attribute list unit, an idle message block concordance list unit, a message searching list unit and an output control list unit. The methodand the controller for the classified output of the messages in the communication system, which are provided by the invention, have good flexibility, the number of output ports of a message queue management controller for classification is configurable, and the depth of output queue is configurable.

Description

technical field [0001] The invention belongs to computer hardware technology, and relates to a hardware circuit implementation method of message queue management in switches and communication nodes. Background technique [0002] In the design of high-speed communication systems, in order to ensure system transmission efficiency, communication service quality, message communication transmission determinism, bandwidth isolation, and message transmission efficiency, it is necessary to build multi-priority queues in communication nodes, and virtual output queues in switches. , and the implementation of these queues requires a large amount of memory resources. [0003] Communication scheduling management must be implemented based on the classified storage of messages. In traditional communication systems, storage space is fixedly allocated for each message, and the utilization rate of storage resources is not enough. The hardware of switches and communication nodes is often limi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L45/74
Inventor 王红春
Owner AVIC NO 631 RES INST
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