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A method and system for rstp state machine scheduling

A state machine and sending state machine technology, applied in the field of communication, can solve the problems of RSTP protocol operation disorder, abnormal state, too long convergence time, etc., and achieve the effect of shortening the convergence time, avoiding state abnormality, and reducing operation disorder

Active Publication Date: 2022-02-11
CETC AVIONICS
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  • Claims
  • Application Information

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Problems solved by technology

[0022] The technical problem to be solved by the present invention is that in the prior art, running the RSTP protocol may have problems such as disordered operation, abnormal state, and too long convergence time. The purpose is to provide a method and system for scheduling an RSTP state machine to solve the above problems

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  • A method and system for rstp state machine scheduling
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  • A method and system for rstp state machine scheduling

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Embodiment

[0076] Such as figure 1 Shown, the method for a kind of RSTP state machine scheduling of the present invention comprises the following steps:

[0077] S1: divide the sub-state machine into three sets according to the sending and receiving function of the sub-state machine in the RSTP state machine and the state that affects the reception of the message: set A, set B and set C;

[0078] Among them, set A is a sub-state machine that will directly affect the received message; set B is a sub-state machine that does not directly affect the received message; set C is a sub-state machine that sends a message;

[0079] S2: Run the sub-state machines in set A;

[0080] S3: After the sub-state machines in set A are finished running, run the sub-state machines in set B;

[0081] S4: After the sub-state machines in the set B are completed, run the sub-state machines in the set C.

[0082] During the implementation of this embodiment, the running order of the sub-state machines is deter...

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Abstract

The invention discloses a method for scheduling an RSTP state machine, which includes the following steps: S1: Divide sub-state machines into set A, set B and set C; set A is a sub-state machine that will directly affect the received message ; Set B is the sub-state machine that does not directly affect the received message; set C is the sub-state machine that sends the message; S2: running the sub-state machine in set A; S3: the sub-state machine in set A After the running of the state machine is completed, the sub-state machine in the set B is run; S4: after the running of the sub-state machine in the set B is completed, the sub-state machine in the set C is run. A method and system for scheduling RSTP state machines of the present invention, by dividing the state machines of the RSTP state machines into three sets and setting the running sequence of the sets, the RSTP state machine can reduce the running time during the running process. disorder, avoiding state anomalies, and shortening the convergence time.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method and system for scheduling an RSTP state machine. Background technique [0002] The RSTP protocol (Rapid Spanning Tree Protocol) is the rapid spanning tree protocol. The rapid spanning tree protocol can quickly remove the loop in the network and avoid the storm in the network. It is widely used in various network scenarios, and the realization of RSTP The core of the protocol is the rapid spanning tree state machine (Rapid Spanning Treestate machines) in the protocol, but the complexity of the rapid spanning tree state machine is relatively high. It is composed of nine sub-state machines. Its main functions and abbreviated names in the following are as follows : [0003] Port Receive state machine [0004] The port receiving state machine, hereinafter abbreviated as prsm, is used for preliminary parsing of the received BPDU message. [0005] Port Protocol Migrati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L45/48H04L49/253
CPCH04L45/48H04L49/253
Inventor 刘凯晋良银
Owner CETC AVIONICS
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