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A BFD slow negotiation implementation system and implementation method

A technology for implementing systems and methods, applied in transmission systems, electrical components, etc., can solve problems such as heavy CPU load, large startup specifications, and easy interruption of protocols

Active Publication Date: 2020-10-30
FENGHUO COMM SCI & TECH CO LTD +1
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the defects existing in the prior art, the purpose of the present invention is to provide a BFD slow negotiation implementation system and implementation method to solve the problems of heavy CPU load and easy interruption of the protocol when the start-up specification of the BFD "slow negotiation" phase is large, Increase the robustness of the entire data communication platform

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  • A BFD slow negotiation implementation system and implementation method

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Embodiment Construction

[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0028] see figure 1 As shown, the embodiment of the present invention provides a BFD slow negotiation implementation system, including:

[0029] Time wheel chain, the time wheel chain is used to mount the BFD node for contract negotiation;

[0030] The node packet sending timer library, the node sending timer is used to make the BFD nodes in the time wheel chain carry out packet sending negotiation in turn;

[0031] The packet sending cache chain is used to mount the BFD node waiting for the packet sending negotiation;

[0032] The node sending control device is used to set the maximum number of nodes that can be connected in the time wheel chain according to the CPU load, and control the currently started BFD node to join the time wheel chain or the sending packet cache chain.

[0033] The node sending control device controls the currently...

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Abstract

The invention discloses a BFD slow negotiation implementation system, and relates to the technical field of BFD protocol applications. The BFD slow negotiation implementation system comprises a time sprocket, a node packet transmission timer, a packet transmission cache chain and a node packet transmission control device. The maximum number of nodes allowing to transmit packets synchronously is controlled according to the CPU load condition, the situation that the CPU is overloaded and thus the protocol is interrupted due to the fact that the excessive BFD nodes transmit the packets synchronously is avoided; and meanwhile, the number of active BFD nodes which can be hooked in the time sprocket is the half of the number of the maximum nodes, and the situation that the reverse BFD session still can acquire packet transmission negotiation is ensured. The invention discloses a BFD slow negotiation implementation method.

Description

technical field [0001] The invention relates to the technical field of BFD protocol application, in particular to a BFD slow negotiation implementation system and implementation method. Background technique [0002] BFD is a bidirectional forwarding detection mechanism that can provide millisecond-level detection and fast link detection. BFD can realize fast convergence of application protocols through linkage with application protocols, increasing network reliability. BFD detection is generally divided into two stages: "slow negotiation" and "fast detection". In the "slow negotiation" stage, the detection nodes send BFD protocol packets to each other to realize the negotiation of detection parameters such as session pairing and packet sending cycle between detection nodes. After the "slow negotiation" is completed, it enters the fast detection of hardware, which can be supported by general hardware at the fastest If the packet is sent in 3.3ms, if no BFD detection packet i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L67/14H04L69/26
Inventor 周芬林张玉婷
Owner FENGHUO COMM SCI & TECH CO LTD
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