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A method and system for dynamically allocating burst service bandwidth based on weight ratio

A technology for business bandwidth and dynamic allocation, which is applied in the aerospace field to achieve the effects of improving network throughput, enhancing reliability, and improving network bandwidth utilization.

Active Publication Date: 2022-04-22
TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • A method and system for dynamically allocating burst service bandwidth based on weight ratio
  • A method and system for dynamically allocating burst service bandwidth based on weight ratio
  • A method and system for dynamically allocating burst service bandwidth based on weight ratio

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[0049] The principles and features of the present invention will be described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0050] Such as figure 1 As shown, a method for dynamically allocating burst service bandwidth based on weight ratio provided by an embodiment of the present invention, the method includes: S1, in the delay-insensitive burst service bandwidth allocation, polling each preset According to the data transmission status and request bandwidth of the node, the bandwidth distribution weight of each preset node is calculated according to the data transmission status and the request bandwidth, and the minimum guaranteed bandwidth of each preset node is calculated by the bandwidth distribution weight; it should be noted that, in the present invention The bandwidth allocation scheme can be used for NC sending time axis, NC r...

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Abstract

The invention discloses a method and system for dynamically allocating burst service bandwidth based on weight ratio, and relates to the aerospace field. The method includes: polling the state information of each preset node in bandwidth allocation of time-delay-insensitive burst services, calculating the bandwidth allocation weight of each preset node according to the obtained information, and calculating the preset bandwidth allocation weight according to the bandwidth allocation weight. The minimum guaranteed bandwidth of the node; bandwidth allocation is performed according to the requested bandwidth combined with the guaranteed bandwidth, and the updated data transmission status and updated requested bandwidth of the preset node are obtained. Before the next round of transmission, the bandwidth allocation of each preset node is performed according to the updated data. Dynamic adjustment and correction effectively guarantee the bandwidth transmission of time-sensitive services, delay-sensitive services, and bursty services, enhance the reliability of data transmission, improve the utilization rate of network bandwidth, and improve network throughput.

Description

technical field [0001] The invention relates to the aerospace field, in particular to a method and system for dynamically allocating burst service bandwidth based on weight ratio. Background technique [0002] With the continuous expansion of the scale of application tasks in the aerospace field, the types of payloads mounted on large aerospace information networks are increasing, the control is becoming more and more complex, the amount of information transmitted is increasing, and the transmission rate is increasing. High, the above characteristics put forward higher requirements for the real-time performance, data transmission bandwidth, data processing capability and reliability of the highly reliable application information network. [0003] FC-AE-1553 (Fibre-Channel Avionics Environment-Upper Layer Protocol: FC-AE-1553) network is considered to be a One of the protocols to meet the needs of future aerospace missions and become the preferred network for future aerospac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L47/76H04L47/80
CPCH04L47/76H04L47/805
Inventor 展月英何建华畅响王璐孙扬
Owner TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI
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