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Variable-length label design method suitable for multi-service type satellite network

A technology of satellite network and design method, applied in the field of satellite communication, can solve the problems of inability to flexibly adapt to system business characteristics, disadvantage of satellite links, etc., and achieve the effects of low label overhead, enhanced scalability, and efficient utilization

Active Publication Date: 2019-11-22
ARMY ENG UNIV OF PLA
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For such a system, the traditional terrestrial MPLS label switching method cannot flexibly adapt to the service characteristics of the system in the face of terminals with different transmission capabilities and rate requirements, as well as different service types
Aspects such as label allocation and distribution also have significant overhead, which is very bad for satellite links

Method used

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  • Variable-length label design method suitable for multi-service type satellite network
  • Variable-length label design method suitable for multi-service type satellite network
  • Variable-length label design method suitable for multi-service type satellite network

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Embodiment Construction

[0028] A variable-length label design method for satellite networks suitable for multi-service types includes the following steps:

[0029] (1) Propose label definitions and design message labels;

[0030] (2) Forward the designed message label;

[0031] (3) The network control module processes the received message label.

[0032] Label design;

[0033] First of all, there are the following definitions:

[0034] Message label: The label carried in the message sent from the terminal.

[0035] Forwarding label: The label used for forwarding stored in the onboard switch.

[0036] When the message label is sent to the satellite, it will generate a forwarding label along with other information. The format of the incoming label and the outgoing label in the onboard label forwarding table is the forwarding label format.

[0037] Such as figure 1 As shown, the message label format: service type (1bit, 0: circuit service; 1: packet service;), priority (3bit, 8 priority), label value (20bit), where 2...

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Abstract

The invention discloses a variable-length label design method suitable for a multi-service type satellite network, and the method comprises the following steps: (1) proposing label definition, and designing a message label; (2) forwarding according to the designed message label; and (3) a network control module processing the message label. According to the method, a flexible label design method is adopted, user terminals with various service types and multi-rate configuration in a satellite network can be fused, and efficient satellite-borne message exchange processing is provided with low channel expenditure.

Description

Technical field [0001] The invention relates to the technical field of satellite communication, in particular to a method for designing a variable-length label of a satellite network suitable for multiple service types. Background technique [0002] With the development of network technology and the rapid growth of user demand, satellite communication networks, as a supplement to the ground network, carry more and more data traffic. In the future, space-based information systems will face more types of services, supporting terminals of multiple speed types and multiple service quality requirements. In order to provide more users with high-quality transmission services under the premise of limited satellite network resources, satellite networks need to provide more flexible switching methods. Some researchers have proposed to learn from the idea of ​​multi-protocol label switching on the ground, MPLS, and adopt label switching in the satellite network to improve the on-board swit...

Claims

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Application Information

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IPC IPC(8): H04L12/723H04L12/725H04B7/185H04L45/50
CPCH04L45/50H04L45/507H04L45/308H04B7/18584
Inventor 续欣汤凯
Owner ARMY ENG UNIV OF PLA
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