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ARP (Address Resolution Protocol) optimization method suitable for on-satellite IP (Internet Protocol) routing exchange

A technology of ARP protocol and IP routing, applied in advanced technology, climate sustainability, sustainable communication technology, etc., can solve problems such as data packet loss, on-board IP router buffer overflow, on-board ARP learning lag, etc. Data packet loss, reducing ARP protocol interaction bandwidth overhead, and reducing the effect of ARP protocol processing pressure

Pending Publication Date: 2022-07-08
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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Problems solved by technology

[0004] In view of this, the present invention proposes an ARP protocol optimization method suitable for on-star IP routing exchange, which can be used for autonomous learning of IP address and MAC address mapping in a satellite network based on on-star IP routing exchange, and solves problems due to space link problems. The long path delay makes the ARP learning on the star lag, which leads to the buffer overflow of the on-board IP router and the problem of data packet loss

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  • ARP (Address Resolution Protocol) optimization method suitable for on-satellite IP (Internet Protocol) routing exchange
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  • ARP (Address Resolution Protocol) optimization method suitable for on-satellite IP (Internet Protocol) routing exchange

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[0026] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] figure 1 Shown is an application scenario of a satellite network based on on-board IP routing switching, wherein the satellite network includes on-board routing switching equipment, routing mode satellite terminals, bridge mode satellite terminals and satellite network users. The inter-link connects the on-board routing switching equipment of the neighboring satellite, and connects the routing mode satellite terminal and the bridge mode satellite terminal under different beams through the satellite-ground link. The onboard routing switching equipment completes the functions of onboard ARP forwarding table self-learning and intra-beam / inter-beam forwarding of onboard ARP packets. The routing mode satellite terminal and bridge mode satellite terminal complete the ARP protocol proxy and other functions to realize the standard ARP pr...

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Abstract

The invention relates to an ARP (Address Resolution Protocol) optimization method suitable for on-satellite IP (Internet Protocol) routing exchange, and belongs to the technical field of satellite communication. According to the method, through the design of on-satellite ARP forwarding table self-learning, on-satellite ARP message intra-beam / inter-beam forwarding, satellite terminal ARP protocol proxy and the like, the interaction process of the ARP protocol in the satellite network based on on-satellite IP routing exchange is optimized, and autonomous learning of IP address and MAC address mapping in the satellite network is achieved. The method can be applied to a satellite network scene with on-satellite IP routing exchange, and solves the problem of data packet loss caused by on-satellite ARP learning lag on the basis of keeping a satellite network user to access a satellite network by adopting a standard ARP protocol.

Description

technical field [0001] The invention relates to the technical field of satellite communication, in particular to an ARP protocol optimization method suitable for on-board IP routing exchange, which can be used to realize autonomous learning of IP address and MAC address mapping in a satellite network based on on-board IP routing exchange. Data packet loss caused by on-board ARP learning lag. Background technique [0002] After decades of development, my country's satellite communication system construction has made great progress. Driven by the global seamless coverage and user access requirements, the satellite communication system has begun to develop from the single-satellite transparent networking to the multi-satellite integrated networking. The introduction of the IP protocol family into the satellite communication system can give full play to the The advantage of the Internet is to realize the integrated network of heaven and earth more quickly with lower overhead. ...

Claims

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Application Information

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IPC IPC(8): H04L61/103H04B7/185
CPCH04L61/103H04B7/1851H04B7/18584Y02D30/70
Inventor 尹波孙晨华
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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