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XinIP cross-broadcast domain data communication method

A data communication and cross-broadcasting technology, applied in the field of data communication, can solve problems such as increasing application burden

Active Publication Date: 2016-06-15
HUAYANG COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in a data communication network, many applications (network neighbors, file sharing, etc.) generally need to run in the same broadcast domain. In the case of cross-network segments, other alternative forms can only be used to meet application requirements, which increases the application burden.

Method used

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  • XinIP cross-broadcast domain data communication method
  • XinIP cross-broadcast domain data communication method
  • XinIP cross-broadcast domain data communication method

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Embodiment Construction

[0033] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0034] Such as figure 1 , 3 As shown, a XinIP cross-broadcast domain data communication method, this method keeps the working principle of the traditional communication host and the traditional Ethernet layer 2 device unchanged, and sets the proxy address pool, tunnel local IP address and tunnel target IP address for the gateway. Among them, the proxy address pool is an address pool composed of addresses that are consistent with the local network segment but have different addresses. The addresses in the address pool can be discontinuous; the local IP address of the tunnel is used to build a new IP header for the tunnel The address of the source address field; the tunnel destination IP address is the address used for the tunnel to build the destination address field of the new IP header; figure 1 The backbone networ...

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Abstract

The invention discloses an XinIP cross-broadcast domain data communication method, which achieves mutual communication of hosts with a same IP address field in different networks. Three parameters of a gateway are set, i.e., a proxy address pool, a tunnel local IP address and a tunnel destination IP address. A working principle of the gateway is as follows: when a destination address of a received IP data package is matched with an address in the proxy address pool, a new external IP header is packaged for the data package, wherein a source IP address of the external IP header is the tunnel local IP address, and a destination IP address of the external IP header is the tunnel destination IP address; routing is then carried out; when the destination address of the received IP package is the tunnel local IP address, and the source IP address of the received IP package is the tunnel destination IP address, local transmission is carried out after removal of the external IP header. The method has the advantages that under the premise that working principles of the communication hosts are kept unchanged, the hosts with the same IP address field in the different networks are in a same broadcast domain, so that a traditional protocol for the same broadcast domain can work normally.

Description

technical field [0001] The invention relates to the field of data communication, in particular to a XinIP cross-broadcast domain data communication method. Background technique [0002] In the traditional Ethernet communication process, the working principle of the traditional PC is: [0003] 1. When the target IP address is in the same network segment as your own IP address, directly make an ARP request to obtain the MAC address of the other party, and then transmit the packet. [0004] 2. When the target IP address is not in the same network segment as your own IP address, make an ARP request with the gateway address as the target IP address, obtain the MAC address of the gateway, and then transmit the packet to the gateway, which will route the packet. [0005] Therefore, the communication across two IP address segments of the gateway requires the gateway to do routing processing. For example, the IP address planning of the geographically isolated financial department ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
CPCH04L61/103H04L61/2592
Inventor 盛文燕高亚超赵云孔明坤
Owner HUAYANG COMM TECH CO LTD
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