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Network communication method for carrying out load division

A technology of network load and communication method, applied in the field of network communication

Inactive Publication Date: 2004-09-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Therefore, aiming at the above-mentioned problems in the prior art, the object of the present invention is to provide such a system and method, which can not only realize the load sharing and redundant backup of the gateway, but also solve the problem that the host needs to configure multiple gateway addresses

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  • Network communication method for carrying out load division
  • Network communication method for carrying out load division
  • Network communication method for carrying out load division

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Embodiment Construction

[0033] refer to Figure 4 Examples of embodiments of the present invention are described in detail. Firstly, it should be explained that, in the present invention, the concepts of the active gateway and the standby gateway are substantially different from those in the prior art. This is because, in the prior art, the active gateway provides services for hosts in the local area network, while the standby gateway is in an idle state. In the present invention, the difference between the active gateway and the standby gateway is only that the active gateway has a control function while the standby gateway does not, but both the active gateway and the standby gateway are providing services for the host. This will be reflected in the following description of embodiments of the invention.

[0034] This implementation solution configures the same virtual gateway address for the hosts in the local area network, which is obviously different from the above-mentioned prior art. like ...

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Abstract

A network communication method implementing the function of network load sharing and the function of redundancy backup, including WAN, LAN host and multi gateway used for connecting WAN with LAN host. The gateway includes main gateway and standby gateway. Within LAN the gateway address configured by each host is the virtual IP address of the gateway. This method includes following steps: when the messages are passed between the host and WAN, the host will send ARP request according to configured gateway address to get MAC address of gateway IP address; the main gateway confirms the gateway providing service for message passing according to the states of each gateway, and uses the virtual MAC address of the pointed gateway to answer the ARP request; then this pointed gateway will provide message passing service for this host. This invention can make the host in LAN enjoys the benefit of load sharing and redundancy backup as no need of any special configuration.

Description

field of invention [0001] The present invention generally relates to network communication technology, in particular to a network communication system with network load sharing function and its method, which can provide load sharing and redundant backup functions for data transmission between a host of a local area network and a wide area network through multiple gateways. Background technique [0002] At present, with the development of network communication technology based on TCP / IP (Transmission Control Protocol and Internet Protocol), people's requirements for network communication systems are also increasing day by day. figure 1 It is a block diagram of a typical network communication system. like figure 1 As shown, the system consists of a local area network including multiple hosts, a wide area network, and a gateway for connecting the local area network and the wide area network. Hosts in the LAN can access the WAN through multiple gateways. However, when the gat...

Claims

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Application Information

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IPC IPC(8): H04L12/801H04L12/803
CPCH04L47/10H04L47/125
Inventor 阎长江马达雷文阳
Owner HUAWEI TECH CO LTD
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