Load balancing method for multi-type exit gateway

An egress gateway and load balancing technology, applied in the communication field, can solve problems such as one-sidedness and inability to achieve load balancing, and achieve the effect of fast load balancing

Active Publication Date: 2017-10-24
XIDIAN UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, this method also has shortcomings. First, in addition to delay, there are a series of other criteria such as throughput and remaining bandwidth to reflect the quality of the link. It seems a bit one-sided to use delay as the evaluat

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  • Load balancing method for multi-type exit gateway
  • Load balancing method for multi-type exit gateway
  • Load balancing method for multi-type exit gateway

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] MLPS technology distributes routing fragments

[0024] refer to figure 1 , the implementation steps of the present invention are as follows:

[0025] Step 1, build a multi-type egress gateway system.

[0026] refer to figure 2 , to build a multi-type egress gateway system including gateways, egress links, and intranet devices. The gateway is a PC equipped with the Linux Ubuntu 14.04 operating system. It accesses the external network through multiple different egress links. The data transmission of each egress link uses different networks such as Ethernet, WIFI, and 4G cellular network. In the communication mode...

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Abstract

The invention discloses a load balancing method for a multi-type exit gateway, which mainly solves the problems of unreasonable traffic distribution, high transmission delay and low network throughput when the existing multi-type exit gateway transmits big data on multiple links. According to the solution, the method comprises the steps of: 1) setting up a multi-type exit gateway system; 2) preprocessing links, and performing traffic balancing on the two links having the highest and lowest remaining bandwidths; 3) introducing a load balancing judgment mechanism, calculating the quality of the current link, and judging whether the link is in a load balancing state by comparing with an initial target threshold; and 4) when the load of the link does not reach a balancing state, performing secondary cutting by adopting a routing fragment, allocating the traffic to each link, then performing judgment, and so on, till the links of the multi-type exit gateway are in the load balancing state. The method reduces the transmission delay, improves the network throughput, and can be applied to a gateway system having great outlet link network environment difference.

Description

technical field [0001] The invention belongs to the technical field of communication, and further relates to a load balancing method, which can be used in the scene where an egress gateway processes multi-link data transmission, and improves the problem of unreasonable data volume distribution in the transmission process. Background technique [0002] Due to the rapid increase of mobile Internet users, single-link egress gateways can no longer meet the bandwidth requirements of users, so more and more companies have begun to invest in the research and development of multi-egress gateways. The multi-exit gateway not only solves the problem of single point of failure, but also improves the throughput of the entire network. [0003] Although the access of multiple egress gateways and multiple links can increase bandwidth, if the link selection is not scientific enough, users still cannot get high-bandwidth services. Therefore, it is of great significance to study the load bala...

Claims

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Application Information

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IPC IPC(8): H04L12/803
CPCH04L47/125
Inventor 刘乃安陈越
Owner XIDIAN UNIV
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