Method and system for realizing load balancing, and load balancing equipment
A load balancing device and load balancing technology, applied in the field of network communication, can solve the problems of restricting business implementation flexibility, inability to guarantee client value-added services, and reducing business service quality. It is simple and easy to implement, enhances practicability, and improves The effect of business service quality
Active Publication Date: 2009-07-08
XINHUASAN INFORMATION TECH CO LTD
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Problems solved by technology
For example, according to business needs, configure server 1 to support a kind of value-added service, and all clients in virtual local area network (VLAN) 1 need to use this kind of value-added service, but, because existing technology cannot guarantee that all clients in VLAN1 can visit to server 1, so it is impossible to guarantee that all clients in LAN1 can realize this kind of value-added service
Therefore, the flexibility of business implementation is greatly limited, and the quality of business services is reduced.
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[0032] At present, when a client accesses the network, the IP address assigned by it is often dynamic, that is to say, the IP address used by the same client in different visits is likely to be different. The IP address of the client is used to limit the server that provides services to the client. However, the analysis of the communication process between the client and the server shows that the same client accesses the forwarding device, that is, the ports of the router and the switch are the same, that is to say, all the packets of the same client in different visits are The transmission is performed through the same port on the forwarding device. Therefore, the port information of the forwarding device connected to the client can be used to limit the server that provides services for the client.
[0033] In view of the above characteristics, the present invention proposes a method for realizing load balancing, the core idea of which is: set the first corresponding relati...
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The invention discloses a method and system for realizing load balancing and load balancing equipment. The load balancing device includes: a control unit, a transceiver unit and a storage unit. The method includes: setting the first corresponding relationship between the port number of the forwarding device and the server; the forwarding device receives the access request sent by the client on the current port, inserts the port number of the current port into the access request and sends it to the load balancing device ; The load balancing device selects the server corresponding to the port number of the current port in the received access request according to the set first correspondence, and sends the access request to the selected server. The invention can realize that a specific server provides service for a specific client, thus greatly increasing the flexibility of business realization and improving the business service quality.
Description
technical field [0001] The invention relates to network communication technology, in particular to a method and system for realizing load balancing and load balancing equipment. Background technique [0002] With the continuous development of the Internet (Internet) technology, the number of visits faced by the network server has greatly increased and become more unpredictable. In the network, if only one server is used to provide services to clients, then the processing capability and input / output capability of the server will inevitably become the bottleneck of providing services. [0003] In order to solve the shortcomings of the limited processing capacity of a single server and the inability to guarantee services to clients, load balancing technology has emerged. [0004] Load balancing technology is to set up multiple servers that can provide services for clients on the network side, and set up a load balancing device on the server side. When the client needs to acce...
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IPC IPC(8): H04L29/08
Inventor 常利民
Owner XINHUASAN INFORMATION TECH CO LTD