Load balancing method for a wireless area network
First Claim
1. A method for implementing a load balancing system in a wireless area network, comprising:
- step 1, initializing a load balancing group of online access points in the wireless area network, self-organizingly selecting one of the access points from the online access points in said load balancing group as a load balancing agent center; and
step 2, each access point of said balancing group managing and processing load balance in accordance with a load level and balance optimizing strategy, so as to implement the network load balance;
wherein the access point with a lowest current load level in the load balancing group is selected as the load balancing agent center, and after the load balancing agent center is selected, other access points in the load balancing group act as non-load-balancing agent centers, andwherein only said load balancing agent center needs to record the load information of other access points acting as the non-load-balancing agent centers in the same load balancing group, while the access points acting as non-load-balancing agent centers just need to acknowledge the location of the load balancing agent center, wherein load information is reported to the load balancing agent center when the load of the access points acting as the non-load-balancing agent centers is changing, and the non-load-balancing agent centers obtain network load information of the load balancing group from the load balancing agent center, and load balancing management is conducted by combining with load balance information locally stored; and
wherein in step 2, a threshold strategy is used for the access points, each of which including the access points acting as the load balancing agent center and the non-load-balancing agent centers, wherein an upper load limit MAX and a lower load limit MIN are set respectively to conduct management and processing of load balance as follows;
when the load level of the access point is lower than the lower load limit MIN, the access point is under low load, allows access of a station, and does not send load change information;
when the load level of the access point waves between the upper load limit MAX and the lower load limit MIN, the access point works normally and allows station access, and dynamic load change information is sent to said load balancing agent center, once the load level of the access point changes; and
when the load level of the access point is higher than the upper load limit MAX, the access point is under high load and rejects station access.
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Abstract
The present invention relates to a load balancing method for a wireless local area network, which includes the following steps: initializing the load balancing group, self-organizing to select an online access point from the load balancing group as a load balancing agent center, each access point of the said balancing group managing and processing the load balance in accordance with the load level and balance optimizing policy, therefore implements the network load balance. The method of the invention improves reliability of the network load information, presents the load information from invalidly broadcasting in the wireless local area network, therefore reduces the additional overhead for managing the load balance of the wireless network, particularly in the network that having three layers switching equipment, self-organizing to select the agent center can utilize the network resource in effect, therefore managing the dynamic load balance information much more effectively, reducing the dependence on the upper server, and managing the network much more flexibly.
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Citations
7 Claims
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1. A method for implementing a load balancing system in a wireless area network, comprising:
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step 1, initializing a load balancing group of online access points in the wireless area network, self-organizingly selecting one of the access points from the online access points in said load balancing group as a load balancing agent center; and step 2, each access point of said balancing group managing and processing load balance in accordance with a load level and balance optimizing strategy, so as to implement the network load balance; wherein the access point with a lowest current load level in the load balancing group is selected as the load balancing agent center, and after the load balancing agent center is selected, other access points in the load balancing group act as non-load-balancing agent centers, and wherein only said load balancing agent center needs to record the load information of other access points acting as the non-load-balancing agent centers in the same load balancing group, while the access points acting as non-load-balancing agent centers just need to acknowledge the location of the load balancing agent center, wherein load information is reported to the load balancing agent center when the load of the access points acting as the non-load-balancing agent centers is changing, and the non-load-balancing agent centers obtain network load information of the load balancing group from the load balancing agent center, and load balancing management is conducted by combining with load balance information locally stored; and wherein in step 2, a threshold strategy is used for the access points, each of which including the access points acting as the load balancing agent center and the non-load-balancing agent centers, wherein an upper load limit MAX and a lower load limit MIN are set respectively to conduct management and processing of load balance as follows; when the load level of the access point is lower than the lower load limit MIN, the access point is under low load, allows access of a station, and does not send load change information; when the load level of the access point waves between the upper load limit MAX and the lower load limit MIN, the access point works normally and allows station access, and dynamic load change information is sent to said load balancing agent center, once the load level of the access point changes; and when the load level of the access point is higher than the upper load limit MAX, the access point is under high load and rejects station access. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification