Access Point Load Balancing via Deferred Client Association
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Solution Overview
Problem
Current wireless network access points tend to become overcrowded, leading to imbalanced load distribution and reduced bandwidth, as clients associate based on signal quality or preference lists, resulting in underutilization of other access points and decreased network performance.
Innovation Solution
Implementing a mechanism where access points defer client association until bandwidth utilization criteria are met, allowing clients to associate with alternative access points, thereby achieving load balancing and ensuring clients connect to available access points even when initially unavailable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If clients associate with access points based on signal quality or preference lists, then clients can quickly connect to available access points, but access points become overcrowded and load distribution becomes imbalanced
Solution Approach 1:
The access point preemptively defers association requests from clients when it detects high bandwidth utilization, before the clients actually connect. This preliminary action prevents the access point from becoming overloaded and redirects clients to alternative access points with available capacity, resolving the contradiction between quick association and balanced load distribution
2Adaptability or versatility
If access points accept all client association requests, then all clients can connect to the network, but bandwidth utilization becomes unbalanced and network performance decreases
Solution Approach 1:
The access point continuously monitors its own bandwidth utilization and uses this feedback to make real-time decisions about accepting or deferring client association requests. When bandwidth utilization exceeds a threshold, the access point defers requests and redirects clients to alternative access points, thereby maintaining balanced load distribution and optimizing overall network productivity while ensuring all clients can still connect
Data Source
AI summary
A wireless network access point is described which provides the resources of a backbone network to wireless clients. The access point is able to balance loads by deferring association of new clients and thereby directing clients to associate with alternative access points having improved backbone connectivity. Where the client is unable to find an alternative access point, the client will eventually make a second association request to the access point. The access point, in identifying the second association request of the client, proceeds to associate the client in response to the second association request. Specific time limits can be imposed relative to the second association request.