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QoS based load-balance policy for WLAN

  • US 7,675,890 B2
  • Filed: 09/10/2004
  • Issued: 03/09/2010
  • Est. Priority Date: 09/10/2003
  • Status: Expired due to Fees
First Claim
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1. A load balancing method for a wireless local area network (LAN) having a plurality of access points, each of the access points has a plurality of queues, and the load balancing method comprises:

  • assigning each of the queues to a plurality of corresponding classes of service;

    mapping each of the corresponding classes of service to a plurality of virtual local area networks (VLANs);

    mapping each of a plurality of identifiers to a VLAN tag corresponding to one of the VLANs;

    making a load balancing decision by a load balancing module according to the traffic conditions and bandwidth availability of each of a plurality of traffic priority classes based on a corresponding class of service, and taking the VLANs on a per VLAN tag into consideration when making the load balancing decision by the load balancing module; and

    performing load balancing by the load balancing module according to the corresponding traffic priority class within the same VLAN.

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