US Patent 7995464 Method and apparatus for measuring quality of service levels

A method and apparatus for measuring quality of service levels for a plurality of alternative routes in a packet network is described. In one example, a plurality of alternative routes associated with at least one termination point is determined. The quality of service level for each of the plurality of alternative routes associated is then measured. Lastly, a primary alternative route is selected from the plurality of alternative routes based on the quality of service level.