5. The method of claim 4 further comprising the step of assigning penalties when disfavored matches occur in applying the input address to the one or more branches of the parsing tree.
5. The method of claim 4 further comprising the step of assigning penalties when disfavored matches occur in applying the input address to the one or more branches of the parsing tree. 6. The method of claim 5 further comprising ranking the one or more parsing tree branches that include matches based on the assigned penalties.