The present invention relates to {HEAD ~ a method} and apparatus for balancing loads in {TAIL ~ a switching fabric} 
The present invention relates to { HEAD ~ a method } and apparatus for balancing loads in { TAIL ~ a switching fabric }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL