A method for transferring data from a first switch to a second switch selectively by line switching or by packet switching as well as to {TAIL ~ a switch} for carrying out {HEAD ~ the method} 
A method for transferring data from a first switch to a second switch selectively by line switching or by packet switching as well as to { TAIL ~ a switch } for carrying out { HEAD ~ the method }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD