@unpublished{TUW-112643, author = {Sarwar, Shahzad and van As, Harmen R. and Aziz, Khurram}, title = {Think Before You Send}, year = {2008}, note = {talk: COST291 workshop: The role of optical networking in the future Internet, Vilanova i la Geltr{\'u}, Catalonia, Spain,; 2008-03-11} }