Joseph P. Loyall Richard E. Schantz John A. Zinky David E. Bakken Specifying and Measuring Quality of Service in Distributed Object Systems. 43-52 1998 conf/isorc/1998 ISORC http://csdl.computer.org/comp/proceedings/isorc/1998/8430/00/84300043abs.htm db/conf/isorc/isorc1998.html#LoyallSZB98