Performance of Computer Communication Systems: A Model-Based Approach. Boudewijn R. Haverkort Copyright © 1998 John Wiley & Sons Ltd ISBNs: 0-471-97228-2 (Hardback); 0-470-84192-3 (Electronic) Performance of Computer Communication Systems: A Model-Based Approach. Boudewijn R. Haverkort Copyright © 1998 John Wiley & Sons Ltd ISBNs: 0-471-97228-2 (Hardback); 0-470-84192-3 (Electronic)