1. D. McDysan, VPN applications guide: Real solutions enterprise networks (USA: John Wiley & Sons, 2000).
2. T. Erlebach & M. Ruegg, Optimal bandwidth reservation in hose-model VPNs with multipath routing, Proc. 23rd Annual Joint Conf. of the IEEE Computer and Communication Societies (INFOCOM 2004), Hong Kong, China, 2004, 2275–2282.
3. L. Yuan, C.K. Tham, & A.L. Ananda, A probing approach for effective distributed resource reservation, Proc. 2nd International Workshop on QoS-IP, Milan, Italy, in M. A. Marsan, G. Corazza, M. Listanti, & A. Roveri (Eds.), Lecture Notes in Computer Science 2601 (London, UK: Springer-Verlag, 2003), 672–688.
4. A. Juttner, I. Szabo, & A. Szentesi, On bandwidth efficiency of the hose resource management model in VPNs, Proc. 22nd Annual Joint Conf. of the IEEE Computer and Communications Societies (INFOCOM 2003), San Franciso, CA, USA, 2003, 386–395.
5. S.H. RHEE & T. Konstantopoulos, Dynamic capacity resizing for fair bandwidth sharing in VPNs, IEICE Transactions on Communications, Vol. E86-B, No.5, 2003, 1625–1631.