In the second part of this dissertation, the issues regarding online establishment of restorable bandwidth-guaranteed hose-model VPNs under the single-link failure model is discussed.

• 在本论文的第二部份，我在单一连结损坏模式的假设下，对建置多个“具频宽保证”且“可复原”的软管模式虚拟私人网路之诸多议题加以探讨。