Document Type



Master of Science (MS)


Computer Science

First Advisor's Name

S. Masoud Sadjadi

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Ming Zhao

Third Advisor's Name

Peter J. Clarke


Cloud Computing, virtual machines

Date of Defense



The current infrastructure as a service (IaaS) cloud systems, allow users to load their own virtual machines. However, most of these systems do not provide users with an automatic mechanism to load a network topology of virtual machines. In order to specify and implement the network topology, we use software switches and routers as network elements. Before running a group of virtual machines, the user needs to set up the system once to specify a network topology of virtual machines. Then, given the user’s request for running a specific topology, our system loads the appropriate virtual machines (VMs) and also runs separated VMs as software switches and routers. Furthermore, we have developed a manager that handles physical hardware failure situations. This system has been designed in order to allow users to use the system without knowing all the internal technical details.





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