Investigation of network virtualization techniques in data centers

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Dr. Sonkoly Balázs
Department of Telecommunications and Media Informatics

The importance of datacenters is increasing nowadays, because centralized and assured data storage is essential for businesses. IT trends move towards cloud computing. These demands require innovative solutions, therefore the market leader vendors developed virtualized solutions.

Datacenters are easily built in virtualized environments - even in multi-layered virtual architectures, however, network topology and traffic management must be planned carefully. The goal of my dissertation was to examine network solutions available on VMware's platform.

Comprehensive quality control is not allowed on built-in network solutions, but by the integration of multiple vendor's products QoS parameters can be handled in a flexible way and the administrative roles can be separated. I implemented a solution based on VMware's - one of the market leaders - vSphere product and integrated Cisco Nexus 1000V virtual switches.

I examined the system's throughput by measuring selected quality parameters in various scenarios and I used a dedicated network monitoring application to track the state of system.

My dissertation can be useful for network experts and system administrators, who want to learn about the structure of VMware's virtual platform and discover the integration and configuration of various virtualized network devices and performance capabilities.


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