Multicasting in Network Function Virtualization (NFV) Environment

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Dhingra, Manika
Major Professor
Ahmed Kamal
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Electrical and Computer Engineering

The Department of Electrical and Computer Engineering (ECpE) contains two focuses. The focus on Electrical Engineering teaches students in the fields of control systems, electromagnetics and non-destructive evaluation, microelectronics, electric power & energy systems, and the like. The Computer Engineering focus teaches in the fields of software systems, embedded systems, networking, information security, computer architecture, etc.

The Department of Electrical Engineering was formed in 1909 from the division of the Department of Physics and Electrical Engineering. In 1985 its name changed to Department of Electrical Engineering and Computer Engineering. In 1995 it became the Department of Electrical and Computer Engineering.

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  • Department of Electrical Engineering (1909-1985)
  • Department of Electrical Engineering and Computer Engineering (1985-1995)

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Network Function Virtualization is a growing concept in the research field because of its ability to decouple network functions, like network address translation (NAT), domain name service (DNS), firewall, intrusion detection (IDS) etc., from proprietary hardware equipment. They can now run in software making the network more flexible and agile. This also reduces hardware and maintenance costs of the network. Nowadays many applications use multicasting as it saves a huge amount of communication bandwidth. But many packets need intermediary processing before reaching their destinations. For this processing, Virtual Network functions (VNFs) are implemented in the network where processing of packets takes place. Because of this the path through which the packets traverse changes, and delay increases. This project considers different number and placements of VNFs in four real-world topologies namely NSFNET, Cost239, Arpanet and Random12, and observes the delay for every case. As the VNFs are duplicated on different nodes in the network, the cost of deployment and maintenance of VNFs is increased, but the delay decreases up to a certain number of VNFs. After this, the delay becomes constant. This project presents this trade-off between cost and delay.

Mon Jan 01 00:00:00 UTC 2018