[NRG] Notification: PhD Defense: Multi-Layer Virtual Transport Network Design... @ Mon Nov 28, 2016 11am - 12pm (NRG at BU)

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Title: PhD Defense: Multi-Layer Virtual Transport Network Design and  
Management (Yuefeng Wang)

Nowadays there is an increasing need for a general paradigm that can  
simplify network management and further enable network innovations.  
Software Defined Networking (SDN) is an efficient way to make the network  
programmable and reduce management complexity, however it is plagued with  
limitations inherited from the legacy Internet (TCP/IP) architecture.  On  
the other hand, service overlay networks and virtual networks are widely  
used to overcome deficiencies of the Internet.  However, most  
overlay/virtual networks are single-layered and lack dynamic scope  
management. Furthermore, how to solve the joint problem of designing and  
mapping the overlay/virtual network requests for better application and  
network performance remains an understudied area. 

In this thesis, in response to limitations of current SDN management  
solutions and of the traditional single-layer overlay/virtual network  
design, we propose a recursive approach to enterprise network management,  
where network management is done through managing various Virtual Transport  
Networks (VTNs) over different scopes (i.e., regions of operation).  
Different from the traditional overlay/virtual network model which mainly  
focuses on routing/tunneling, our VTN approach provides communication  
service with explicit Quality-of-Service (QoS) support for applications via  
transport flows, i.e., it involves all mechanisms (e.g., addressing,  
routing,  error and flow control, resource allocation) needed to meet  
application requirements.  Our approach inherently provides a multi-layer  
solution for overlay/virtual network design. 

The contributions of this thesis are threefold:  (1) we propose a novel  
VTN-based management approach to enterprise network management; (2) we  
develop a framework for multi-layer VTN design and instantiate it to meet  
specific application and network goals; and (3) we design and prototype a  
VTN-based management architecture. Our simulation and experimental results  
demonstrate the flexibility of our VTN-based management approach and its  
performance advantages.

Abraham Matta (Advisor) 
Azer Bestavros 
Richard West 
Jonathan Appavoo
Hongwei Xi (Chair)
When: Mon Nov 28, 2016 11am – 12pm Eastern Time
Where: MCS 148
Calendar: NRG at BU
     * Cody Doucette - creator

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