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Multi-layer virtual transport network design

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Wang, Yuefeng; Matta, Ibrahim. -Multi-Layer Virtual Transport Network Design- Technical Report BUCS-TR-2017-003, Department of Computer Science, Boston University, January 1, 2017.


Service overlay networks and network virtualization enable multiple overlay-virtual networks to run over a common physical network infrastructure. They are widely used to overcome deficiencies of the Internet e.g., resiliency, security and QoS guarantees. However, most overlay-virtual networks are used for routing-tunneling purposes, and not for providing scoped transport flows involving all mechanisms such as error and flow control, resource allocation, etc., which can allow better network resource allocation and utilization. Most importantly, the design of overlay-virtual networks is mostly single-layered, and lacks dynamic scope management, which is important for application and network management. In response to these limitations, we propose a multi-layer approach to Virtual Transport Network VTN design. This design is a key part of VTN-based network management, where network management is done via managing various VTNs over different scopes i.e., ranges of operation. Our simulation and experimental results show that our multi-layer approach to VTN design can achieve better performance compared to the traditional single-layer design used for overlay-virtual networks.

CAS: Computer Science: Technical Reports -

Author: Wang, Yuefeng - Matta, Ibrahim - -


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