Dynamic Bandwidth-Efficient BCube Topologies for Virtualized Data Center Networks
Vahid Asghari, Reza Farrahi Moghaddam, Mohamed Cheriet

TL;DR
This paper proposes dynamic, bandwidth-efficient modifications to BCube topologies for virtualized data center networks, enhancing flexibility, bandwidth, and resilience through simulation-based evaluation.
Contribution
It introduces three novel topology modifications to the classic BCube, optimizing bandwidth and failure resilience in virtualized data center environments.
Findings
Modified topologies outperform classic BCube in bandwidth availability
Enhanced failure resiliency demonstrated through simulations
Dynamic structures adapt to traffic service levels
Abstract
Network virtualization enables computing networks and data center (DC) providers to manage their networking resources in a flexible manner using software running on physical computers. In this paper, we address the existing issues with the classic DC network topologies in virtualized environment, and investigate a set of DC network topologies with the capability of providing dynamic structures according to the service-level required by the active traffic in a virtual DC network. In particular, we propose three main approaches to modify the structure of a classic BCube topology as a topology benchmark, and investigate their associated structural features and maximum achievable interconnected bandwidth for different routing scenarios. Finally, we run an extensive simulation program to check the performance of the proposed modified topologies in a simulation environment which considers…
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Taxonomy
TopicsSoftware-Defined Networks and 5G · Cloud Computing and Resource Management · Interconnection Networks and Systems
