Effective resource provisioning for QoS-aware virtual networks in SDN

Podili, Prashanth and Kataoka, Kotaro (2018) Effective resource provisioning for QoS-aware virtual networks in SDN. In: NOMS - IEEE/IFIP Network Operations and Management SymposiumIEEE/IFIP Network Operations and Management Symposium, 23-27 April 2018, Taipei, Taiwan.

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The emergence of the IoT, 5G and different modes of computing has introduced a new demand to tailor-made networks to support a wide spectrum of applications. Even though virtualizing networks and applying QoS to these networks are crucial, it is always challenging to achieve QoS, high acceptance ratio, and cost effectiveness on provisioning virtual networks given the constrained resource of the underlying network. This paper introduces Delay Constraint Optimum Bandwidth Tree (DCOBT), which effectively satisfies the QoS requirement of virtual networks in terms of both end-to-end delay and bandwidth. We propose the QoS-aware Resource Provisioning (QRP) algorithm to determine DCOBT with less bandwidth consumption and superior load balancing. Using SDN as a key platform to implement QoS-aware virtual networks, this paper further proposes flow rule reduction using Destination Label Forwarding (DLF) to provision more virtual networks with less Ternary Content-Addressable Memory (TCAM) consumption. The evaluation results proved significant contribution on different aspects of resource provisioning for QoS-aware virtual networks with improved availability, scalability, and cost effectiveness.

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IITH Creators:
IITH CreatorsORCiD
Kataoka, KotaroUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Subjects: Computer science
Divisions: Department of Computer Science & Engineering
Depositing User: Team Library
Date Deposited: 17 May 2019 06:00
Last Modified: 17 May 2019 06:00
URI: http://raiith.iith.ac.in/id/eprint/5219
Publisher URL: http://doi.org/10.1109/NOMS.2018.8406241
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