Observing Software-defined Networks Using a Decentralized Link Monitoring Approach

Steinert, Rebecca and Hess, Andrea (2015) Observing Software-defined Networks Using a Decentralized Link Monitoring Approach. In: IEEE NetSoft 2015.

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Scalable and automated monitoring processes for testing, debugging, and operation of VNFs and service-chains are crucial components towards achieving the aims of network softwarization - i.e., cheaper, faster, and shorter service deployment and network management processes. In this paper we present a decentralized monitoring approach aimed at supporting automated deployment and operation of VNFs and service-chains. The approach is inspired by network tomography and is designed to address observability limitations and scalability issues that arise from performing measurements from an SDN controller. From successive end-to-end measurements link metrics are derived via in-network parameter estimation with no need of forwarding raw measurements to the controller, which significantly reduces the measurement overhead compared to when monitoring individual links explicitly from an SDN controller.

Item Type:Conference or Workshop Item (Poster)
ID Code:5958
Deposited By:Rebecca Steinert
Deposited On:21 Jan 2016 16:11
Last Modified:21 Jan 2016 16:11

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