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Observing Software-defined Networks Using a Decentralized Link Monitoring Approach
RISE, Swedish ICT, SICS, Decisions, Networks and Analytics lab.ORCID iD: 0000-0002-5893-7774
2015 (English)Conference paper, Published paper (Refereed)
Abstract [en]

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.

Place, publisher, year, edition, pages
2015, 10.
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-24502OAI: oai:DiVA.org:ri-24502DiVA, id: diva2:1043586
Conference
IEEE NetSoft 2015
Projects
UNIFY
Available from: 2016-10-31 Created: 2016-10-31 Last updated: 2018-01-13Bibliographically approved

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