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A Closed-Loop Control Traffic Engineering System for the Dynamic Load Balancing of Inter-AS Traffic

Amin, M; Ho, K-H; Pavlou, G; Howarth, M; (2009) A Closed-Loop Control Traffic Engineering System for the Dynamic Load Balancing of Inter-AS Traffic. Journal of Network and Systems Management , 17 (4) pp. 343-370. 10.1007/s10922-009-9142-4. Green open access

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Abstract

Inter-AS outbound traffic engineering (TE) is a set of techniques for controlling inter-AS traffic exiting an autonomous system (AS) by assigning the traffic to the best egress points (i.e. routers or links) from which the traffic is forwarded to adjacent ASes towards the destinations. In practice, changing network conditions such as inter-AS traffic demand variation, link failures and inter-AS routing changes occur dynamically. These changes can make fixed outbound TE solutions inadequate and may subsequently cause inter-AS links to become congested. In order to overcome this problem, we propose the deployment of a closed-loop control traffic engineering system that makes outbound traffic robust to inter-AS link failures and adaptive to changing network conditions. The objective is to keep the inter-AS link utilization balanced under unexpected events while reducing service disruptions and reconfiguration overheads. Our evaluation results show that the proposed system can successfully achieve better load balancing with less service disruption and re-configuration overhead in comparison to alternative approaches.

Type: Article
Title: A Closed-Loop Control Traffic Engineering System for the Dynamic Load Balancing of Inter-AS Traffic
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/s10922-009-9142-4
Publisher version: http://dx.doi.org/10.1007/s10922-009-9142-4
Language: English
Additional information: This version is the author accepted manuscrip. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Science & Technology, Technology, Computer Science, Information Systems, Telecommunications, Computer Science, Traffic engineering, Load balancing, Inter-domain traffic, Closed-loop control system
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1435105
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