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Recommendation-Based Bandwidth Calendaring for Packet Transport Network
Shohei KAMAMURA Rie HAYASHI Hiroki DATE Hiroshi YAMAMOTO Takashi MIYAMURA Yoshihiko UEMATSU Kouichi GENDA
IEICE TRANSACTIONS on Communications
Publication Date: 2017/01/01
Online ISSN: 1745-1345
Type of Manuscript: PAPER
bandwidth calendaring, packet transport network, recommendation, resource allocation, SDN controller,
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This paper proposes a recommendation-based bandwidth calendaring system for packet transport networks. The system provides a user-portal interface with which users can directly reserve packet transport resources. In this regard, the system recommends multi-grade (e.g., multi-price) reservation plans. By adjusting grades of plans in accordance with network resource utilization, this system provides not only reservation flexibility for users but also efficient utilization of network resources. For recommending multi-grade plans, pre-computation of resource allocation is required for every time slot. Because the number of time slots is huge, we also propose an algorithm for fast computation of resource allocation based on time-slot aggregation. Our evaluation suggests that our algorithm can produce a sub-optimal solution within quasi-real time for a large-scale network. We also show that our recommendation-based system can increase the service-provider-revenue in peaky traffic demand environments.