Scalable On-Demand Network Management Module for Software Defined Telecommunication Networks

Julius Mueller, Andreas Wierz, T. Magedanz
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引用次数: 16

Abstract

The design of telecommunication networks and its provisioning is a challenging and complex task, which is constantly influenced by various factors. The disciplines of Traffic Engineering (TE) and Network Management (NM) have addressed these domains with static, semi-automatic and pure self-organizational approaches. Most of the existing approaches usually either relax the problem by taking strong assumptions on the problem instances or by only taking a small portion of the solution space into consideration, thus losing the chance of proving any global optimality gaps. The emerging cloud hosted flexible telecommunication system addressed by the industry nowadays puts new requirements on TE and ND. Current, telecommunication networks are often statically deployed and over-provisioned to cover pre-defined peak data rates, but are inflexible to adapt to dynamic network load situations. This paper presents novel dynamic Traffic Engineering (TE) and adaptive Network Management (NM) approaches for software defined telecommunication networks, which reduce Operational - and Capital Expenditures (OPEX/CAPEX), but also enhance the level of flexibility and elasticity at the same time.
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软件定义电信网络的可扩展按需网络管理模块
电信网络的设计和配置是一项具有挑战性和复杂性的任务,它不断受到各种因素的影响。流量工程(TE)和网络管理(NM)学科已经用静态、半自动和纯自组织的方法解决了这些领域。大多数现有方法通常要么通过对问题实例进行强假设来放松问题,要么只考虑一小部分解空间,从而失去证明任何全局最优性间隙的机会。目前业界所关注的新兴的云托管灵活通信系统对TE和ND提出了新的要求。目前,电信网络通常是静态部署和过度配置,以覆盖预定义的峰值数据速率,但不能灵活地适应动态网络负载情况。本文提出了新的动态流量工程(TE)和自适应网络管理(NM)方法,用于软件定义的电信网络,减少了运营和资本支出(OPEX/CAPEX),同时也提高了灵活性和弹性水平。
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