灵活的开放式网络操作系统架构,利用分解式软件定义光网络实现更高的可扩展性

IF 1.3 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS
IET Networks Pub Date : 2023-12-06 DOI:10.1049/ntw2.12110
Kenneth Nsafoa-Yeboah, Eric Tutu Tchao, Benjamin Kommey, Andrew Selasi Agbemenu, Griffith Selorm Klogo, Nana Kwadwo Akrasi-Mensah
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引用次数: 0

摘要

光网络容量的增强是全球电信业的一个显著优势。光网络以较低的延迟提供远距离的信息传输。然而,网络拓扑结构日益复杂,对当代技术和5G网络的网络适应性、网络弹性、设备兼容性和服务质量提出了重大挑战。鉴于这些挑战,最近的研究利用软件定义网络(SDN)和网络服务编排器上下文中的分解作为可行的补救措施。分解光学系统提供SDON(软件定义光网络)增强的控制选项和第三方动态,简化升级并减少对单个供应商的依赖。尽管分解的进步提高了软件定义光网络(SDON)的网络灵活性和供应商中立性,但这种改进是以降低可扩展性和网络可控性性能为代价的。目前的研究论文为上述挑战提出了两种可能的解决方案。作者提出了建议和一个增强的架构,利用开放网络操作系统(ONOS)容器和Kubernetes编排来提高软件定义光网络(SDON)架构内部的可扩展性。建议的架构设计强调了新颖的流程图和算法,与现有的SDON架构相比,可扩展性性能提高了33%,同时保持了灵活性和可控性。该体系结构还利用Mininet - Optical物理层体系结构来模拟实时场景,以及来自开放分解传输网络(ODTN)工作组的yang模型,该工作组是sdn的先驱。对实施拟议架构所涉及的规则和程序过程的详细分析。为了演示该架构框架在现实世界软件定义光网络(SDON)系统中的实际应用,光传输域网络(OTDN)工作组对现有的SDON ONOS架构进行了调整和完善。本文旨在说明ONOS与已建立的光网络系统的结合使用,突出其提供的优势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Flexible open network operating system architecture for implementing higher scalability using disaggregated software-defined optical networking

Flexible open network operating system architecture for implementing higher scalability using disaggregated software-defined optical networking

The enhanced capacity of optical networks is a significant advantage within the global telecommunications industry. Optical networks provides transmission of information over large distances with reduced latency. However, the growing intricacy of network topologies poses a significant challenge to network adaptability, network resilience, device compatibility, and service quality in the contemporary era of technology and 5G networks. In light of these challenges, recent studies leverages on disaggregation in the context of Software Defined Network (SDN) and network service orchestrators as a viable remedy. Disaggregated optical systems offer SDON (Software-Defined Optical Networking) enhanced control options and third-party dynamism streamlining upgrades and diminishing single vendor dependency. Although, the advancement of disaggregation improves network flexibility and vendor neutrality of Software Defined Optical Networking (SDON), this improvement comes at the cost of reduced scalability and network controllability performance. The current research paper posits two potential resolutions to the aforementioned challenge. The authors present recommendations and an enhanced architecture that leverages Open Network Operating System (ONOS) containers and Kubernetes orchestration to improve scalability inside the Software-Defined Optical Networking (SDON) architecture. The suggested architectural design has underlining novel flow charts and algorithms that enhances scalability performance by 33% while also preserving flexibility and controllability in comparison to pre-existing SDON architectures. This architecture also makes use of the Mininet-Optical physical-layer architecture to simulate a real-time scenario, as well as yang models from the Open Disaggregated Transport Network (ODTN) working group, the pioneers of SDONs. A detailed analysis of the rules and procedural processes involved in the implementation of the proposed architecture. In order to demonstrate the practical application of this architectural framework to a real-world Software-Defined Optical Network (SDON) system, the pre-existing SDON ONOS architecture within the Optical Transport Domain Networking (OTDN) working group was adjusted and refined. This adaptation aimed to illustrate the use of ONOS in conjunction with established optical network systems, highlighting the advantages it offers.

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来源期刊
IET Networks
IET Networks COMPUTER SCIENCE, INFORMATION SYSTEMS-
CiteScore
5.00
自引率
0.00%
发文量
41
审稿时长
33 weeks
期刊介绍: IET Networks covers the fundamental developments and advancing methodologies to achieve higher performance, optimized and dependable future networks. IET Networks is particularly interested in new ideas and superior solutions to the known and arising technological development bottlenecks at all levels of networking such as topologies, protocols, routing, relaying and resource-allocation for more efficient and more reliable provision of network services. Topics include, but are not limited to: Network Architecture, Design and Planning, Network Protocol, Software, Analysis, Simulation and Experiment, Network Technologies, Applications and Services, Network Security, Operation and Management.
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