Demonstration of Software-Defined Packet-Optical Network Emulation with Mininet-Optical and ONOS

Lantz, Bob; Diaz-Montiel, Alan A.; Yu, Jiakai; Rios, Christian; Ruffini, Marco; Kilper, Dan

doi:10.1364/ofc.2020.m3z.9

Cited by 17 publications

(11 citation statements)

References 6 publications

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“…There are specific challenges that sprout with the implementation of orchestration for SDNs. From the reviews under [132], in terms of optical network flexibility, most researchers adapted to using a reconfigurable optical add/drop multiplexer (ROADM) [133] as an essential component where SDN functionality can be deployed into the optical network environment [134]. It could also be inferred that the ROADM component [135] being vendor -neutral allows for a wide variety and accommodates a wide range of proposed algorithms [136], which can be used.…”

Section: Security and Reliabilitymentioning

confidence: 99%

“…• Adapting to advance learning techniques: Since the optical network is associated with the physical layer, on some occasions, some network specifications like the "baud rate" as well as "modulation formats affect the transmission line quality. This means that it is crucial that SDON adapts to some network modelling algorithms to be able to predict the transmission quality [164]. A few of the researchers in the review suggested Dijkstra algorithm and some machine learning techniques.…”

Section: Recommendations and Future Research Directionsmentioning

confidence: 99%

See 1 more Smart Citation

Software-Defined Networks for Optical Networks using Flexible Orchestration : Advances, Challenges and Opportunities

Nsafoa-Yeboah¹,

Tchao²,

Yeboah-Akowuah³

et al. 2022

Preprint

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Optical networks offer a wide range of benefits to the telecommunication sector world- wide with its provision of higher bandwidth which leads to faster data speed, longer transmission distance, and improved latency. Currently, the complexity associated with advancements in optical networks poses problems to network flexibility, reliability, and quality of service. Over the years, many reviews and proposals have been implemented by several literatures to provide solutions for optical networks using software-defined networks and network service orchestrators. This paper reviews the significant challenges in current optical network applications, the various solutions rendered by software-defined networks as well as network service orchestration, the impediments, and gaps in these software – defined networks. This paper will go a step further to look into the various improvements and implementations of software-defined networks tailored to solve specific optical network problems. This paper further proposes a flexible orchestration architecture for software-defined networks for solving flexibility and scalability problems in optical networks. This proposal uses Open Network System (ONOS) SDN controller, leveraging on dockerisation as well as kubernetes clusterisation and orchestration. This solution presents a more flexible, reliable, customable, and higher quality of service which is an improvement upon current solutions in literature.

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Section: Security and Reliabilitymentioning

confidence: 99%

Section: Recommendations and Future Research Directionsmentioning

confidence: 99%

Software-Defined Networks for Optical Networks using Flexible Orchestration : Advances, Challenges and Opportunities

Nsafoa-Yeboah¹,

Tchao²,

Yeboah-Akowuah³

et al. 2022

Preprint

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“…Finally, it is also worthwhile mentioning comparable initiatives to our proposal such as the software-defined packet-optical network emulator [34], which is based on an optical extension of the popular packed-oriented network emulator Mininet [35]. Relevantly, ref.…”

Section: State Of the Artmentioning

confidence: 99%

“…Relevantly, ref. [34] proposes a software suite capable of emulating optical-layer QoT performances such as OSNR, gOSNR and BER, and report its impact to the SDN controller. This emulation is based on augmenting packet in traditional Mininet instances with wavelength/channel information, which is used in modified instances of Open vSwitch.…”

Section: State Of the Artmentioning

confidence: 99%

Emulating Software-Defined Disaggregated Optical Networks in a Containerized Framework

et al. 2021

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Telecom operators’ infrastructure is undergoing high pressure to keep the pace with the traffic demand generated by the societal need of remote communications, bandwidth-hungry applications, and the fulfilment of 5G requirements. Software-defined networking (SDN) entered in scene decoupling the data-plane forwarding actions from the control-plane decisions, hence boosting network programmability and innovation. Optical networks are also capitalizing on SDN benefits jointly with a disaggregation trend that holds the promise of overcoming traditional vendor-locked island limitations. In this work, we present our framework for disaggregated optical networks that leverages on SDN and container-based management for a realistic emulation of deployment scenarios. Our proposal relies on Kubernetes for the containers’ control and management, while employing the NETCONF protocol for the interaction with the light-weight software entities, i.e., agents, which govern the emulated optical devices. Remarkably, our agents’ structure relies on components that offer high versatility for accommodating the wide variety of components and systems in the optical domain. We showcase our proposal with the emulation of an 18-node European topology employing Cassini-compliant optical models, i.e., a state-of-the-art optical transponder proposed in the Telecom Infrastructure Project. The combination of our versatile framework based on containerized entities, the automatic creation of agents and the optical-layer characteristics represents a novel approach suitable for operationally complex carrier-grade transport infrastructure with SDN-based disaggregated optical systems.

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“…A significant advantage of extending SDN to photonic networks is the combined dynamic service provisioning and optimization by the SDN controller because of its global knowledge of several network layers. A recent work [9] provides an SDN-controlled platform to simulate end-to-end integrated data plane of packet and optical network. The physical behaviour of a WDM network is simulated using analytical models and an optical data plane is emulated as data packets with additional information about wavelength.…”

Section: Introductionmentioning

confidence: 99%

Dynamic LightPath Allocation in WDM Networks Using an SDN Controller

Qureshi

Braun

2021

IEEE Access

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Core wavelength division multiplexed (WDM) networks are widely used to provide fixed physical connectivity and bandwidth to the logically connected upper electronic layer devices using optical signals. However, growing demands for bandwidth-intensive applications and cloud-based services push optical networks carriers' to provide scalable and flexible services dynamically. Software defined networking (SDN) has the potential to program electronic layers by dynamically controlling and managing network resources using SDN controller applications. SDN's on-demand characteristics combined with the optical circuit-switching can enable optical network service providers to customize their service provisioning dynamically to the user's requirements. They enable fast provision of new services, and minimize under-utilization of resources. In this paper, a model is proposed to bring the dynamic allocation of resources which is a layer 2+ functionality, to the WDM layer using SDN. A middle-ware application based on SDN and OpenFlow for dynamic switching and provisioning of optical service is presented. The application abstracts the optical layer's connectivity, also accounting for the switching constraints. Details of the model's implementation are discussed considering classically used equipment and its performance in terms of CPU and memory utilization, topology emulation time, and latency is evaluated. Finally, the application is tested with a Cisco layer one switch. Performance results show that the latency doubles when increasing the number of fibers of an optical cross connect from 5 to 7 and keeping wavelengths equal to 8, with Clos fabric topology.INDEX TERMS Wavelength division multiplexed network (WDM), Software Defined Networking (SDN), OpenFlow protocol, dynamic path allocation, optical cross connect (OXC).

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Demonstration of Software-Defined Packet-Optical Network Emulation with Mininet-Optical and ONOS

Abstract: We demonstrate practical software emulation of a software-defined, packetoptical network. Our emulator, Mininet-Optical, models the physical, data plane and control plane behavior, under control of the ONOS SDN controller.

Cited by 17 publications

References 6 publications

Software-Defined Networks for Optical Networks using Flexible Orchestration : Advances, Challenges and Opportunities

Software-Defined Networks for Optical Networks using Flexible Orchestration : Advances, Challenges and Opportunities

Emulating Software-Defined Disaggregated Optical Networks in a Containerized Framework

Dynamic LightPath Allocation in WDM Networks Using an SDN Controller

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