LightCONTROL is a ECI’s Carrier-grade controller for wide area networks. It features a centralized integrated multilayer control plane for packet-optical networking and optimization, as follows: LightCONTROL provides centralized, unified multilayer operation for provisioning, restoration, and network optimization. The multilayer operation considers various cost functions, network limitations and impairments, operator policy guidelines, and more. The operation can automatically adapt to optimize resource utilization, based on one or more external information resources such as offline analytics, traffic forecast, maintenance activities, etc.
Target architectures for the multilayer processing include:
• ECI IP-Optical networks (Apollo and NPT)
• ECI IP-Optical networks that provide connectivity services to 3rd-party IP routers such as Juniper, Cisco, and others.
Real-time, programmable control logic
Programmability is a key feature of LightCONTROL. It opens the control plane for fast time-to-market new service introduction, innovation, and network customization according to a specific setup or scenario; for example, an operator load-balancing policy influencing route selection and load placement. LightCONTROL features transparent interoperability with non-SDN domains over standard protocols, thus enabling gradual migration of the existing infrastructure to SDN.
In most traditional distributed control environments, each layer has an independent control plane, which is not coordinated with the control of the other layers. This leads to a long provisioning cycle, inefficient use of resources, higher service deployment costs, lack of on-demand, application-driven connectivity (especially in the optical layer), and restricted optical flexibility that could have been used to increase service velocity, and reduce both CAPEX and OPEX.
Breaking the layer barriers
LightCONTROL, with its multilayer processing and support of standard interfaces, breaks through the layering walls, and addresses the drawbacks of traditional systems, in several ways:
• Better time-to-market and application-driven connectivity is achieved through support of standard interfaces for service creation via signaling or APIs. Process automation reduces OPEX and ensures error-free (human) operation.
• Present-day multilayer networks are controlled and managed independently. As a result, overprovisioning is used to deal with anomalies and failures. A holistic multilayer provisioning, restoration and optimization view ensures much more efficient use of resources, while improving CAPEX utilization. For example, an integrated restoration approach requires less spares at each layer.
• The ability to share optical resources dynamically between services, based on indications such as congestion and load level in the data layer or signaling, allows the optical network operator to offer new services and accommodate demands based on actual use, rather than on peak utilization.
• A centralized control plane ensures faster stabilization after failures, because there is no need for hold-off timers to regulate the recovery process in each layer and there is no crank back process.
|Packaging||Virtual Appliance/VM Image|
|Categories||Networking > Control & Management Software > SDN Controller and Network Virtualization Platforms|
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