The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Elastic optical networking (EON), with its flexible use of the optical spectrum, is a promising solution for future metro/core optical networking. For the deployment of EON in a real-operational scenario, the dynamic lightpath restoration, driven by an intelligent control plane, is a necessary network function. Dynamic restoration can restore network services automatically and, thus, greatly reduce...
We present OpenFlow-enabled dynamic restoration in elastic optical networks, detailing the restoration framework and algorithm, failure isolation mechanism, OpenFlow protocol extensions, and quantitatively presenting the restoration performance via the experimental validation on the Global Environment for Network Innovations (GENI) testbed.
We present the virtualization of multi-domain optical networks considered in the STRAUSS project. Novel resource allocation algorithms for virtual network embedding on Elastic Optical Networks (EON) are proposed. The devised algorithms focus on maximizing the link utilization and reducing the Virtual EONs (VEON) blocking rate. The algorithms have been evaluated in terms of three figures of merit,...
We present a Virtual Optical Network Resource Broker (VON RB) for elastic optical networks. The VON RB is responsible for managing the virtual elastic optical resources, and virtual GMPLS control resources (controllers, IP control channels), and for dynamically deploying virtual GMPLS-controlled elastic optical networks over a shared physical network infrastructure, through a virtual network topology...
In this paper we focus on 1+1 dedicated protection in multi-layer network formed by Connection-Oriented (CO) Ethernet over Wavelength Switched Optical Networks (WSON) under the framework of a GMPLS control plane. We propose a dynamic path computation algorithm that is used for computing both the working and protecting paths, ensuring the Shared Risk Link Group (SRLG) disjointness at both layers. The...
We present several dynamic wavelength allocation algorithms for automatic deployment of Virtual Optical Network (VON) through the usage of a Resource Broker which dynamically configures and deploys independent instances of virtual GMPLS-controlled WSONs. The proposed VON Resource Broker consists of four building blocks: Resource Manager, VON Controller, Resource Allocator and Resource Configurator...
A validation of the GMPLS unified control plane deployed within the ADRENALINE testbed for dynamic provisioning in multi-layer networks is presented. We experimentally compare two on-line path computation mechanisms aiming at exploiting the grooming functions.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.