Virtual SDN/NFV lab
SDN & NFV Virtual Lab creates the environment for the realisation/testing of different types of experiments (ICT network parameters and network functions). Students can remotely access the virtual lab and perform the selected experiments.
The basis of the SDN and NFV laboratory is a cloud created by the bare-metal servers, hypervisor and the OpenStack cloud platform. The interconnection of individual servers is accomplished via VLAN-enabled Ethernet switches, allowing the creation of three separate networks (management network, instance network and storage network). In addition to these cloud networks, software-defined networks will be created as needed, using virtually open vSwitch switches implemented through the virtualization platform. The connection to external networks is made using a router.
Hardware platform of SDN & NFV Virtual Lab
Software platform of SDN & NFV Virtual Lab
For the implementation of the SDN & NFV Virtual Lab cloud platform, an OpenStack software platform for cloud computing released under the terms of the Apache License has been used. OpenStack has a modular architecture with various code names for its components.
Exercises that can be performed in NFV Virtual lab:
The student enters the web page with offered laboratory and selects NFV setup of the Virtual Lab and the exercise that he wants to perform. Virtual lab will automatically boot up virtual servers with OpenNFV and download preconfigured NFVs and prepare either the laboratory for remote access or the OpenNFV management portal. The student can access OpenNFV portal (with own credentials) and, using WEB UI, he can configure requested parameters by visualization of virtual platform or he can setup and configure NFVs. To validate that the student correctly configured the Virtual platform, he should use a service provided by platform (e.g. video call via virtual IMS).
Exercises that can be performed in SDN Virtual lab:
The student enters the web page with the portfolio of laboratory exercises and selects SDN setup of Virtual Lab. Then he/she selects the exercise that he/she wants to perform. The Virtual lab will automatically boot up virtual switches and SDN controller and download preconfigured network configuration. In this way, the virtual laboratory with the pre-defined virtual network is automatically prepared and the student can remotely access to SDN management portal. The student can access (with own credentials) the controller portal or virtual switch/router. To validate that the student correctly configure Virtual Network he should use a service provided by server to client to track route and instruction and signalling from controller towards SDN nodes (Virtual Switches).
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