Arquitectura para la Mejora de la Calidad de Servicios Multimedia en Redes SDN
Authors/Creators
- 1. Group of Analysis, Security and Systems (GASS), Department of Software Engineering and Artificial Intelligence (DISIA), Faculty of Computer Science and Engineering, Office 431, Universidad Complutense de Madrid (UCM), Calle Profesor José García Santesmases 9, Ciudad Universitaria, 28040 Madrid, Spain;
Description
The quality of multimedia transmissions in software defined networking depends on the capability to monitor the actual state of the network. Quality of service evaluation usually represents a critical task, performed by multimedia transmission protocols at run time. However, the information provided by those protocols does not take part of the deployed actions to improve network conditions at lower levels of the infrastructure. This research proposes a new SDN architecture to improve the user quality of experience (QoE). The abovementioned architecture is composed by software elements that take advantage of the information provided by high level multimedia protocols in order to improve routing decisions through the use of algorithms executed in the SDN controller. The architecture also proposes the creation of a communication protocol that facilitates the information exchange between a host and the SDN controller. Furthermore, it proposes a set of software components in the application and control layers. Emulation tests performed in the experimentation phase show that user quality of experience is improved, regarding to the perceived multimedia service.