Route diversity: A future for transmission protocols?

This contribution is attempting to show how a route diversity can improve the traffic behavior of a connection between two network entities. The most used transmission protocols TCP and UDP control the quasi-totality of the Internet traffic. However they are not capable to carry out all the traffic generated by the Internet as they lead to congestion and packet loss out of the quality of service required specially for critical connections that need to be treat with a higher priority. In this paper, we focus on multipath routing and multipath transport protocols that seem to be a relevant solution to avoid the drawbacks generated by the use of a single path by each connection packet. Pushing connection packets on multiple paths during all the data transaction should bring a better QoS. We mention a new protocol design for the next generation Internet. This protocol has been developed in order to avoid or reduce the congestions appearance and the high variability of the Internet traffic. We suggest a TCP protocol based on Multiple Paths MPTCP for a data transmission between two network entities in a well-defined environment. A simulator has been developed in order to evaluate the gain provided by the route diversity.