Jean Tourrilhes's research while affiliated with FX Palo Alto Laboratory and other places

... available bandwidth is low) [20]. Recently, Voyager [21] has been introduced to improve accuracy. Using a decreasing-chirp-train method, it plots the best performance among all PRM methods. ...

... For instance, TSO/GSO [21] allows the network stack to submit large packets directly to the hardware which is in charge of splitting them into smaller appropriate-sized packets. Furthermore, Interrupt Coalescing [22] allows to hold back send events either until a certain amount of work is pending, or a timeout timer triggers. This technique reduces interrupt overhead, while incurring latency penalties. ...

... A novel implementation of Multi-Path Transmission Control Protocol (MPTCP) specifically tailored for SD-WAN environments, referred to as WAN-aware MPTCP, has recently been presented [11]. This implementation aims to optimize the utilization of multiple, heterogeneous WAN transports through aggregation, while also providing fast failure recovery for applications. ...

... Scalability: Software-based IDSes incur high computational costs and often do not scale well (unlike specialized hardware appliances) to handle high traffic rates cost-effectively [165]. Ineffective design of software components can make this problem even worse [88]. Therefore, signature-based IDSes running software platforms are mostly used by relatively smaller enterprises with low traffic rates. ...

... In [25], the authors present the solution for providing end-to-end QoS. They implement a QoS controller, which routes the traffic flows and allocates appropriate resources along the traffic path according to the required level of performance and guarantees needed for different applications. ...

... Recent advances in network management allow for dynamic resource reconfigurations in response to a variety of events concerning network utilization, security, and changing user demand. This capability poses strict requirements on traffic monitoring, which cannot be satisfied by existing techniques such as SNMP, packet sampling tools [2], or OpenFlow counters [3] [4], given their coarse report granularity and frequency. ...

... In refs. [61,62], link state optimization was adopted to overcome the aforementioned issues. If the shortest path is loaded, the data are shifted to the router with fewer packet forwarding requests under the supervision of the SDN controller. ...

... Esto como método de respuesta a las continuas dificultades que han tenido las OTT (over the top de libre transmisión), alto tráfico de datos, el internet de las cosas y los servicios en la nube que están acabando a las redes tradicionales por su continuo crecimiento y demanda de infraestructura, reflejando la pobre arquitectura que brindan las redes tradicionales [15]. Las redes definidas por software (SDN) se componen por tres capas: plano de datos, plano de control y plano de aplicación, estas tres capas permiten la automatización de la red y una mejor administración de los recursos que se integren dentro de su arquitectura, centralizando su administración, automatizándola y garantizando su escalabilidad [16], situación que no se presentan en las redes tradicionales que, por su diseño, no es escalable ni rentable. Por medio de esta arquitectura se permite desagregar los planos de control y datos de los dispositivos de red como switches y routers [17]. ...

... Attempts to integrate SDN with multipath video streaming (Section 4.3) promise effectiveness for path-aware strategies due to its ability to programmatically define the end-to-end network behavior. While OpenFlow is considered the mostly accepted interface between control and data planes (Kreutz et al., 2015), alternative means for southbound interaction of controllers and datapath devices (e.g., P4 programmable data planes), including SDN protocol extensions relevant for wireless communications (e.g., Yan et al. (2015), Lee et al. (2014)) deserve further research efforts. SDN and NFV as enabling technologies of multi-domain network service orchestration (de Sousa et al., 2019) will certainly keep attracting research attention and will play a critical role in the realization of multipath strategies for video streaming and other types of services. ...