Tremendous growth of traffic in Vehicular Ad hoc NETworks (VANET) in recent days leads into enormous delay in data transfer. To overcome this, we use Software Defined Vehicular Networks (SDVN) as a promising solution with reliable multi-hop cooperative data dissemination (MHCDD) for data traffic forwarding in the network of end to end connectivity. In SDN based system, data forwarding in a road side unit is through cooperatively data dissemination. The intermittent connectivity in VANET dynamically changes because of the vehicular mobility, thereby causing SDN and RSU controller to link/connection failures. However, in multi-hop data traffic forwarding from source to destination node through RSU and SDN switches in which controllers control the data traffic for Virtual Network Customization (VNC). In this paper, we introduce Software defined-VANETs (SD-VANETs) to improve the network resource utilization by providing the network connectivity for dynamic network topology. Here, we analyze the network model using M/M/1 and M/M/m queueing models, which are proposed to effectively minimize the delay and enhance the throughput in multi-server queueing system of the SDVN. To achieve this, we propose a novel solution with enhancement of the SDVN system reliability in terms of service rate which is based on service level agreement.

近年来，车载Ad hoc NETworks（VANET）的通信量激增，导致数据传输的巨大延迟。为了克服这个问题，我们使用软件定义的车载网络（SDVN）作为具有可靠的多跳协作数据分发（MHCDD）的有前途的解决方案，用于端到端连接网络中的数据流量转发。在基于SDN的系统中，路侧单元中的数据转发是通过协作进行数据分发。VANET中的间歇性连接由于车辆的移动性而动态变化，从而导致SDN和RSU控制器链接/连接失败。但是，在多跳数据流量中，通过RSU和SDN交换机将数据从源节点转发到目标节点，其中控制器控制虚拟网络自定义（VNC）的数据流量。在本文中，我们介绍了软件定义的VANET（SD-VANET），通过为动态网络拓扑提供网络连接来提高网络资源的利用率。在这里，我们使用M / M / 1和M / M / m排队模型来分析网络模型，这是为了有效地减少SDVN的多服务器排队系统中的延迟并提高吞吐量。为了达到这个目的，我们提出了一种基于服务水平协议的，在服务速率方面增强了SDVN系统可靠性的新颖解决方案。